1) If a patient does not respond to mouth to mouth resuscitation treat, a first-aider should immediately.
Check pupils of eyes and pulse
Check the broken limbs
Seek medical help
Keep the body warm with blankets
Correct answer
Seek medical help
2) Which type of chisel is used for cutting keyways, groove, and slots?
Diamond point chisel
Flat Chisel
Half round nose chisel
Crosscut chisel
Correct answer
Flat Chisel
3) The property of metal by which it can be drawn into thin wire .........................
Malleability
Elasticity
Plasticity
Ductility
Correct answer
Ductility
4) The convexity of file helps ................
To prevent rounding of edges of work.
To file convex surface
To file concave surface
The file to become straight when pressure is applied.
Correct answer
To prevent rounding of edges of work.
5) The drilling machine used for light duty work .........................
Pillar type
Gang
Bench type sensitive
Radial
Correct answer
Bench type sensitive
6) The recommended point angle of the chisel to cut mild steel is .......................
55°
60°
30°
45°
Correct answer
45°
7) Which grade of the file is used for removing rapidly a large quantity of metal?
Dead smooth file
Rough file
Smooth file
Second cut file
Correct answer
Rough file
8) A slight convexity is given in the cutting edge of the flat chisel is to ...................
Prevent digging of the ends
Cut keyway on the shaft
Cut sharp corners
Cut curved surface
Correct answer
Prevent digging of the ends
9) The purpose of tempering a hardened steel component is for ......................
Increasing its hardness
Increasing its ductility
Increasing its toughness
Reducing its brittleness
Correct answer
Increasing its toughness
10) The number of graduations on the thimble of a metric micrometer ........................
100
1000
10
50
Correct answer
50
11) Which one of the marking media takes a longer time to dry?
Prussian blue
Copper sulphate
Chalk powder
Cellulose lacquer
Correct answer
Prussian blue
12) The important elements in soft solder are ..................
Lead and zinc
Tin and lead
Tin and copper
Tin and zinc
Correct answer
Tin and lead
13) The size of the dividers is specified by the ...........................
The total length of the legs
The distance between points when opened fully
Length of the legs without points
The distance between the pivot and the points
Correct answer
The distance between points when opened fully
14) Try square is used to ................
Check the round surface
Check the irregular surface
Check the groove surface
Check the flat surface
Correct answer
Check the flat surface
15) The value of one thimble scale division in a micrometer is .....................
1 mm
0.02 mm
0.5 mm
0.01 mm
Correct answer
0.01 mm
16) Diluted Hydrochloric acid is used as a flux for soldering ........................
Stainless steel sheets
Copper sheets
Galvanized iron sheets
Brass sheets
Correct answer
Brass sheets
17) Least count of the micrometer is ................
0.1 mm
0.5 mm
0.2 mm
0.01 mm
Correct answer
0.01 mm
18) What is the part used to change the range of depth micrometer?
Extension rod
Graduated sleeve
Stock
Thimble
Correct answer
Extension rod
19) Which work holding devices support the round job while drilling the job on a drilling machine?
The pin vice with clamp, bolts
‘V block and clamps, bolts, packing the piece
The hand vice with clamps, bolts.
The machine vice and bolts, packing the piece
Correct answer
‘V block and clamps, bolts, packing the piece
20) The best placement of the stock for heating in the forge is ...................
Below the tuyere with the fire coming from deep inside
Near the tuyere allowing the air to fall directly on the Stock
Away from the tuyere with a thick layer of coal on the top
On the top of the fire covered with a thin layer of coal
Correct answer
Near the tuyere allowing the air to fall directly on the Stock
21) The micrometer is based on the principle of ..................
Nut and bolt
Differences between the two scales
Rack and pinion
None of these
Correct answer
Nut and bolt
22) Vernier caliper can be used to measure ..................
Outer dia of a hole
Inner dia of a hole
The depth of a blind hole
All of these
Correct answer
All of these
23) After the hardening process, the metal becomes more ....................
Malleable
Ductile
Tough
Brittle
Correct answer
Brittle
24) Which hammer is used for sheet metal work?
Soft hammer (wood)
Sledgehammer
Cross pein hammer
Ball pein hammer
Correct answer
Soft hammer (wood)
25) The drill chuck is used to hold ...............
Straight shank drill
Taper shank drill
Arbor
Drill socket
Correct answer
Straight shank drill
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