F/R S-4

FITTER THEORY SEM IV JAN16 QUESTIONS

jan 2016 sem 4 fitter theory

The accurate spacing of teeth in a gear blank requires the use of.........
A  dividing head   B  an index plate   C  a differential mechanism   D  universal table

Helical gears can be cut on which type of milling machine?
A Plain   B Horizontal   C  Universal    D  Drum type

The carburizing is done on..................
A   high carbon steel      B   medium carbon steel
C   low carbon steels      D   high speed steel

Which clutch can be engaged progressively when one or both the elements are rotating?
A  Single plate clutch  B  Cone clutch  C  Centrifugal clutch   D  Dog clutch

The standard pipe fittings are provided with
threads conforming with.......
A) BA   B) BSW   C) BSP   D) Metric

The included angle of a pipe thread is
A 60°    B 47°    C 55°   D 45°

The damaged external threads are rectified by......
A die nut    B half die     C circular die   D adjustable screw plate die

Where a large speed reduction is desired, which type of gear is used?
A   Worm and worm wheel     B   Helical bone gear
C   Hypoid gear       D   Herring bone gear

Which type of gear converts rotary motion to linear motion?
A   Rack and pinion    B  Worm and worm wheel
C   Hypoid gear          D   Internal gear

In the pipe assembly, the hemp packing is used to................
A   fill the gap between threads   B   avoid leakage
C   get tight fitting                      D   easy engagement

Which of the following can hold the work, locate the work and guide the tool at the desired position?
A   Drill bush   B   Drill fixture  C   Drill jig  D  V - block

The application of pressure pads in fixtures is to..........
A  increase the shocks    B   increase the vibration
C   absorb shocks           D   increase the weight

Gears having their teeth element parallel to the rotating shafts are known as............
A  worm gear   B  spur gear J     C   helical gear   D   bevel gear

The fuels like wood, paper, cloth, solid materials etc., come under which "class of fire?
A)  Class A fire   B) Class D fire   C) Class B fire    D) Class C fire

Which   metal   is   used   for  coating in galvanizing?
A Lead     B Brass     C Zmcy    D Aluminium

Water flows from tap even when firmly closed, what is the reason?
A  Defective washer       B  Spindle bent
C  Retainer nut loose     D  Spindle thread worn out

Aluminium is widely used in aircraft industry because it is..................
A corrosion resistant        B soft and ductile s
C light in weight              D low tensile strength


Which type of gas flame is most suitable for brazing?
A  Oxy-LPgas flame               B   Oxy-coal gas flame
C   Oxy-acetylene gas flame    D   Oxy-hydrogen gas flame


Bronze is an alloy of...................
A  copper and tin          B  copper and zinc
C  copper, zinc and tin  D  zinc and tin

The radial distance between the pitch circle and the root circle is called...........
A  dedendum                                B  addendum
C  working depth of the teeth       D  whole depth of the teeth

Which one of the following is liquid lubricant?
A  Grease   B  Molybdenum disulphide  C  Synthetic oil  D Wax

Drilling jigs are used for..........
A  drilling operation only
B  clamping the jobs while drilling
C  drilling, reaming, tapping and other allied operations
D  sharpening drill to correct angle

The fire triangle in fire hazards is identified as..............
A fuel, oxygen and heat          B fuel, oxygen and vapour
C fuel, burning and solid        D fuel, oil and waste

A master gauge is...........
A  used by masters
B   a standard gauge for checking accuracy of gauges used on shop floors
C   used by all mechanics
D  a gauge used by experienced technician


In a V belt the angle between the side is....
A  10°   B  20°   C  30°    D  30°

Name the fixed type foundation bolt that is usually forged and filled up with lead and cement?
A Eye bolt  B Rag bolt  C Ordinary bolt   D  Bent type bolt

Which is used to provide a decorative and corrosion resistant coating on aluminium and its alloy?
A Galvanizing   B Anodizing   C Tinning   D Cladding

Which type of crow bar is easier to handle, and the point will fit into a narrow gap?
A  Short crow bar                B   Long crow bar
C   Single ended crow bar    D   Double ended crow bar


