மாணவர்களே வினாக்கள் வீடியோ வடிவில் உங்களுக்காக கிளிக் செய்யுங்கள் லிங்கை


மாணவர்களே வினாக்கள் வீடியோ வடிவில் உங்களுக்காக கிளிக் செய்யுங்கள் லிங்கை
https://www.youtube.com/channel/UCCOIjd040pOgkuuMWwlGSyA/featured

F/R S-3

FITTER THEORY SEM III JULY 2015
JULY 2015 SEM III FITTER
Plug gauge are used to.........
A   measure the diameter of the workpiece                    B   measure the diameter of holes in the workpiece
C   check the diameter of the holes in the workpiece     D  check the length of the holes in work piece

The taper of internal dovetail can be measured with the help of...........
A  combination set    B   balls of standard dimensions and slip gauges
C  sine bar                D  clino meter

A sine bar is specified by.........
A  its total length                                                  B  the distance between rollers & upper surface
C  the centre distance between the tv rollers          D  its total length

A feeler gauge is used to check
A radius  B  screw pitch   C  surface roughness   D  thickness of clearness

The mean diameter between the largest diameter and the smallest diameter of a screw thread is called........
A  major diameter  B  pitch diameter  C  minor diameter  D  imaginary diameter

The crest parts of which type of thread is half round...............
A  square thread   B  knuckle thread    C  acme thread     D  buttress thread

Tempering is the process of removing the property of..........
A brittleness   B malleability    C toughness   D ductility

The main purpose of annealing is
A  to increase hardness                        B  to increase the toughness
C  to improve the machinability           D  to remove distortion

The standard range of sizes covered in the B.I.S system of limits and fits are........
A 0 to 10 mm   B  0 to 100 mm   C  25 to 400 mm D  0 to 500 mm

Washer are generally specified by
A thickness   B outer diameter   C centre hole diameter   D mean diameter

The function of a washer is......
A  to fill the axial gap                           B  to provide cushioning effect
C  to absorb shocks and vibrations         D  to provide bearing area

Buttress threads are most commonly used for............
A   positioning of mechanical parts
B   transmission of motion
C   resisting force exerted in one direction only
D   special bolts and nuts in structural work

V threads are used.......................
A power press   B screw jack   C general purpose  D railway coupling

Half round scraper is used for............
A  scraping small scraper diameter holes and for deburring of holes
B  scraping large flat surfaces
C  scraping bearing surfaces which are neither too big or too small
D  scraping large diameter holes

Name the type of spring used in cycle stand.
A  tension spring    B  torsion spring    C compression spring    D  wire spring

In a plain bush bearing to prevent the rotation of bush in the housing, it should be fitted by means of..............
A soldering  B brazing   C welding   D  key or screw

Which spring used for absorbs energy by means of bending?
A conical disc spring    B  helical compressive
C  leaf spring                D  helical tension spring


The portion of the shaft carried in the bearing is often referred to as.....................
A cage    B thrust    C journal   D race

Hook scrapers are used for scraping
A   curved surface    B   centre position of large flat surfaces
C   hollow surface    D bendsuiface

The difference between the maximum limit of size and the minimum limit of size is called........
A   upper deviation   B   lower deviation   C tolerance  D  actual size

The process of embedding the abrasive
grains on lapping is called.......
A rubbing   B charging  C fixing  D lapping

The abrasive used for boning of non-ferrous metal Is.........
A  boron carbide    B diamond
C  silicon carbide   D  aluminium oxide

Which type of spring used in writing pad clips?
A wire   B tension   C compression   D torsion

The main purpose of using a lubricant in machine tools is to..............
A  minimize the friction between the mating parts
B wet the mating parts for close contact
C prevent the machine tool from heating
D  to cool down the mating parts


Set of 47 pieces slip gauge 1st series no. of pieces........
A 1       B 4        C 9       D 24

A thumb screw designated A m6 x 12 IS: 3726-4.6 what is 4.6?
A Characteristic     B  Property class       C Size     D Length

In which heat treatment process the internal structure is unchanged?
A Annealing                     B Hardening
C  Case hardening            D Normalizing

An angle slip gauge standard set the number of pieces in the second series is......
A3  B 4  C 5  D 6


Thread pitch blades are made of
A  thin spring steel sheets              B  thin spring brass sheets
C  thin spring copper sheets           D  thin spring aluminium sheets

