ANSWERS VIEW ITI GURUJI YOUTUBE CHANNEL
FITTER
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
Answer: C drilling, reaming, tapping and
other allied operations
itiquestion.blogspot.com
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
Answer: A fuel, oxygen and heat
A master gauge is...........
A 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
Answer: B a standard gauge for checking accuracy of
gauges used on shop floors
itiquestion.blogspot.com
In a 'V belt the angle between the side is....
A 10"
B 20°
C 30°
D 40°
Answer: D 40°
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
Answer: B Rag bolt
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
Answer: A Short crow bar
Which is used to provide a decorative and
corrosion resistant coating on aluminium and
its alloy?
A Galvanizing
B Anodizing
C Tinning
D Cladding
Answer: B Anodizing
itiquestion.blogspot.com
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
Answer: B It can only be engaged when two elements
of the clutch are stationary
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
Answer: B it allows the load to move in three directions
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
Answer: D curvature of the glass tube
In which clutch, the pressure plate is used?
A Multiple plate clutch
B Dog clutch
C Over riding clutch
D Centrifugal clutch
Answer: 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
Answer: B lead and tin
itiquestion.blogspot.com
Aluminium is extracted from the ore
A pyrite
B bauxite
C aluminium oxide
D magnetite
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
Answer: A dividing head
Helical gears can be cut on which type of
milling machine?
A. Plain
B. Horizontal
C. Universal
D. Drum type
Answer: C. Universal
The carburizing is done on
A high carbon steel
B medium carbon steel
C low carbon steel
D high speed steel
Answer: C low carbon steel
The standard pipe fittingo are provided with
threads conforming with.......
A BA
B BSW
C BSP
D Metric
Answer: C BSP
Which dutch 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
Answer: B Cone clutch
The included angle of a pipe thread is
A 60°
B 47°
C 55°
D 45°
Answer: C 55°
The damaged external threads are rectified
by......
A die nut
B half die
C circular die
D adjustable screw plate die
Answer: A die nut
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
Answer: A Worm and worm wheel
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
Answer: A Rack and pinion
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
Answer: B avoid leakage
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
Answer: C Drill jig
itiquestion.blogspot.com
The general ratio of mixture of soluble with water is .......
(b) 1:10 (c) 1:15(d) 1:20
Solid lubricant is .......
Choose the correct answers:
(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
5. 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 dissolving any oxide already present
d) To make the final joint clean
Process chart shows
a) Operation to be used
b) Sequence of operations
c) Worker's name
d) Inspection method
Fixture is used for
a) To hold the job
c) To locate the job
b) To hold and locate the job (d) d) None of these
Which jig used for location in bore?
a) Solid Jig
b) Box Jig
c) Plate Jig
d) Post Jig
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) Lüler Bush
b) Guide Bush
c) Jig plate
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) Setting Block
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 c
b) Less than 450 C
c) At 1000 c
Soft soldering is done at the temperature of
(a) More than 450 Oc (b) than 450 Oc (c) At Oc (d) At 1500 c
(d) At 1500 Oc
450 O O O
34. Filler material used for brazing is an alloy of
(a) Copper andLead (b) Copper and Tin (c) Copper and Zinc and Lead
(a) Air receiver (b) Compressor
36. Gum Metal is an alloy of (c) Valve (d) Muffler
35. The power source in pneumatic system is
(a) Copper Zinc and Nickel
(c) Copper Lead and Zinc (b) Copper Tin and Zinc
(d) Copper Lead and Nickel
37. Bearing bushes are made up of
(a) Brass (b) White Metal (c) Gun Metal (d) Copper
38. 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
(a) Copper (b) Zinc
40. Chain slings are used for (c) Lead (d) Aluminium
39. 95% Metal available in Duralumin and Hindelium is
(a) Light loads (b) Heavy loads (c) Medium loads (d) None of these
41. Fastening of one part of rope to other poet of rope is known as -
(a) Loop (b) Bight (c) Knot (d) Round turn
Booklet Series -D
42. 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
43. Clutch used to transmit less power is
(a) Plate Clutch (b) Cone Clutch (c) Dog Clutch (d) Centrifugal Clutch
44. 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
45. 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
46. Depth of tooth space below the pitch circle in a gear is known as
(a) Deddendum (b) Addendum (c) Crest (d) Root
47. Belt drive used with jockey pulley is
(a) Open belt drive (b) Cross belt drive (c) Right angle drive (d) Quarter twist drive
Booklet Series -D
48. Face of rim of pulley is made convex. It is called
(a) Crackness (b) Effective Diameter
(c) Flank (d) Crowning
49. Which galvanizing is providing a protective coating on mild steel?
(a) Zinc (b) Lead
50. Which metal is suitable for anodizing?
(a) Copper (b) Nickel
(c) Tin (d) Aluminium
(c) Aluminium (d) Iron
2016 FITTER
THEORY SEM-IV
1.The
following is machined dry.