What is the function of Dog clutch?
A   It can be engaged progressively when one or both the elements are rotating
B   It can only be engaged when two elements of the clutch are stationary
C  When the speed is reduced the clutch opens by itself
D   Contact force is produced by springs


The use of travelling wall crane is..............
A   it allows the load to move horizontally to or from the box
B  it allows the load to move in three directions
C  an endless chains
D  two separate chains

The sensitiveness of the spirit level depends upon the............
A  size of the bubble
B   length of the glass tube
C  type of liquid filled in the glass tube
D  curvature of the glass tube S

In which clutch, the pressure plate is used?
A  Multiple plate clutch   B  Dog clutch   C  Over riding clutch   D  Centrifugal clutch

Generally solder Is an alloy of
A  copper and tin   B   lead and tin   C   zinc and tin  D   antimonv and tin

Aluminium is extracted from the ore
A  pyrite  B  bauxite  C  aluminium oxide  D  magnetite

Best conductor of heat and electricity is.............
A nickel   B chromium    C aluminium   D  copper


Which of the following is the non-metallic anti  corrosion treatment?
A Enamelling    B Cladding    C Sheradising   D Calorising


Which of the following fire extinguishing agent is suitable for a live electrical fire?
A  Water ,    B Carbon dioxide   C Carbon tetrachloride   D Foam

In braze welding, the filler rod melting point is...........
A  above 450°C    B   above 550°C   C  above 600°C   D  above 650°C

Which metal can be joined by soldering and brazing easily than aluminium?
A Silver    B Copper   C Chromium   D Zinc

Which pipe wrench is used for holding large diameter of a pipe?
A  Chain wrench   B  Allen wrench   C   Strap wrench    D  Pipe wrench

The belt slips, due to...........
A  less tension    B  misalignment   C  pulsating load    D  high starting torque

Taper keys are rectangular cross section. They have a taper of..........
A   1:100 on the thickness    B   1:90 on the thickness
C  1:80 on the thickness       D   1:70 on the thickness

The standard size of V bait from section "D" nominal top width is.........
A   22 mm   B   32 mm   C   38 mm   D   17 mm

The error in squareness can be accurately determined by using a...................
A  try square and slip gauge             B  try square and feeler gauge
C  cylinder square and slip gauge     D  beveled edge try square

The spirit level is used for checking the level of machine when..........
A   lifting the machine .    B   erecting the machine
C   shifting the machine    D   grouting the machine


What is the function of a soldering iron in the soldering process?
A  Melt the metal   B   Melt the solder
C Cool the solder   D   Cool the metal

FITTER THEORY SEM IV JAN16 QUESTIONS
SEM 4 JAN2016 FITTER
The accurate spacing of teeth in a gear blank requires the use of...........
A  dividing head                     B  an index plate
C  a differential mechanism    D  universal table

Helical gears can be cut on which type milling machine?
A Plain B Horizontal C Universal D Drum tvnp

The carburizing is done on
A   high carbon steel  B   medium carbon steel
C   low carbon steel    D   high speed steel

The damaged external threads are rectified by......
A  die nut   B   half die    C   circular die    D  adjustable screw plate die

The included angle of a pipe thread is
A  60°   B  47°   C  55°  D  45°

Which clutch can be engaged progressively
when one or both the elements are rotating?
A   Single plate clutch     B  Cone clutch
C   Centrifugal clutch      D   Dog clutch

The standard pipe fittings are provided with threads conforming with.......
A BA   B BSW   C BSP   D Metric

Which of the following can hold the work, locate the work and guide the tool at the desired position?
A   Drill bush  B   Drill fixture  C   Drill jig  D  V-block

In the pipe assembly, the hemp packing is used to................
A  fill the gap between threads    B  avoid leakage
C   get tight fitting                      D  easy engagement

Which type of gear converts rotary motion to linear motion?
A  Rack and pinion      B  Worm and worm wheel
C   Hypoid gear            D   Internal gear

Where a large speed reduction is desired, which type of gear is used?
A  Worm and worm wheel  B   Helical bone gear
C   Hypoid gear                   D   Herring bone gear

The application of pressure pads in fixtures is to..........
A  increase the shocks   B   increase the vibration
C  absorb shocks           D   increase the weight