IS specification of plain washer is
A   IS 5371  B IS'2016 C IS 8068 D IS 5372

Standard wire gauge no. 32 is equal to in mm.......
A 0.25   B 0.27  C 0.29   D 0.31

A standard wire gauge (SWG)25 is equal to............
A 0.61 mm   B 0.56 mm   C 0.51 mm  D  0.46 mm

After hardening process the metal becomes more......
A brittle    B ductile   C malleable    D tough

Which one of the following equipments is used in the shop floor for the checking of the form that is being turned?
A Template                                               B  Master gauge
C  Dial test indicator and slip gauges        D  Tool room microscope

Abbreviation of ISO metric thread is
A  Indian system organisation                 B  International system organisation
C  International standard organisation    D  Indian standard organisation

Riffler files are used for
A keyway   B slot  C engraving  D  barret and marking

Name the threads used as general purpose fasteners.
A Acme thread   B Buttress thread  C V thread  D Knuckle thread

Which key has a rectangular cross - section and it fits into the keyway cut on both the shaft and the hub?
A Hollow saddle key  B Feather key  C Wood ruff key  D Sunk key

SEM III FITTER JAN 2016

The main purpose of annealing is
A to increase the hardness
B  to increase the toughness
C  to improve the machinability
D  to remove the distortion

The important dimensions of a taper are.......
A the large diameter and the length of the taper
B the large diameter, the smaller diameter and the length of the taper
C  one diameter and the length of the taper
D  large diameter and the smaller diameter of the taper

File grades are determined by the
A distance from the tip of the heel
B  spacing of the teeth
C  cut of the file
D shape of the file

Three jaw chuck is also known as
A  self centering chuck
B  self chuck
C  automatic chuck
D  union chuck

Which type of thread is used in precision instrument?
A  BSW thread
B  Acme thread
C  Square thread
D  BA thread

Irregular shaped work piece are clamped on the lathe in.........
A face plate
B  four jaw chuck
C collet chuck .
D mandrel

The first aid boxes should be properly equipped and kept in..............
A important places
B  machining area
C easy access place
D  right position

What is used to test an external taper?
A Taper plug gauge
B  Taper ring gauge
C  Slip gauge
D  Thread gauge

The hardest cutting tool material is
A high speed steel
B  cemented carbide
C diamond
D stellite


The form of threads are used in the places where the sliding forces act in one direction, is........
A vee thread
B   square thread
C  trapezoidal thread
D  saw tooth thread

What is used to measure the gap?
A Tapper plug gauge
B  Slip gauge
C  Taper ring gauge
D  Thread gauge

Steady rest is..............
A  an additional support provided for long jobs
B  used while turning un symmetrical objects
C  used during thread cutting only
D  used when a lathe is subjected to vibrations

In which operation on a workpiece on lathe, the spindle speed will be least?
A Parting off
B  Thread cutting
C Finishing
D  Taper turning

The power is transmitted by lead screw to the carriage through...........
A  gear system
B  pulley drive
C   rack and pinion arrangement
D   half nut

The largest diameter of a screw thread is known as................
A  minor diameter
B  normal diameter
C  major diameter
D  pitch diameter

The work having finished hole, is mounted on...........
A   face plate
B  collet chuck
C mandrel
D   four jaw chuck

Slip gauge designated with 'Grade I is used for.......
A workshop
B inspection
C calibration
D reference

How many grades of slip gauges recommended by BIS - IS: 2984?
2
345

The basic function of cutting fluids are.....
A  cleaning and lubrication
B  facilitating chip removal and lubrication
C  cools the tool and the workpiece
D  cooling and flushing chips away from the
cutting area

Which one of the following methods of thread catching is used to cut metric threads on a British lathe?
A  Using a chasing dial
B  By reversing the machine
C  By making the predetermined travel of the
carriage on the bed
D  Marking reference lines on the head stock as
well as on the lead screw

What must be done to prevent the chuck from damaging the lathe guide ways, while mounting?
A  Lift the chuck with a hand crane
B  Ask the instructor for help
C  Place a wooden block or board on guide- ways
D   Support with a screw jack

Benefits of the 5S systems are
A  increase the cleanliness
B   increase the productivity
C  decrease the production rate
D  maintain the production rate

