1) Name the part marked ‘X’ of a four jaw chuck.
Chuck body
Clamping piece
Jaw
T - slot
Correct answer
Jaw
2) Benefits of the 5S systems are ..................
decrease the production rate
increase productivity
increase the cleanliness
maintain the production rate
Correct answer
increase productivity
3) In which gauge GO and NO GO comes in the same end?
Snap gauge
Depth gauge
Progressive gauge
Double ended plug gauge
Correct answer
Progressive gauge
4) The lathe part which is used to hold the drill is ..............
spindle
tool post
headstock
tailstock
Correct answer
tailstock
5) The formula to calculate the cutting speed is ...............
6) Sine bar is specified by ................
its total length
the center distance between the two rollers
the distance between rollers and the upper surface
the size of the rollers
Correct answer
the center distance between the two rollers
7) Name the material commonly used for thicker walled bearing bushes carrying hardened steel shafts.
Phosphor bronze
Brass
Copper
Aluminum
Correct answer
Phosphor bronze
8) Tempering is the process of removing the property of ..........
toughness
ductility
brittleness
malleability
Correct answer
brittleness
9) The number of pieces in a standard set of angle slip gauge in the second series is ...........
3
4
5
6
Correct answer
3
10) Sine bar is made out of .............
nickel steel
high carbon steel
stabilized chromium steel
high-speed steel
Correct answer
stabilized chromium steel
11) The figure shows the setup of a sine bar for taper angle checking. Name the item marked ‘X’ in the figure.
Slip gauges
Job
Stopper
Sine bar
Correct answer
Slip gauges
12) Which type of bearing is intended to carry radial loads?
Ball bearing
Tapered roller bearing
Thrust ball bearing
Roller bearing
Correct answer
Roller bearing
13) Name the bearing shown in the figure.
Thrust bearing
Roller bearing
Needle bearing
Ball bearing
Correct answer
Needle bearing
14) Which type of nut will have a nylon or fiber ring insert placed in the upper part of the nut?
Sawn nut
Self-locking nut
Grooved nut
Wire lock
Correct answer
Self-locking nut
15) Name the type of cutting action shown in the figure.
Chamfer cutting
Orthogonal cutting
Plain cutting
Oblique cutting
Correct answer
Oblique cutting
16) The purpose of grooves given on the lapping plate is for .............
reducing friction
preventing distortion of the plate
retaining lapping paste
collecting the metal chips
Correct answer
retaining lapping paste
17) The abrasive used for honing of non - ferrous metal is ..........
aluminium oxide
silicon carbide
boron carbide
diamond
Correct answer
silicon carbide
18) Which type of nut prevents the rotation of the top nut?
Lock Nut
Grooved nut
Self - locking nut
Sawn nut
Correct answer
Lock Nut
19) Name the plate marked ‘X’ shown in the figure.
Gauge plate
Snap gauge
Forming plate
Template
Correct answer
Template
20) In the number drill series, the number 80 drill size is .........
0.258”
0.228”
0. 0135”
0. 1035”
Correct answer
0. 0135”
21) In the letter drill series, the size of the drill ‘A’ is equal to ...........
0.234”
0.264”
0.431”
0.413”
Correct answer
0.234”
22) While normalizing, the component should be cooled ...............
by quenching in oil
in still air to room temperature
by dipping in water
by forced air
Correct answer
in still air to room temperature
23) The form tool method of turning taper is suitable for ..................
lengthy jobs with slow tapers
any length of work
short and slow angle
very short at any angle
Correct answer
very short at any angle
24) The number of threads per inch can be checked with a ...............
screw pitch gauge
metric rule
ring gauge
tool gauge
Correct answer
screw pitch gauge
25) A tool which is used to enlarge a drilled hole is called ..............
facing tool
boring tool
ring hand turning tool
form tool
Correct answer
boring tool
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