Which type of gas flame is most suitable for brazing?
A  Oxy-LPgas flame               B   Oxy-coal gas flame
C   Oxy-acetylene gas flame    D   Oxy-hydrogen gas flame

Aluminium is widely used in aircraft industry because it is..................
A  corrosion resistant B  soft and ductile
C   light in weight      D  low tensile strength

Water flows from tap even when firmly closed, what is the reason?
A Defective washer    B  Spindle bent
C  Retainer nut loose  D  Spindle thread worn out

Which  metal   is   used  for  coating in galvanizing?
A Lead    B Brass    C Zinc    D Aluminium

Which one of the following is liquid lubricant?
A Grease  B Molybdenum disulphide  C Synthetic oil  D Wax

The radial distance between the pitch circle and the root circle is called...........
A dedendum                                   B addendum
C  working depth of the teeth         D whole depth of the teeth

Bronze is an alloy of
A copper and tin   B copper and zinc  C copper, zinc and tin  D zinc and tin

A master gauge is...........
A  used by masters
B  a standard gauge for checking accuracy of gauges used on shop floors
C   used by all mechanics
D  a gauge used by experienced technician

The fire triangle in fire hazards is identified as..............
A  fuel, oxygen and heat      B  fuel, oxygen and vapour
C  fuel, burning and solid    D  fuel, oil and waste

Drilling jigs are used for..........
A drilling operation only
B  clamping the jobs while drilling
C  drilling, reaming, tapping and other allied operations
D  sharpening drill to correct angle

Which type of crow bar is easier to handle, and the point will fit into a narrow gap?
A Short crow bar B Long crow bar
C Single ended crow bar D Double ended crow bar

Name the fixed type foundation bolt that is usually forged and filled up with lead and cement?
A  Eye bolt  B  Rag bolt  C  Ordinary bolt  D  Bent type bolt

In a V belt the angle between the side is....
A 10°    B 20°    C 30°  D 40°

In which clutch, the pressure plate is used?
A  Multiple plate clutch     B  Dog clutch
C  Over riding clutch         D   Centrifugal clutch

The sensitiveness of the spirit level depends upon the............
A  size of the bubble                                      B   length of the glass tube
C   type of liquid filled in the glass tube         D  curvature of the glass tube

The use of travelling wall crane is..............
A  it allows the load to move horizontally to or from the box
B  it allows the load to move in three directions
C  an endless chains
D  two separate chains

What is the function of Dog clutch?
A   It can be engaged progressively when one or both the elements are rotating
B   It can only be engaged when two elements of the clutch are stationary
C   When the speed is reduced the clutch opens by itself
D   Contact force is produced by springs

Generally solder is an alloy of...............
A copper and tin   B  lead and tin   C  zinc and tin   D  antimonv and tin

Aluminium is extracted from the ore
A pyrite   B bauxite   C aluminium oxide   D magnetite

Best conductor of heat and electricity is.............
A nickel  B chromium   C aluminium  D copper

Which metal can be joined by soldering and brazing easily than aluminium?
A Silver   B Copper   C Chromium   D Zinc

In braze welding, the filler rod melting point is...........
A above 450°C   B above 550°C   C above 600°C  D above 650°C

Which of the following fire extinguishing agent is suitable for a live electrical fire?
A Water  B  Carbon dioxide  C  Carbon tetrachloride  D Foam

Which of the following is the non-metallic anti corrosion treatment?
A Enamelling   B Cladding   C Sheradising    D Calorising

The standard size of V belt from section 'D' nominal top width is.........
A 22 mm  B 32 mm   C 38 mm   D   17 mm

Taper keys are rectangular cross section. They have a taper of..........
A  1 :100 on the thickness B   1 :90 on the thickness
C   1 : 80 on the thickness  D   1 : 70 on the thickness

The belt slips, due to................
A  less tension  B  misalignment  C  pulsating load  D  high starting torque

Which pipe wrench is used for holding large diameter of a pipe?
A  Chain wrench  B  Allen wrench  C   Strap wrench  D   Pipe wrench

The error in squareness can be accurately determined by using a...................
A  try square and slip gauge           B   try square and feeler gauge
C  cylinder square and slip gauge   D   beveled edge try square

