1) Vernier Calipers' inventor 'Pierre Vernier' hailed from which of the following country?
Italy
Germany
France
None of these
Correct answer
France
2) In the Normalising process, hot steel is made cool by following
By immersing it in water
By leaving it in cold air
By immersing it in oil
By keeping it in still air at room temperature
Correct answer
By keeping it in still air at room temperature
3) Bent snip is used for
For making the hole on the sheet
For cutting sheet with curved lines
For bending sheet
For removing burr
Correct answer
For cutting sheet with curved lines
4) Which rivet is appropriate for the riveting of soft metal like leather, plastic, etc.
Pan head rivet
Snap head rivet
Divided or bifurcated rivet
Countersunk head rivet
Correct answer
Divided or bifurcated rivet
5) Which vice is used in the forging shop?
Pin vice
Leg vice
Bench vice
Hand vice
Correct answer
Leg vice
6) Type of device or instrument the caliper is?
Direct measuring instrument
Indirect measuring instrument
Both (a) & (b)
None of these
Correct answer
Indirect measuring instrument
7) Which is the most conductive metal of electricity?
Copper
Iron
Gold
Aluminum
Correct answer
Gold
8) The forging of cast iron is not possible due to which property?
Softness
Brittleness
Ductility
None of these
Correct answer
Brittleness
9) Power hammer mostly operated by which of the following
By hand
By electricity
Both (a) & (b)
None of these
Correct answer
By electricity
10) What happens by increasing the amount of carbon in steel?
Rigidity increases
Rigidity decreases
Ductility increases
Hardness increases
Correct answer
Rigidity decreases
11) The filing of wood, rubber etc. is done by which of the following file?
Single cut file
Double cut file
Curved file
Rasp cut file
Correct answer
Rasp cut file
12) Where the hatchet stake is used?
For riveting
For making flange
For folding sheets
None of these
Correct answer
For folding sheets
13) Pinning of the file is removed by
File card
Dresser
File handle
Wire brush
Correct answer
File card
14) Why soft jaws are used in the vice?
To protect the jaws of the vice
To protect the finished surface
To protect the file
To hold the job more strongly
Correct answer
To protect the finished surface
15). …………………….. should be intended before marking.
Parameter point
Reference point
Internal point
Centre point
Correct answer
Reference point
16) Which of the following is not related to marking media?
Layout Die
Prussian Blue
Surface Plate
None of these
Correct answer
Surface Plate
17) ………………………………… marking media takes too much time to get dry and it makes clear lines.
Prussian Blue
Chalk powder
Copper sulphate
None of these
Correct answer
Prussian Blue
18) Maximum keys are made up of
High-speed steel
Cast iron
Mild steel
Pig iron
Correct answer
Mild steel
19) There is the negative error, 0.03 mm in any micrometer. If the micrometer gives the reading of 40.53 mm, then what will be the accurate readings?
40.23 Millimeter
40.83 Millimeter
40.56 Millimeter
40.50 Millimeter
Correct answer
40.56 Millimeter
20) With the help of Vernier Bevel Protractor, any angle can measure up to the accuracy of the ……………………………. of 1°.
10th Part
4th Part
9th Part
12th Part
Correct answer
12th Part
21) While marking from Vernier height gauge, it should be moved by holding its base in such a way that:
The base of the offset scriber should be parallel to the surface plate
Zero error or main scale should check
The main scale should bend
The main scale should not bend
Correct answer
The main scale should not bend
22) Cyaniding and Nitriding are the two methods of which of the following process?
Hardening
Normalizing
Tempering
Case Hardening
Correct answer
Hardening
23) Zinc coated sheet is known as …………………….
Lead sheet
Stainless. steel
Galvanized iron sheet
Tin coated sheet
Correct answer
Galvanized iron sheet
24) Which tool is used to cut an excessive thick sheet?
Snip
Shear
Hem
None of these
Correct answer
Shear
25) Which of the following stakes gives double-ended support?
Hatchet stake
Horse stake
Half-moon stake
Creasing iron stake
Correct answer
Horse stake
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