1) Which one of the following is not the reason for an accident?
Improper use of tools
Unawareness of danger
Using gloves
Negligence
Correct answer
Using gloves
2) following represents Electric shock...
3) identify the Die name –
An older split die, with top adjusting screw
One piece die with top adjusting screw
Two dies with side adjusting screws
One piece die with a top adjusting screw (barely visible on the full image)
Correct answer
An older split die, with top adjusting screw
4) …………….is used for checking the height and parallelism of jobs.
Angle gauge
Fixed type
Universal surface gauge
Surface gauges
Correct answer
Universal surface gauge
5) Which hammer is used for riveting?
Engineer’s hammer
Cross pein hammer
Plastic hammer
Sledge hammer
Correct answer
Cross pein hammer
6) Killed steel is opposite ……………. of steel.
Carbon
Alloy
Rimmed
None of these
Correct answer
Rimmed
7) Which metal is used to make a surface plate?
Mild steel
High carbon steel
High-speed steel
Cast iron
Correct answer
Cast iron
8) The least count of a vernier bevel protractors …….
1°
5°
5’
1’
Correct answer
5’
9) The part of a vernier bevel protractor which is normally used as a references base for measuring an angle is the -
Disc
Main scale
Stock
Blade
Correct answer
Stock
10) The tap used to cut threads in a blind hole is -
Taper Tap
Second tap
Bottoming Tap
Anyone of these
Correct answer
Bottoming Tap
11) The part of a vernier bevel protractor, which comes in contact with the inclined surface while measuring, is the -
Dial
Stock
Blade
Disc
Correct answer
Blade
12) The value of each division of the main scale of a vernier bevel protractor is -
1° 5’
1°
1° 55’
5’
Correct answer
1°
13) The charge is fed into the blast furnace through the -
Throat
Tuyers
Bosh
Stack
Correct answer
Throat
14) Pig Iron contains …………. % iron.
90
80
70
95
Correct answer
90
15) Property of wrought iron is decided by ............
Magnesium and Manganese
Carbon and Manganese
Carbon and Magnesium
Aluminium and Carbon
Correct answer
Carbon and Manganese
16) The algebraic difference between the minimum limit and the basic size is called ..................
Fundamental deviation
Lower deviation
Upper deviation
Actual deviation
Correct answer
Lower deviation
17) Jenny Caliper is used to .............
for finding the angles
for finding the center of round bar
For finding the external of round bar
For finding the internal round bar.
Correct answer
for finding the center of round bar
18) A set of number drill series consists of drills in a particular range. Indicate the correct range -
1 to 50
1 to 80
1 to 100
1 to 40
Correct answer
1 to 80
19) In the number drill series, the smallest drill size is -
0.1 mm
0.35 mm
0.52 mm
0.5 mm
Correct answer
0.35 mm
20) In the coatings of electrodes for welding mild and low-alloy steels is used to provide the gaseous shield with reducing agent.
Titanium dioxide
Ferromanganese and ferrosilicon
Metal carbonates
Cellulose
Correct answer
Cellulose
21) In the coatings of electrodes for welding mild and low-alloy steels ............... is used to help form a high fluid but quick-freezing slag. It will also provide ionization for the arc.
Ferromanganese and ferrosilicon
Calcium fluoride
Titanium dioxide
Clays and gums
Correct answer
Titanium dioxide
22) In the letter drill series, the largest drill size is equal to -
10.32 mm
10.490 mm
12.01 mm
15.00 mm
Correct answer
10.490 mm
23) The difference between the maximum limit of size and the minimum limit of size is called -
Upper deviation
Tolerance
Lower deviation
Actual size
Correct answer
Tolerance
24) The size based on which the dimensional deviations are given is called -
The minimum limit of size
Maximum limit of size
Basic size
Actual size
Correct answer
Basic size
25) Soft metal particles that clogged in the pores of the grinding wheel is called -
Trying
Glazing
Dressing
Loading
Correct answer
Loading
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