In which gauge GO and NOGO comes in the same end?
A Double ended plug gauge
B Snap gauge
C Progressive gauge
D Depth gauge

Sine bar is specified by............
A  its total length
B the centre distance between the two rollers
C  the size of the rollers
D  the distance between rollers and upper surface

The lathe part which is used to hold the drill is.......
A tool post
B tail stock
C head stock
D spindle

Sine bar is made out of....
A  nickel steel
B  high speed steel
C  high carbon steel
D  stabilised chromium steel

The number of pieces in a standard set of angle slip gauge in the second series is....
3
456

Tempering is the process of removing the property of.
brittleness
malleability
toughness
ductility

Name the material commonly used for thicker walled bearing bushes carrying hardened steel shafts.
Phosphor bronze
Brass
Aluminium
Copper


Which type of bearing intended to carry radial loads?
A  Ball bearing
B   Thrust ball bearing
C  Roller bearing
D   Tapered roller - bearing

Which type of nut will have a nylon or fibre ring insert placed in the upper part of the nut?
A   Self locking nut
B  Wire lock
C  Sawn nut
D  Grooved nut

The purpose of grooves given on the plate is for.............
A reducing friction
B  retaining lapping paste
C  collecting the metal chips
D  preventing distortion of the plate

Which type of nut prevents the rotation of the top nut?
A Sawn nut
B Grooved nut
C Self - locking nut
D Lock nut

The abrasive used for honing of non - ferrous metal is.........
A boron carbide
B diamond
C silicon carbide
D aluminium oxide

In the number drill series, the number 80 drill size is............
A 0.1035"
B 0.0135"
C 0.228"
D 0.258"

While normalizing, the component should be cooled..........
A  by dipping in water
B  in still air to room temperature
C   by forced air
D  by quenching in oil

In the letter drill series, the size of the drill 'A is equal to............
A 0.413"
B 0.431"
C 0.264"
D 0.234"

The form tool method of turning taper is suitable for...........
A   lengthy jobs with slow tapers
B   any length of work
C  very short at any angle
D  short and slow angle .

A tool which is used to enlarge a drilled hole is called..........
A  poring tool
B  facing tool
C  form tool
D  ring hand turning tool


The number of threads per inch can be checked with a...........
A tool gauge
B metric rule
C ring gauge
D screw pitch gauge

SEM III FITTER JAN 2016

The main purpose of annealing is
A to increase the hardness
B  to increase the toughness
C  to improve the machinability
D  to remove the distortion

The important dimensions of a taper are.......
A the large diameter and the length of the taper
B the large diameter, the smaller diameter and the length of the taper
C  one diameter and the length of the taper
D  large diameter and the smaller diameter of the taper

File grades are determined by the
A distance from the tip of the heel
B  spacing of the teeth
C  cut of the file
D shape of the file

Three jaw chuck is also known as
A  self centering chuck
B  self chuck
C  automatic chuck
D  union chuck

Which type of thread is used in precision instrument?
A  BSW thread
B  Acme thread
C  Square thread
D  BA thread

Irregular shaped work piece are clamped on the lathe in.........
A face plate
B  four jaw chuck
C collet chuck .
D mandrel

The first aid boxes should be properly equipped and kept in..............
A important places
B  machining area
C easy access place
D  right position

What is used to test an external taper?
A Taper plug gauge
B  Taper ring gauge
C  Slip gauge
D  Thread gauge

The hardest cutting tool material is
A high speed steel
B  cemented carbide
C diamond
D stellite


The form of threads are used in the places where the sliding forces act in one direction, is........
A vee thread
B   square thread
C  trapezoidal thread
D  saw tooth thread

What is used to measure the gap?
A Tapper plug gauge
B  Slip gauge
C  Taper ring gauge
D  Thread gauge

Steady rest is..............
A  an additional support provided for long jobs
B  used while turning un symmetrical objects
C  used during thread cutting only
D  used when a lathe is subjected to vibrations

In which operation on a workpiece on lathe, the spindle speed will be least?
A Parting off
B  Thread cutting
C Finishing
D  Taper turning

The power is transmitted by lead screw to the carriage through...........
A  gear system
B  pulley drive
C   rack and pinion arrangement
D   half nut

The largest diameter of a screw thread is known as................
A  minor diameter
B  normal diameter
C  major diameter
D  pitch diameter