a)
Aluminium
b) Cast
iron
c)
Titanium
d) All of
these
Answer:-
b) Cast iron
2.The
following device is used to
determine
the mix ratio of water-
soluble
coolanls:
a) Diffract meter
b)
Hydrometer
c)
Refract meter
d) None
of these
Answer:- c)
Refract meter
3.The use
of metal working fluids_.
a)
Increase the tool life
b)
Produce better surface finish
c)
Prevent rise in temperature
d) All of
these
Answer:- d)
All of these
4.The
main constituent(s) of
mineral
oil is/are_.
a)
Paraffin
b)
Naphthenic
c)
Aromatics
d) All of
these
Answer:- d)
All of these
5.The
following is used in heat
treatment
process as a quenching
medium
for obtaining
a higher degree of hardness.
a)
Mineral oil
b) Fatty
acid
c)
Waxes
d)Graphite
suspensions
Answer:- b)
Fatty acid
6.Which
of the following is added
to the cutting fluids so that soapy
film is
produced between the work piece
&
tool and chip & tool face?
a)
Sulphur
b)
Chlorine
c) Both
(a) & (b)
d) None
of these
Answer:- c)
Both (a) & (b)
7.Soluble
oil is used as cutting
fluid in
.............
a) Sawing
b)
Drilling and boring
c)
Reaming
d) All of
these
Answer:- d)
All of these
8.Usually
no cutting oil is used in ....
a)
Broaching
b)
Planning and shaping
c) Thread
rolling
d) Honing
Answer:- b)
Planning and shaping
9.Choose
name of the bolt.
a) Gib
Headed foundation boit
b) Cotter
foundation bolt
c)
Through foundation bolt
d) Eye
foundation bolt
Answer:- d)
Eye foundation bolt
10. ...............
are used to separate
the tramp
oil (sump oil) from coolant.
a)
Magnetic separators
b)
Skimmers
c)
Rotating spindles
d) All of
these
Answer:- b)
Skimmers
11 Which
of the following parameters
influence
the axial feed rate in
centreless grinding?
a)
Regulating wheel diameter
b) Angle
between the axes of grinding
and
regulating wheels
c) Speed
of the regulating wheel
d) All of
these
Answer:- d)
All of these
12. Hydraulic
oil is compressible
a) Not at
all
b) Very
much
c) Very
Little
d) None
of these
Answer:- c)
Very Little
13. Power
= Torque x .................
a) Velocity
b) RPM
c) Force
d) Area
Answer:- b)
RPM
14. .... is
prime mover in hydraulic system.
a) Oil
b)
Electric Motor
c) Pipe
d)
Impeller
Answer:- b)
Electric Motor
15. Power
of Pump = .............. x
Volume
flow rate.
a)
Velocity
b) RPM
c) Force
d)
Pressure
Answer:- d)
Pressure
16. 1 HP
= ................ W
a) 746
b) 1000
c) 100
d) 764
Answer:- a)
746
17. Which
flat belt drive system has
two
pulleys mounted on driven shaft
and one
pulley on driving shaft?
a)
Multiple belt drive
b) Cone
pulley drive
c) Fast
and loose pulley drive
d) None
of these
Answer:- )
Fast and loose pulley drive
18. Which
of the following statements
are false
for belt drives?
i) Belt
drive is used in applications
having constant speed dnve
ii) Belt
drives can be used at extremely
high speeds
iii) Belt
drives have low power
transmitting capacity
iv) Belt
drives need continuous lubrication
a) (i)
& (ii)
b) (i),
(ii) & (iii)
c) (ii),
(iii)&(iv)
d) (i),
(ii) & (iv)
Answer:- d)
(i), (ii) & (iv)
19. Determine
power rating of an electric
motor if
it runs at 1440 r.p.m and line shaft
transmits
torque of 75 Nm. Assume
Reduction
ratio = 1.6 .................