The spirit level is used for checking the level of machine when..........
A   lifting the machine    B  erecting the machine
C  shifting the machine   D  grouting the machine

What is the function of a soldering iron in the soldering process?
A  Melt the metal   B  Melt the solder  C  Cool the solder  D  Cool the metal


FITTER THEORY SEM IV JULY 17 QUESTIONS
SEM 4  JULY 17 FITTER
V-block (vee locators) are used for clamping as well as locating when faces are inclined uptp:-
a)30° b) 12° c) 9° d) 3°

Gun metal is an alloy of copper:
a) Tin and Zinc  c) Zinc and Nickel  b) Lead and Zinc  d) Lead and Nickel

Brass in an alloy of
a) Copper and Tin  e) Copper and Zinc  b) Lead and Tin  d) Copper and Silver

TQM is meant to satisfy _
a) Shareholders    c) People in the organization  b) Consumers  d) All of these

Which one of the following thread forms on bolts and nuts is meant for general fastening
purposes?
a)V thread     b) Square thread   c) Knuckle threads    d) Acme threads

A tab washer is used for
a) Self -locking  c) Avoiding vibration   b) Locking the nuts  d) Fastening vibration work

Electroplating is done on jobs to resist corrosion. Which pole of a D.C supply is connected to the work in electroplating process?
a) Positive pole b) Positive terminal post c) Negative pole d) Negative terminal post

Which material is used for joining CI pipe?
a) Brass    c) Lead     b) Tin    d) Corrosion

The brass used making the joint in brazing for soldering material is ......................
a) Flux b) Borax c) Spelter d) Soft soldering

Which type of key is used for coupling a pulley with a shaft?
a) Square key   b) Woodruff key  c) Gib head key   d) Flat saddle key

Which one of the following reason in responsible for shearing of rivet in a riveted joint?
a) Diameter of the rivet is too small     b) Diameter of the rivet is too large
c) Thickness of plates vary                  d) Pitch of the holes is too small

Viscosity is an internal property of a fluid, it is a measure of its resistance to :-
a) Current    b) Light   c) Sound     d) Flow

The storage space of a fluid is called................
a) Strainer    c) Plug    b) Reservoir   d) Pump

In a pneumatic system, a sensor serves the purpose of .....................
a) Transmission    b) Control   c) Feedback    d) Storage

Typical locating device for cylindrical job used in jigs and fixtures are
a) Drill jigs   b) V-block   c) Mandrels   d) Angle plate

A jig is a device used for_.
a) Holding the workpiece       b) Guiding the tool
c) Loosening the workpiece d) Holding the workpiece and guide the tool


In a vee belt the angle between the side is.....................
a)10 degree     b) 20 degree   c) 30 degree     d) 40 degree

The function of a washer is..................
a) To fill the axial gap                  c) To absorb shock and vibrations
b) To provide cushioning effect    d) To provide bearing area

What joint is used for temporary pipe line?
a) Expansion joint   b) Flange joint  c) Screwed joint   d) Collar joint

Which pipe is used for interior work?
a) Steel pipe   c) Wrought iron pipe    b) PVC pipe   d) Lead pipe

Name the part marked 'x' shown in figure.
a) Stuffing box   c) Gland nut   b) Bonnet.  d) Metal disk holders

Soldering iron are made of copper because..........................
a) It is heavy
c) It is thermal expansion is more
b) It is a bad conductor of heat
d) It is good conductor of heat

Which type of thread is used for power screws?
a) Metric b) Knuckle  c) Square d) BSW

Which nonferrous metal tensile strength can be increased by hammering or rolling?
a) Lead b) Copper  c)Tin d)Zinc

Which type of knot is used to joins two pieces of rope of equal diameters?
a) Slip knot b) Bowline knot  c) Square knot d) Sheep shank knot

Belt slips reason is__
a) Less tension   c) High starting torque   b) Pulsating load  d) Shock load

Name the rivet head used for heavy fabrication work,
a) Flat head b) Pan head  c) Snap head d) Mushroom

To put off class 'B' fire the type of fire extinguisher used_
a) Dry powder b) Foam type c) Carbondioxide d) Jet of water

In a riveted joint the plates are placed end-to-end and jointed through cover plates. This
joint is called_
a) Lap joint b) Butt joint.  c) Edge joint d) Corner joint '.