The work having finished hole, is mounted on...........
A   face plate
B  collet chuck
C mandrel
D   four jaw chuck

Slip gauge designated with 'Grade I is used for.......
A workshop
B inspection
C calibration
D reference

How many grades of slip gauges recommended by BIS - IS: 2984?
2
345

The basic function of cutting fluids are.....
A  cleaning and lubrication
B  facilitating chip removal and lubrication
C  cools the tool and the workpiece
D  cooling and flushing chips away from the
cutting area

Which one of the following methods of thread catching is used to cut metric threads on a British lathe?
A  Using a chasing dial
B  By reversing the machine
C  By making the predetermined travel of the
carriage on the bed
D  Marking reference lines on the head stock as
well as on the lead screw

What must be done to prevent the chuck from damaging the lathe guide ways, while mounting?
A  Lift the chuck with a hand crane
B  Ask the instructor for help
C  Place a wooden block or board on guide- ways
D   Support with a screw jack

Benefits of the 5S systems are
A  increase the cleanliness
B   increase the productivity
C  decrease the production rate
D  maintain the production rate

In which gauge GO and NOGO comes in the same end?
A Double ended plug gauge
B Snap gauge
C Progressive gauge
D Depth gauge

Sine bar is specified by............
A  its total length
B the centre distance between the two rollers
C  the size of the rollers
D  the distance between rollers and upper surface

The lathe part which is used to hold the drill is.......
A tool post
B tail stock
C head stock
D spindle

Sine bar is made out of....
A  nickel steel
B  high speed steel
C  high carbon steel
D  stabilised chromium steel

The number of pieces in a standard set of angle slip gauge in the second series is....
3
456

Tempering is the process of removing the property of.
brittleness
malleability
toughness
ductility

Name the material commonly used for thicker walled bearing bushes carrying hardened steel shafts.
Phosphor bronze
Brass
Aluminium
Copper


Which type of bearing intended to carry radial loads?
A  Ball bearing
B   Thrust ball bearing
C  Roller bearing
D   Tapered roller - bearing

Which type of nut will have a nylon or fibre ring insert placed in the upper part of the nut?
A   Self locking nut
B  Wire lock
C  Sawn nut
D  Grooved nut

The purpose of grooves given on the plate is for.............
A reducing friction
B  retaining lapping paste
C  collecting the metal chips
D  preventing distortion of the plate

Which type of nut prevents the rotation of the top nut?
A Sawn nut
B Grooved nut
C Self - locking nut
D Lock nut

The abrasive used for honing of non - ferrous metal is.........
A boron carbide
B diamond
C silicon carbide
D aluminium oxide

In the number drill series, the number 80 drill size is............
A 0.1035"
B 0.0135"
C 0.228"
D 0.258"

While normalizing, the component should be cooled..........
A  by dipping in water
B  in still air to room temperature
C   by forced air
D  by quenching in oil

In the letter drill series, the size of the drill 'A is equal to............
A 0.413"
B 0.431"
C 0.264"
D 0.234"

The form tool method of turning taper is suitable for...........
A   lengthy jobs with slow tapers
B   any length of work
C  very short at any angle
D  short and slow angle .

A tool which is used to enlarge a drilled hole is called..........
A  poring tool
B  facing tool
C  form tool
D  ring hand turning tool


The number of threads per inch can be checked with a...........
A tool gauge
B metric rule
C ring gauge
D screw pitch gauge

Fitter theory sem 3 jan 2017 QUESTIONS

Which one is not part of centre lathe?
a. Saddle     b. Arber   c. Feed rod      d.  Lead screw

Lower Critical Temperature of High carbon Steel while hardening.................
a. 560 °C     b. 850 »c        c- 723 °C      d. 960 °C

The sliding surface of lathe bed are ...........
a. Flame hardened        b. Normalized     c. Case hardened       d. Tempered

Advantages of four Jaw Chuck are ................
a. Irregular work pieces can be held easily
b. It has more gripping power
c. Large diameter can be held by reversing jaw
d. All of these

The internal part of the shaft of bearing is called............
a. Journal    b. Outer Race    c.  Cage     d. Inner race

Bearing suitable for heavy radial load..............
a. Thrust bearing                     b. Ball Bearing
c. Self-Aligning ball Bearing d. Roller Bearing