a) 10.36 kW
b) 11.3kW
c) 7.068 kW
d) 9.12kW
Answer:- c) 7.068 kW
20. In
simple gear trains the direction of
rotation
of driven gear is opposite to the
direction of rotation of driving gear
only if
...................
a) Even number of idler gears are present
b) Odd
number of idler gears are present
c) Any number of idler gears are present
d) None
of these
Answer:- a)
Even number of idler gears are
present
21.Why is
an idler gear used in gear trains?
a) To
obtain minimum center distance
between driving and driven snatt
b) To
have required direction of rotation
c) Both
(a) & (b)
d. None of these
Answer:- b)
To have required direction
of rotation
22. Determine
torque transmitted on
the
pinion shaft if torque transmitted
on gear
shaft is 20 nm consider Gear ratio = 4
a)8nm
b) 5 nm
c) 80 nm
d)16nm
Answer:- b)
5 nm
23. Which
of the following statements
is/are true for gear drives?
a) They
can be used for long center distances
b) They
are used to transmit power between
non-intersecting
and parallel shafts
c) They
cannot be used for high reduction ratios
d) All of
these
Answer:- b)
They are used to transmit power
between
non-intersecting and parallel shaft
24. Which
gears are used to connect two
intersecting shaft axes?
a)
Crossed helical gear
b) Worm
and worm wheel
c) Bevel
gears
d) All of
these
Answer:- c)
Bevel gears
25. What
is meant by gear ratio?
a) The
ratio of pinion speed and gear speed
b) The
ratio of number of teeth on pinion
and
number of teeth on gear
c) Both
(a) & (b)
d) None
of these
Answer:- a)
The ratio of pinion speed and
gear speed
26. What
is the function of hydraulic
motor?
1.
Hydraulic motor converts hydraulic
oil under
pressure into torque and angular
displacement
2. Hydraulic
motor converts hydraulic
oil under pressure into force and linear
displacement
3.
Hydraulic motor converts hydraulic energy
into mechanical energy
4.
Hydraulic motor converts mechanical energy
into
hydraulic energy
a) 1 and
4 b) 1 and 3 c) 2 and 3 d) 2 and 4
Answer:- b)
1 and 3
27. Calculate
area of a pipe if, flow rate is
20 I/min
and flow velocity is 5 cm/s
a) 66.66
cm²
b) 60 cm²
c) 62 cm²
d) None
of these
Answer:- a)
66.66 cm²
28. What
this hydraulic symbol
a) Motor
unidirectional
b) Motor
bidirectional
c) Pump unidirectional
d) Pump
bidirectional
Answer:- a)
Motor unidirectional
29. In
soldering the melting point of filler
metal is
...................
a) Below
420°C
b) Above
420°C
c) Below
520°C
d) Above
520°C
Answer:- b)
Above 420°C
30. The
composition of electrician
solder is
...........
a)
Lead-37%, tin-63%
b)
Lead-50%, tin-50%
c)
Lead-63%, tin-37%
d)
Lead-70%, tin-30%
Answer:- d)
Lead-70%, tin-30%
31. The
composition of soft solder is____
a)
Lead-37%, tin-63%
b)
Lead-50%, tin-50%
c)
Lead-63%, tin-37%
d)
Lead-70%, tin-30%
Answer:- a)
Lead-37%, tin-63%
32. Corrosion
can be prevented by_
a)
Alloying
b)
Tinning
c)
Galvanizing
d) All of
these
Answer:- d)
All of these
33. As
compare to iron, aluminum has ....
a) Higher
tendency to oxidize
b) Less
tendency to oxidize
c) Equal
tendency to oxidize
d) None
of these
Answer:- a)
Higher tendency to oxidize
34. Conditions
for good electroplating
is/are .......
a) High
current density
b) Low
temperature
c) High
concentration of metal in electrolyte
d) All of
these
Answer:- d)
All of these
35. Iron
is galvanized by coating with ...............
a) Zinc
b)Tin
c) Copper
d) Nickel
Answer:- a)
Zinc
36. Which
defect arises due to faulty
heat treatment?
a) Over
heating and burring
b)
Oxidation and decarburization
c)
Cracks, distortion and warping
d) All of
these
Answer:- d)
All of these
37. In
general, hardening is followed by ....
a)
Annealing
b)
Normalizing
c)
Tempering
d) Case
hardening
Answer:- a)
Annealing
38. This
type of fastener is designed to
prevent
movement between shafts and wheels.