In a riveted joint the edges of plates are simply laid over each other and riveted.
This joint is called__.
a) Lap joint b) Butt joint c) Edge joint d) Corner joint

Which flux is used for soldering?
a) Zinc chloride  c) Hydro chloric acid  b) Ammonium Chloride  d) All of these

In the process of soldering, you have noticed solder not sticking to sufficiently heated
copper soldering bit when rubbed over solder bar. What step do you take to overcome the
problem?
a) Pre- heat the solder b) Clean the bit thoroughly
c) Change the soldering bit shape d) Rub the bit over solder for longer period

Oil fire extinguished by _
a) Putting water on it
c) Soda acid extinguisher
b) Foam extinguisher
d) None of these

The best way of avoiding accident is by_.
a) Doing work in ancient way
b) Doing work in one's own way
c) Observing safety rules related to job, machine and workplace
d) Using safety equipment

In case of electric fire, which one of the following should not use_
a) Put water on it b) Use sand or clay
c) Use C.T.C. extinguisher d) Use dry chemical powder

Name the type of jig in which a base plate is not available,
a) Plate jig b) Box jig  c) Trunnion jig d) Latch jig


An accident is_.
a) Unplanned event b) Non-controlled event
c) Undesirable event d) All of these

The included angle for the V belt is usually in degrees .............
a) 10 to 20   c) 30 to 40  b) 20 to 30  d) 60 to 80

The standard taper of pin
a) 1:20
c) 1:40
b) 1:30
d) 1:50

Best conductor of heat and electricity is
a) Nickel  c) Chromium   b) Copper  d) Aluminium

Melting temperature range of soft solder_. :
a) 150-350 °c b)600-900°c
c) 500-600 °c d) None of these

Medium solder contains .
a) 37% lead and 63% tin b) 50% lead and 50% tin
c) 70% lead and 50% tin d) None of these ..

"Cyaniding" and "Nitriding" are two methods of_.
a) Hardening b). Case hardening
c) Tempering d) Normalising

Case hardening is a method of producing hard skin on the surface of
a) High-carbon steel parts b) Cast iron (heavy parts)
c) Low-carbon steel parts d) Alloy steel parts

Radial distance of a gear tooth from the pitch circle to the top of the tooth is known as: -
a) Addendum b) Dedendum
c) Module d) Pitch

The rolling contact bearings are known as
a) Thick lubricated bearings
c) Thin lubricated bearings
b) Plastic bearings
d) Antifriction bearings

The purpose of lubrication
a) To reduce friction
c) Transfer heat produced
b) To reduce wear
d) All of these

When close the pipe end is required fitting of_
a) Plug b) Cap
c) Socket d) Tee

For shaft in parallel and rotating in same direction the belt drive used
a) Open b) Cross
c) Diagonal d) None of these

The size of gear is usually
a) Pressure angle
b) Diametrical pitch
c) Circular pitch
d) PCD

FITTER (THEORY) SEMESTER-IV JAN 2018


Spirit level is used for.......
a) Testing for machine
b) While machine is erected
c) For starting of machine
d) Foundation machine

............is necessary for continues better production.
a) Routine maintenancc
b) Break down maintenance
c) Preventive maintenance  
d) None of these

............gauge is used to checking external threads of pipe,
a) Thread gauge
b) Thread ring gauge
c) Centre gauge  
d) Thickness gauge

.............is used for supplying water from main line.
a) Valves
b) Cock
c) Taps
d) Union

In pipe line fitting accessory used to pipe pieces short or long is called ............
a) Union
b) Reducer
c) Nipple's
d) Plug

Generally fitting for big diameter pipe joint...........is used.
a) Flange
b) Socket
c) PIug
d) Union

Which accessory is used for fitting branch line to main line?
a) Union
b) Elbow
c) Tee
d) Flange

In pipe fitting which accessory is used for four way pipe fitting?
a) Socket
b) Elbow
c) Tee
d) Cross

Which accessory is used in pipe fitting of different diameter pipe joint each other for increase the length?
a) Socket
b) Reducer
c) Union
d) Flange

Which one is used for joint connection in pipe line without any destruction?
a) Union
b) Plug
c) Socket
d) Cross

Which of the following is the including angle of pipe thread?
a) 29 degree
b) 27.5 degree
c) 55 degree
d) 60 degree

Which of the fi)llowing is a form of standard pipe thread?
a) B.S.P.       b) B.S. F.
c) B.S.W.  d) B.A.