Bearing assembled in two parts in special plumber block.........
a. Adjustable Slide Bearing  b.  Split Bearing
c. Solid Bearing  d. Self-Aligning Ball Bearing

Bearings are used for- shaft...............
a. To move shaft freely   b.  To guide shaft
c. To support shaft in a fixed position    d. All ot tnese

The material for Indenter of mechanical surface measuring machine...............
a. Cast Steel      b. Diamond   c. Carbide   d. Tool Steel

10. Which one of the following tool ang.e is provided to avoid rubbing of the body of the tool with me
work piece?
 a. Rate angle     b. Helix angle     c. Clearance angle     d. None of these

Pattern made by the movement of Cutting tool on the Work Surface is called.................
a. Roughness   b. Smoothness   c. Waviness   d. Surface Texture

Abrasive used for lapping of Gauges...........
a. Boron carbide     b. Silicon carbide     c. Aluminium Oxide    d. Diamond

The movement of Honing machine while honing is .......
a. Vertical     b. Reciprocating    c. Vertical and Reciprocating    d. Horizontal

In which metallic coating, chromium powder is used.................
a. Cladding     b. Sherardising    c. Calonsmg   d. Chromising

Hard abrasive for lapping is.................
a. Diamond     b. Boron carbide   c. Silicon Carbide    d. Aluminium Oxide

Which one of the following governs the selection of feed when turning on work piece?
a. Tool geometry    b. Surface finish required    c. Type of coolant required    d. All of these

Centred drilling should be done at ..............
a. Higher rpm with a slower feed     b. Higher rpm with a higher feed
c. Slower rpm with a higher feed     d. Slower rpm with a slower feed

Which one of the reason for torn threads while thread cutting on lathe?
a. Blunt tool      b. Heavy depth cut     c. Insufficient side clearance     d. Any one of these

For setting of tool  for threading it is aligned with the work by .............
a. Try square            b. Centre gauge          c.  Thread plug    d. Template

Nut dimension is represented by..............
a. Head of Bolt    b. Pitch Diameter of Bolt   c. Nominal Diameter of Boh   d. Core Diameter of Bolt

Speed while knurling should be ..............
a. Low    b. High   c. Intermittent    d. None of these


Workshop gauges keep at the temperature of................
a. 10 °c    b. 20 °C    c. 15 °C    d. 25 °C

Gauge has GO and NO GO at its one end.....
a. Fixed type plug gauge     b. Adjustable plug gauge
c. Progressive plug gauge  d. Double ended plug gauge

Main purpose of Screw pitch gauge........
a. To check limits of screw thread
b. To check distance between crest to crest of screw thread
c. To check minor diameter of screw thread
d. To check'major diameter of screw thread

Taper ring gauge is used for..........
a. To check inner taper  b. To check outer taper c. To check internal thread   d. To check outer thread

Clearance between the mating parts is measured by.................
a. Feeler Gauge   b. Caliper gauge  c.  Dial Gauge   d. No Go Gauge

According to Indian Standard, set of slip gauges has............
a. 71 pieces   b.112 pieces  c. 81 pieces   d.  120 pieces

Shape of warding files are-
a. Square    b. HalfRound   c.. Rectangular    d- Round

Taper made on the nose of headstock spindle of lathe-
a. Morse taper       b.  Metric Taper       c. Jarno Taper     d. Pm Taper


A sine bar is available in standard sizes which one of these is not a standard size?
a. 100 mm     b. 250 mm   c. 200 mm    d. 300 mm

While normalizing the steel should be cooled?
a. In still air to room temperature    b.  By forced air   c. In oil    d.  In water

Cutting tool, is affected by .
a. Job metal     b.Depth of cut     c. Tool metal    d. All of these

According to BIS, front clearance angle is put in the range of..........
a. 4° to 8°     b. 2° to 5°   c. 6° to 10°   d. More than 10°

Tip of tip tool is made up of-
a. Cobalt Steel   c. Both (a) & (b)
b. Tungsten d. None of these

Lead screw is made up of-
a. High Speed Steel c.  Mild Steel
b. Carbon Steel d. None of these

Point angle of Morse Standard Taper is-
a.  30°   b 45°   c. 15°       d. 60° 

If the side rack is less on tool top, the effects are-
a. Smooth Cutting      b. Improper Cutting      c. No effect on cutting    d. None of these