a) Keys
b)
Machine pins
c) Rivets
d)
Knuckle
Answer:- a)
Keys
39. A
mechanical device that stores
energy,
when deflected and to return the
equivalent
amount of energy when released
is known
as a ..................
a) Blind
rivet
b) Key
way
c) Spring
d) Hammer
Answer:- c)
Spring
40. Joint
strength in brazing operation is-.
a) As
high as in gas or arc welding
b) Not as
high as in gas or arc welding
c) Higher
than that of in gas or arc welding
d)
Unpredictable
Answer:- b)
Not as high as in gas or arc
welding
41. Which
of the following is a soft solder?
a)
Copper-zinc alloy
b)
Nickel-silver alloy
c)
Lead-tin alloy
d) All of
these
Answer:- c)
Lead-tin alloy
42. Transmission
angle is the angle between
a) Input
link and coupler
b) Input
link and fixed li
c) Output
link and coupler
d) Output
link and fixed
Answer:- c)
Output link and coupler
43. What
this hydraulic symbol means
a)
Directional control valve
(4 ports 12 positions)
b)
Directional control valve
(4 ports /3 positions)
c)
Directional control valve
(5 ports /2 positions)
d) None
of these
Answer:- a)
Directional control valve
(4 ports 12 positions)
44. Module
of a gear is ..............
a) DAT b)
T/D c) 2D/T d) 2T/D
Answer:- b)
T/D
45. When
screw threads are to be used
in a
situation where power is being
transmitted
in one direction only, then
the screw
threads suitable for this will be ....
a) Square
threads
b)
Knuckle threads
c) Acme
threads
d)
Buttress threads
Answer:- d)
Buttress threads
46. Which
of the following material has
the maximum ductility?
a) Mild steel
b) Copper
c)
Aluminium
d) Zinc
Answer:- a)
Mild steel
47. The
sleeve or muff coupling is
designed as a-.
a) Dun
cylinder
b) Solid
shaft
c) Thick
cylinder
d) Hollow
shaft
Answer:- d)
Hollow shaft
48. In a
flange coupling, the flanges are
coupled together by means of_.
a) Studs
b) Bolts
and nuts
c)
Headless taper bolt
d) None
of these
Answer:- b)
Bolts and nuts
49. An
open belt drive is used when ......
a) Driven
shaft is to be started or stopped
whenever
desired without interfering
with the driving
shaft
b) Shafts
are arranged parallel and rotate
in the same directions
c) Shafts
are arranged at right angles and
rotate in one definite direction
d) Shafts
are arranged parallel and rotate
in the opposite directions
Answer:- b)
Shafts are arranged parallel
and rotate in the same
directions
50. When
bevel gears connect two shafts
whose
axes intersect at an angle greater
than a right
angle and one of the bevel gears
has a
pitch angle of 90°, then they are
known as
a)
Internal bevel gears
b)
Angular bevel gears
c) Crown
bevel gears
d) Mitre
gears
Answer:- c)
Crown bevel gears
FITTER
(THEORY)
SEMESTER – 4
Feb 2016
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
Answer: C drilling, reaming, tapping and
other allied operations
itiquestion.blogspot.com
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
Answer: A fuel, oxygen and heat
A master gauge is...........
A 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
Answer: B a standard gauge for checking accuracy of
gauges used on shop floors
itiquestion.blogspot.com
In a 'V belt the angle between the side is....
A 10"
B 20°
C 30°
D 40°
Answer: D 40°
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
Answer: B Rag bolt
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
Answer: A Short crow bar
Which is used to provide a decorative and
corrosion resistant coating on aluminium and
its alloy?
A Galvanizing
B Anodizing
C Tinning
D Cladding
Answer: B Anodizing
itiquestion.blogspot.com
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
Answer: B It can only be engaged when two elements
of the clutch are stationary
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
Answer: B it allows the load to move in three directions
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
Answer: D curvature of the glass tube
In which clutch, the pressure plate is used?
A Multiple plate clutch
B Dog clutch
C Over riding clutch
D Centrifugal clutch
Answer: 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
Answer: B lead and tin
itiquestion.blogspot.com
Aluminium is extracted from the ore
A pyrite
B bauxite
C aluminium oxide
D magnetite
Answer: B bauxite
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
Answer: A dividing head
Helical gears can be cut on which type of
milling machine?