In triangle fire fuel, heat and ............. both three most important Contribution substance.
a) Oxygen  
b) Fire
c) Air
d) Water

Which one is use on A class fire?
a) Pistol type fire extinguisher
b) Dry powder fire extinguisher
c) Foam type fire extinguisher
d) Soda acid type fire extinguisher


The process of Electroplating on Metal surface is ............
a) Temporary
b) Semi-permanent
c) Permanent  
d) Above all

.............. material is use as sheathing material for avoid rust or Telephone and electrical underground wires.
a) Nickel b) Copper
c) Lead.   d) Tin

Which among is the lightest metal?
a) Lead
b) Tin
c) Aluminium
d) Copper

The main anechanical property of aluminiurn is .........
a) Soft
b) Brittle
c) Strong  
d) Tough

Brass is an alloy of .........&..........
a) Copper & Tin
b) Lead & Tin
c) Copper & zinc
d) Copper & SiIver

Bronze is an alloy of .......& ......
a) Copper & Tin
b) Lead & Tin
c) Copper & Zinc
d) Copper & Silver

Aluminium is base ofore.
a) Iron ore
b) Copper pirate
c) Zinc alloy
d) Boxide
........... is the most important non-metal used for electrical equipment because it is electric
resistance substance.
a) Plastic
b) Rubber
c) Wood
d) Cement

Wood ruff Key having shape of ..........
a) Taper circular  
b) Round
c) Rectangular
d) half moon shape

When quick and accurate fastening of two matching part is
a) Taper key
b) Cotter
c) Pins
d) Saddle key

For this coupling two flanges is use for two connecting shaft.
a) Flange coupling
b) Muff coupling
c) Flexible coupling
d) old ham coupling

Cam is used for rotary motion is transfer to motion.
a) Flat motion
b) Resiprocative
c) High Speed d) Low speed

Jockey pulley is ..........              
a) Increase connecting portion on pulley  
b) Gives more powerof Driver Pulley
c) It gives various speed of Shaft d) Step cone pulley has different dia

Face of the Pulley is tnake slightly convex in width. It is called
a) Fianck
b) Crowning
c) Effective diameter  
d) Rim

The brass which is used in engineering work alloy 60% .......& 40 % .........
a) Copper & zinc
b) Copper & tin
c) Tin & zinc
d) Tin & lead

metal alloying with steel make hard and rust proof its melting point is 1615 degree C.
a) Chromium
b) Nickel
c) Silver
d) Copper

The metal which is use for coating sheet because it is anticorrosive metal is.....
a) Aluminium
b) Zinc
c) Tin
D) Lead

For sepret machine independent motor is used called..........drive.
a) Self drive
b) Group drive
c) Open drive
d) None of them

For gives varies speed ratio on machine ............pulley is used.
a) Flat Pulley
b) V Groove Pulles
c) Step Cone Pulley
d) Jockey Pulley

In use 'V' belt drive avoid defect of................
a) Slippage
b) Crippling
c) Cutting
d) Crowning

Pitch circle of gear & height of gear tooth is called...............
a) Addendum
b) I)eddendunl
c) Centre distance
d) Face

The best example of sen1i-liquid lubricant is.............
a) Grease
b) Grafid
c) Castor oi l
d) Lord oil

The purpose of normalizing steel is ............
a) Remove induced stresses & refine gain size
b) Improve machincability
c) Soften the steel
d) Increase the toughness and reduce brittleness

The toughness in a steel is increased and brittleness is decrease by a treatment operation called as ............
a) Annealing
b) Normalizing
c) Tempering
d) Case heading

Heat treatment of metals is necessary?
a) To produce certain desire properties
b) To make good appearance on the component
c) To increase strength of metals
d) To avoid corrosion on metal

