1) What is the name of the process?
L.D process
Electric process
Open hearth process
Bessemer process
Correct answer
Bessemer process
2) Which type of thread is used in screw jack?
Acme thread
Square thread
Vee thread
Knuckle thread
Correct answer
Square thread
3) What is the product obtained from blast furnace?
pig iron
Wrought iron
Malleable iron
Cast iron
Correct answer
pig iron
4) Which metal is used to manufacture magnets, ball bearing and cutting tool?
Cadmium
Molybdenum
Vanadium
Cobalt
Correct answer
Cobalt
5) How much copper contains in pyrites ore?
50%
15%
45%
32%
Correct answer
15%
6) Which metal is resistant to many types of acids?
Nickel
Lead
Tin
Chromium
Correct answer
Nickel
7) What is the least count of vernier micrometer?
0.01 mm
0.02 mm
0.001 mm
0.002 mm
Correct answer
0.001 mm
8) What is name of the tool?
Flat scraper
Hook scraper
Three square scraper
Half round scraper
Correct answer
Flat scraper
9) How chipped out scraper can be repaired?
Chiselling
Lapping
Filing
Grinding or horning
Correct answer
Grinding or horning
10) What is reading of vernier micrometer?
9.923 mm
9.963 mm
9.563 mm
9.763 mm
Correct answer
9.963 mm
11) Which instrument is used to measure the effective diameter of screw threads?
Screw thread caliper gauge
Screw thread micrometer
Outside micrometer
Screw pitch gauge
Correct answer
Screw thread micrometer
12) What is the name of part marked 'x' in dial gauge?
Anvil
Stem
Plunger
Pointer
Correct answer
Plunger
13) What is the use of telescopic gauge?
Measure the external dimension
Measure the angular dimension
Measure the size of holes, slots
Measure depth
Correct answer
Measure the size of holes, slots
14) Which gauge is used to check the internal thread?
Taper plug gauge
Thread ring gauge
Radius gauge
Thread plug gauge
Correct answer
Thread plug gauge
15) Why the Go-end is made longer than No-Go end of limit gauges?
Easy handling
Easy measuring
Fast inspection
Easy identification
Correct answer
Easy identification
16) What is the name of the lubrication method?
Ring oiler
Splash lubrication
Pressure grease gun
Wick feed
Correct answer
Wick feed
17) What is the name of the device?
Hollow mandrel
Block spirit
Solid mandrel
Straight edge
Correct answer
Straight edge
18) Which method is suitable to remove the broken stud very near to the surface?
Prick punch method
Making drill hole
Using square taper punch
Ezy out method
Correct answer
Prick punch method
19) What is the name of the lathe specification of marked 'x'?
The diameter of work (Swing)
Length of the bed
Centre height of lathe
Length between center
Correct answer
Length between center
20) What is the name of the part marked 'X' in the lathe carriage?
Tool post
Compound rest
Saddle lock
Cross slide
Correct answer
Compound rest
21) What is the merit of the three jaw chuck in the lathe machine?
Only round and hexagonal components can be held
Accuracy decreases as chuck gets worn out
Run out cannot be corrected
Work can be set with ease
Correct answer
Work can be set with ease
22) What is the name of the part marked 'x'?
Body
Back plate
Scroll Plate
External jaw
Correct answer
Scroll Plate
23) What is the de-merit of the four jaw chuck?
Jaws are reversible
Irregular shape job can be hold
Heavy cuts can be given
Small and finished work will be damaged
Correct answer
Small and finished work will be damaged
24) Which type of rake angle make slope from the front towards back of the tool?
Negative rake angle
End rake angle
The positive top rake angle
Side rake angle
Correct answer
The positive top rake angle
25) What will be the effect, if the carriage is not locked while facing?
Correct face
Convex face
Concave face
Pip left in the center
Correct answer
Convex face
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