File has circular teeth on both edges............
a. Warding Files    b. Pillar Files    c. Mill Files   d. Crossing Files

Shape of barrette file is.......
a. Rectangular    b. Square    c. Circular   d. Triangular

According to BIS the width of Flat Scrapper.............
a. 10 to 20 mm     b. 20 to .10 mm    c. 12 to 15 mm    d. 12 to 20 mm

According to Size. 80 number drill is..........
a. Smaller one    b. Bigger one    c. Middle one    d. None of these

According to BIS, slip gauges are divided in..............grades
a. 1   b. 2    c. 3   d. 4

Angle of B S F Thread is...........
a. 55°    b. 60°    c. 45°    d. 30°

Templates are made up of......
a. Carbon steel  b. Tool Steel   c. Mild Steel    d. High speed Steel

Depth of Indian Standard Thread is indicated by-
a. 0.6403 P
b. 0.6304P
c. 0.6134P
d. 0.6143 P

In M 10 x 1.5.10 represents-
Metric Thread
Pitch of Thread
c. Depth of Thread
d. Diameter of Thread

In above question, 1.5 represents-
a. Metric Thread
b. Pitch of Thread
c. Depth of Thread
d. Diameter of Thread

Capacity of lathe is expressed by -
Horse power & chuck diameter
Swing apd distance between centres
c. Bed length & spindle speed
d. Tool post size & lathe travels

For smaller precision components, suitable thread is
a. BSW
b. BA
Acme
Square

Angle of Indian Standard Thread is-
a. 55°
b. 60°
45°
30

fitter sem 3 jan 2015 questions


Mention the key having high torque of impact type is to be transmitted in both direction of rotation.
A   wood ruff key   B   saddle key   C   jib h8ad key  D   tanqential key

Hexagonal nut is made of hexagonal bar wstn a screwed/ threaded hole in the centre . where'd" is the diameter of the bolttheoretically the nut corner to corner is........
A d  B 15 d  C 2d  D 2,5 d

This scraper cutting edge helps to make point contact while scraping and also helps to
remove small spots, name the type of scraper.........
A three square scraper  B bull nose scraper  C half round scraper  D flat scraper

Which one of the following spring is used to supply motive power to clocks .cameras etc?
A  Balance spring   B  Leap spring  C Conical disc spring  D Heiicai tension spring

Which type of gauge is used to check the internal threads ?
A. screw pitch gauge   B. screw thread plug gauge  C. screw thread ring gauge  D. screw thread caliper gauge

Slip gauges are used as standards for precision length measurement. The slip gauge are available in four grades as per BIS standard. Which one of the following four grades is meant for calibration purpose?
A   Grade 00   B   Grade II    C   Grade I   D   Grade 0

The size of a sine bar is specified by............
A width    B height .   C depth    D length

The difference between the maximum limit of size and the minimum limit of size is called....
A upper deviation  B lower deviation   C tolerance  D actual size

The purpose of grooves given on the lapping pi ate is for..........
A reduction friction    B retaining lapping paste  C collecting the metal chips  D preventing distortion of the plate

In honing the movement of the spindle is................
A   horizontal and reciprocating  B   vertical and reciprocating  C reciprocating  D Vertical

The abrasive used for honing of non-ferrous meiai is...........
A boron carbide   B diamond  C silicon carbide  D aluminium oxide



In a plain bush bearing to prevent the rotation of bush in the housing it should be fitted by
means of...............
A soldering   B welding  C brazing  D key or screw


Which one of the bearing loading is parallel to the axis of the bearing?
A Thrust bearing  B Bush bearing  C Solid bearing  D Split bearing

Identify the form of thread used on fly presses and screw jacks
A  knuckle thread      B  'V thread   C  ACME thread       D  square thread

Cutting fluids are used while honing the mineral oil commonly used in machining operations is diluted in proportion of one part of oil with four parts of ..........is used for honing
A. soap water B.  lard oil   C. kerosene    D   sulphurised oil

Angle slip gauges are available in sets. Each set consists of degree series,minute series and seconds series.In a standard set ,the number of pieces in the seconds series is......
A 3  B 4  C 5  D 6


The number of (oierance grades in the IS system of limits are.............
A 14 grades of tolerance     B 16 grades of tolerance
C 18 grades of tolerance     D   20 grades of tolerance