Lower critical temperature of high carbon steel while hardening is...........
a) 960 degree C
b) 900 degree C
c) 723 degree C
d) 560 degree C

What is the main purpose of annealing?
a) To improve machinability & soften the steel
b) To improve magnetism
c) To improve hardness
d)  increase toughness

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

The process of increasing carbon percentage on the surface of low carbon steel is known as..........
a) Hardening
b) Nitriding
c) Carburizing
d) Tempering

Induction coil is made  .......... material.
a) Mild steel
b) Cooper
c) Tin
d) Silver

Solder is an alloy of.........
a) Tin and lead
b) Copper and zinc
c) Copper and tin
d) Brass and zinc

Which metal is use for bit of hatched soldering iron?
a) Brass
b) Cooper
c) Mild steel
d) Cast iron

Spelter is alloy of.............
a) Tin and lead
b) Copper and zinc
c) Brass and zinc
d) None of these

Which type f flux are used for brazing?
a) Sodium carbonate
b) HCL
c) Borax
d) Resin

What is the now• or filler metal in brazing?
a) Sweating
b) spelter
c) Base metal
d) Flux

Which is main advantage of interchangeability?
a) Help for mass production
b) Less Rejection
c) Part changeable after damages
d) All these

Jan17 FITTER THEORY
SEMESTER - IV

The general ratio of mixture of soluble with water is -
(a) 1:5
(b) 1:10
(c) 1:15
(d) 1:20

Solid lubricant is
(a) Caster Oil
(b) Lord Oil
(c) Graphite
(d) Grease

Cutting compound used during machining operation is
(a) Water
(b) Soluble Oil
(c) Tarpin Oil
(d) Grease

Lubricatorused for lubrication on the sliding surface of machine is
(a) Oil can
(b) Weak feed Lubricator
(c) Ring Lubricator
(d) Hand Pump

Splash lubrication is done by
(a) Oil can
(b) Grease Gun
(c) Pump Lubricator
(d) Ring Lubricator

Which friction occurred if journal bearing is not lubricated?
(a) Dry Friction 
(b) Rolling Friction
(c) Sliding friction
(d) Fluid Friction

The following is machined dry -
(a) Aluminum
(b) Cast iron
(c) Titanium
(d) All of these

Preventive maintenance is carried out
(a) Before failure of machine
(b) After failure of machine
(c) Both (a) & (b)
(d) None of these

Jigs and Fixtures are
(a) Machining tools 
(b) Precision tools 
(c) both (a) & (b) 
(d) none of these

Composition of HSS cutting tool is in ratio of 18:4:1. In this 18 indicates
(a) Chromium
(b) Tungsten
(c) Cobalt
(d) Vanadium

Couplings used for joining of shafts, when shafts are
(a) Joint permanently
(b) Removed frequently
(c) Joined and misalignment occurs
(d) Open frequently to fulfill the misalignment

Monel Metal has
(a)  Copper  
(b)  Nickel  Copper
(c) 6% Nickel 4% Copper
(d) 6% Copper 4% Nickel

Activity log is 
(a) Written record how you spend time
(b) Measure of procreativity
(c) To check the movement
(d) None of these

The process in which surface is made smooth and uniform is known as
(a) Buffing
(b) Polishing
(c) Metal Spinning
(d) None of these

Carburizing is done on
(a) High carbon steel
(b) Medium carbon steel
(c) Low carbon steel
(d) Tight speed steel

Which hoisting mobile equipment is used for self loading and shifting it to different
places in a factory?
(a) Jib Crane
(b) Fork lift
(c) Chain hoist
(d) Gear hoist

Bushing in jig is used 
(a) To locate and guide the tool
(b) To locate the tool
(c) To guide the tool      
(d) None of these

Block spirit level is used to check
(a) Horizontal level
(b) Vertical level
(c) Both (a) & (b)
(d) Only angular measurement

Dry chemical extinguisher is used for
(a) Carbonaceous fire
(b) Electrical Fire
(c) Both (a) & (b)
(d) None of these

The pattern on the work surface caused by the movement of the cutting tool is called
(a) Roughness
(b) Surface texture
(c) Waviness_
(d) Lay

