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 protects 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
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
a) Step turning
b) Boring
c) Taper turning
d) Thread cutting
Which of the following protects 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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