A workpiece has a muitistart' V thread cut on it the threads are checked with a screw pitch gauge which one of the following eiements cannot be checked with the screw pitch gauge?
A Pitch   B lead   C profile angle  D depth


Screw thread plug gauge are usea to check internal threads Which one of the following statements is true with respect to the condition for acceptance of the thread component when checked withthe "NO GO* end?
A   Fully enters with force and with out wobble
B   Fully enters with out force and with out wobble
C   Enters for two or three threads with wobble
D   Enters for two or three threads without wobble

A sine bar is an indirect precision tool to check and measure angles and tapers to a very close accuracy.The sine bar is made out of.......
A stabilised chromium steel.  B nickel steel   C high speed steel   D high carbon steel

Under terminology of the BIS system of limits the term tolerance is defined as the difference between the.................
A. maximum limit and the basic size
B. minimum limit and the basic size
C. maximum limit and minimum limit
D. actual size and the basic size

In the BIS system of limits three are 18 grades of tolerance represented by number symbols for boih hole and shaft Which one of the following ranges of grade is best suitable for manufacture of gauges?
A    12 to 16   B   8 to 12   C 5 to 8  D 1to4

The jaw type thread snap gauge is used to check external threads. The anvil of the 'NOGO' end are in the form of....
A   truncated and less number of threads than the Go end
B   sharp at crest root
C   rounded off at crest and root
D   full form and less number of threads than the 'GO' end

While measuring the size of the bare conductor with a standard wire gauge the conductor should only be cleaned with.............
A sand paper  B knife  C clean cotton cloth  D emery paoer

The plastic used for making engineering Component bearing is.....,.......

A polythene   B celiutosis  C acrylicrein  D nylon

FITTER THEORY SEM 3 JAN18

The length of sine bar is given by the following
a) By the length of sine bar
b) By the distance between the centers of rollers
c) By the distance between the end point of both rollers
d) None of the above

For supporting the pipe-shaped hollow job, following centroid is used ..........
a) Revolving center
b) Inverse center
c) Half center
d) Pipe center

The full name of SWG is .........
a) Standard Wire Gauge
b) Straight Wire Gauge
c) Standard Width Gauge
d) Standard Wire Gear

Which of the following is the characteristic of bearing?
a) Minimum friction
b) Vibration free base
c) The ability to keep the shaft on its place
d) All ofthese

Which of the following washer is used where the loosening of bolts due to vibrations or shocks are more likely to be happen?
a) Plain washer
b) Spring washer
c) Tap washer
d) Fiber washer

Woodruff key have following type of shape —
a) Rectangular
b) Shape of the sector of circle
c) Round and Taper
d) Square

.............is used for the picking of steel.
a) Dilute sulfuric acid
b) Spirit
c) Troicloroethylene
d) Carbon Tetra Chloride

In lapping process, aluminum oxide abrasive is used ............
a) For hard metals
b) For non-ferrous metals
c) For hard steel
d) None of these

Among the following, reference surface while marking on any job is .......
a) Surface gauge
b) Workpiece
c) None of these
d) Surface of marking table

Te taper of the work piece kept on the lathe machine can be checked by following .......
a) Taper plug gauge or taper ring gauge
b) Universal bevel protector
c) Steel rule and micrometer
d) Sine bar and slip gauge

Which taper is used in the spindle of tail stock?
a) Morse taper
b) Browne and shape taper
c) Jarno taper
d) None of these

Face plate is made up of which of the following metal?
a) Cast iron
b) Wrought iron
c) High carbon steel
d) None of these

If the number size in wire gauge increases then the thickness of the wire will get .........
a) Less
b) More
c) Neither less nor more
d) None of these

Nut is a ............   
a) Temporary fastner
b) Semi-permanent fastner
c) Permanent fastner
d) None of these

Which of the following instrument is used to check the hills & vallies for the surface of the job?
a) By ammeter
b) By dial gauge   
c) By barometer
d) By profile

The place where bearing are fit is known as  meter
a) Friction
b) Housing
c) Shell bearing
d) Ball bearing

Lead screw of lathe is used for
a) Step turning
b) Boring
c) Taper turning
d) Thread cutting

Which of the following pro* acts the long job from bending during turning?
a) Mandrel
b) Steady rest
c) Revolving center
d) Dog chuck