Why flux is used in brazing?
(a) To prevent steel from oxidizing during brazing process
(b) To speed up brazing
(c) To clean the metal by dissolv,ing any oxide already present
(d) To make the final joint clean


Fixture is used for
(a) To hold the job
(c) To locate the job
(b) To hold and locate the job
(d) None of these

Which jig used for location in bore?
(a) Solid Jig
(b) Box Jig
(c) Plate Jig
(d) Post Jig

Process chart shows
(a) Operation to be used
(b) Sequence of operations
(c) Worker's name
(d) Inspection method

Drill jig bushing is made up of
(a) Cast Iron
(b) Cast Steel
(c) Tool Steel
(d) Mild Steel

To locate the renewable bushing in jig,bush is used.
(a) Liner
(b) Press Fit
(c) Knurled
(d) Special

Which part of jig provides correct location to drill?
(a) L├╝ler Bush
(b) Guide Bush
(c) Jig plate
(d) Setting Block

Which jig is used for drilling in thin sheets?
(a) Solid Jig
(b) Post Jig
(c) Sand witch Jig
(d) Table Jig

Which washer used in structural assembly?
(a) Spring Washer 
(b) Plain Washer
(c) Tapered Washer
(d) Tap Washer

Which flux is used for Brazing?
(a) Borax
(b) Zinc Chloride
(c) Resin
(d) Phosphoric Acid

The size of hydraulic cylinder is specified by -
(a) Piston diameter & stroke
(b) Barrel of piston & piston
(c) Volume of the fluid pushed & piston rod
(d) None of these

Brazing is done at the temperature of
(a) More than  450°c
(b) Less than 450°C
(c) At 1000°c
(d) At 1500°c

Soft soldering is done at the temperature of
(a) More than 450°c
(b)  than 450°c
(c) At 1000°c
(d) At 1500°c

Filler material used for brazing is an alloy of
(a) Copper andLead
(b) Copper and Tin
(c) Copper and Zinc
(D) Zinc and Lead


Gum Metal is an alloy of
(a) Copper Zinc and Nickel
(c) Copper Lead and Zinc
(b) Copper Tin and Zinc
(d) Copper Lead and Nickel

The power source in pneumatic system is
(a) Air receiver
(b) Compressor
(c) Valve
(d) Muffler

Bearing bushes are made up of
(a) Brass
(b) White Metal
(c) Gun Metal
(d) Copper

The process of increase in percentage of carbon on the surface of low carbon steel is known as
(a) Carburizing
(b) Hardening
(c) Tempering
(d) Nitriding


Chain slings are used for
(a) Light loads
(b) Heavy loads
(c) Medium loads
(d) None of these





95% Metal available in Duralumin and Hindelium is
(c) Lead
(d) Aluminium
(a) Copper
(b) Zinc

Fastening of one part of rope to other poet of rope is known as -
(a) Loop
(b) Bight
(c) Knot
(d) Round turn


Which one of the following is used for making branch right angle to the main line in pipe fitting -
(a) Union
(b) Elbow
(c) Tee
(d) Flange

Clutch used to transmit less power is
(a) Plate Clutch
(b) Cone Clutch
(c) Dog Clutch
(d) Centrifugal Clutch

Gear drive used to change rotary motion into linear motion is
(a) Spur Gear Drive
(b) Bevel Gear Drive
(c) Worm and Worm gear drive
(d) Rack and Pinion Gear drive

Which among the following methods is generally used to cut threads on G.I pipes
(a) By centre lathe
(b) By thread rollers
(c) BY tap sets
(d) By die & stock

Depth of tooth space below the pitch circle in a gear is known as
(a) Deddendum
(b) Addendum
(c) Crest
(d) Root

Belt drive used with jockey pulley is
(a) Open belt drive
(b) Cross belt drive
(c) Right angle drive
(d) Quarter twist drive
 
Face of rim of pulley is made convex. It is called
(a) Crackness
(b) Effective Diameter
(c) Flank
(d) Crowning

Which galvanizing is providing a protective coating on mild steel?
(a) Zinc
(b) Lead
(c) Aluminium
(d) Iron

Which metal is suitable for anodizing?
(a) Copper
(b) Nickel
(c) Tin
(d) Aluminium




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