A. Plain
B. Horizontal
C. Universal
D. Drum type
Answer: C. Universal
The carburizing is done on
A high carbon steel
B medium carbon steel
C low carbon steel
D high speed steel
Answer: C low carbon steel
The standard pipe fittingo are provided with
threads conforming with.......
A BA
B BSW
C BSP
D Metric
Answer: C BSP
Which dutch 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
Answer: B Cone clutch
The included angle of a pipe thread is
A 60°
B 47°
C 55°
D 45°
Answer: C 55°
The damaged external threads are rectified
by......
A die nut
B half die
C circular die
D adjustable screw plate die
Answer: A die nut
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
Answer: A Worm and worm wheel
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
Answer: A Rack and pinion
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
Answer: B avoid leakage
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
Answer: C Drill jig
The application of pressure pads in fixtures
is to..........
A increase the shocks
B increase the vibration
C absorb shocks
D increase the weight
Answer: C absorb shocks
itiquestion.blogspot.com
Gears having their teeth element parallel to
the rotating shafts are known as............
A worm gear
B spur gear
C helical gear
D bevel gear
Answer: B spur 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
Answer: A Class A fire
Which metal is used for coating in galvanizing?
A. Lead
B. Brass
C. Zinc
D. Aluminium
Answer: C. Zinc
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
Answer: A Defective washer
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
Answer: C light in weight
itiquestion.blogspot.com
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
Answer: C Oxy-acetylene gas flame
Bronze is an alloy of
A copper and tin
B copper and zinc
C copper, zinc and tin
D zinc and tin
Answer: A copper and tin
itiquestion.blogspot.com
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
Answer: A dedendum
Which one of the following is liquid lubricant?
A Grease
B Molybdenum disulphide
C Synthetic oil
D Wax
Answer: C Synthetic oil
Answer: C Synthetic oil
FITTER THEORY
SEM - IV JAN2017
The general ratio of mixture of soluble with water is .......
(b) 1:10 (c) 1:15(d) 1:20
Solid lubricant is .......
Choose the correct answers:
(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
5. 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 dissolving any oxide already present
d) To make the final joint clean
Process chart shows
a) Operation to be used
b) Sequence of operations
c) Worker's name
d) Inspection method
Fixture is used for
a) To hold the job
c) To locate the job
b) To hold and locate the job (d) d) None of these
Which jig used for location in bore?
a) Solid Jig
b) Box Jig
c) Plate Jig
d) Post Jig
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) Lüler Bush
b) Guide Bush
c) Jig plate
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) Setting Block
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 c
b) Less than 450 C
c) At 1000 c
Soft soldering is done at the temperature of
(a) More than 450 Oc (b) than 450 Oc (c) At Oc (d) At 1500 c
(d) At 1500 Oc
450 O O O
34. Filler material used for brazing is an alloy of
(a) Copper andLead (b) Copper and Tin (c) Copper and Zinc and Lead
(a) Air receiver (b) Compressor
36. Gum Metal is an alloy of (c) Valve (d) Muffler
35. The power source in pneumatic system is
(a) Copper Zinc and Nickel
(c) Copper Lead and Zinc (b) Copper Tin and Zinc
(d) Copper Lead and Nickel
37. Bearing bushes are made up of
(a) Brass (b) White Metal (c) Gun Metal (d) Copper
38. 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
(a) Copper (b) Zinc
40. Chain slings are used for (c) Lead (d) Aluminium
39. 95% Metal available in Duralumin and Hindelium is
(a) Light loads (b) Heavy loads (c) Medium loads (d) None of these
41. Fastening of one part of rope to other poet of rope is known as -
(a) Loop (b) Bight (c) Knot (d) Round turn
Booklet Series -D
42. 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
43. Clutch used to transmit less power is
(a) Plate Clutch (b) Cone Clutch (c) Dog Clutch (d) Centrifugal Clutch
44. 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
45. 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
46. Depth of tooth space below the pitch circle in a gear is known as
(a) Deddendum (b) Addendum (c) Crest (d) Root
47. Belt drive used with jockey pulley is
(a) Open belt drive (b) Cross belt drive (c) Right angle drive (d) Quarter twist drive
Booklet Series -D
48. Face of rim of pulley is made convex. It is called
(a) Crackness (b) Effective Diameter
(c) Flank (d) Crowning
49. Which galvanizing is providing a protective coating on mild steel?
(a) Zinc (b) Lead
50. Which metal is suitable for anodizing?
(a) Copper (b) Nickel
(c) Tin (d) Aluminium
(c) Aluminium (d) Iron
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