The method of cutting taper by tail stock is known as
a) Copying 
b) Offset
c) Long nose tool
d) Taper turning

Jobs are placed in ash or  for ............. annealing
a) Limestone
b) Coke
c) Pig iron
d) All of these

The included angle of acme thread is ............
a) 30°   b) 29° c) 47 1/2°   d) 60°

Thread snap gauge is used to check ..........
a) External diameter
b) External thread
c) Internal diameter
d) Internal thread

For correctly fixing the threading tool, .........  is used.
a) Try square
b) Threaded gauge
c) Center gauge
d) Tool attached with the face of the job

Which chuck has reversible jaws?
a) Collet chuck  
b) Four jaw chuck
c) Tail stock  
d) Head stock

..........is done for removing more brittleness of chisel.
a) Tempering b) Hardening
c) Carburizing d) Annealing  

The percentage of carbon in grey cast iron is  
  a) More than 6.67 % b) More than 2.1 %
c) Less than 2.1 % d) None of these

The diameter of NOT GO end is kept slightly than the actual size.
a) Bigger
b) Smaller
c) Equal
d) None of these

What does 16 represents in M16 x 55?
a) Length of shank
b) Diameter of threads
c) Both (a) & (b)
d) None of these

In which of the following lathe, so many tools can work together?
a) Bench lathe
b) Speed lathe
c) Turret lathe
d) None of these

Which of the following lathe is appropriate for mass production?
a) Turret lathe
b) Capstan lathe
c) Both (a) & (b)
d) Bench lathe

Tumbler gear is used for the following work .......
a) To accelerate the carriage from lead screw
b) To change the direction of the rotation of the lathe
c) To change the direction of feed
d) To change the velocity of spindle

Due to which reason, drill breaks during center drilling?
a) By giving too much feed
b) By reducing speed and feed
c) By trapping of chips
d) None of these

Which material is used to make the gauge of good quality?
a) Vanadium steel
b) Cast iron
c) Mild steel
d) None of these

Clearance between the mating parts is measured by which of the following gauge?
a) By dial gauge
b) By plug gauge
c) By feeler gauge
d) By caliper gauge

Which of the following method is used for putting abrasive on lap?
a) Lapping
b) Fixing
c) Charging
d) Rubbing

As compare to honing,   metal is removed in lapping.
a) Less
b) More
c) Very less
d) None of these


The surface finish of a surface is measured in ........
a) Foot
b) Meter
c) Micron
d) Centimeter

In honing process, which of the following is used along with simple abrasive and bonding material for making hon?
a) Sulphur
b) Resin
c) Wax
d) All of these

Nitride made the metals ........
a) Corrosion resistant
b) Wear resistant
c) Both (a) & (b)
d) None of these

Which of the following structure is formed by the rapid cooling of austenite structure of steel?
a) Pearlite
b) Cementite
c) Martensite 
d) None of these

CPI is the unit for measure the following ............
a) Thickness of wire
b) Diameter of nut
c) Pitch of threads of nut
d) Length of bolt

Split bearing is also known as ....
a) Pedestal bearing
b) Roller bearing
c) Pivot bearing
d) Plain bearing

Jobs with asymmetric surface cannot hold in the centre by which of the föllowing chuck?
a) By four jaw chuck
b) By three jaw chuck
c) Both (a) & (b)
d) None of these

After tightening and opening the jobs, chuck key should .......
a) Leave in the chuck
b) Lock with the chuck
c) Fasten along with the jobs
d) Immediately withdraw from the chuck


The type of bearing is .........
a) Friction bearing
b) Anti-friction bearing
c) Both (a) & (b)
d) None of these

Simple (Ordinary) nut and chuck nut have following difference -
a) Both are same
b) Chuck nut have less thickness
c) Simple nut have less thickness
d) None of these

Ball bearings are made up of metal tablets of ..........
a) None of these
b) Alloy steel
c) Copper
d) Cast iron

Honing allowance is kept —
a) 0.01 to 0.02 mm
b) 0.05 to 0.10 mm
c) 0.001 to 0.002 mm
d) None of these

Gauges wore out by rubbing on the surface, hence they are made by the following metal .......
a) Alloy steel
b) Cast steel
c) Mild steel
d) Cast iron

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