14) A rod of 1000 mm length has elongated by 5 mm. What is the strain in the rod?

0.5

995

1005

0.005

Answer is:

0.005

ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key

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15) Which one is the most ductile material?

Mild steel

Cast iron

Glass

Tool steel

Answer is:

Mild steel

Explanation:

Ductility: Ductility is the property by which a metal can be drawn into thin wires. It is determined by percentage elongation and percentage reduction in area of a metal.
Mild Steel has maximum ductility.

16) Which one is the hardest pencil?

Answer is:

2H

17) Position tolerance is given to control the deviation in the _____ of a product.

shape of the product

manufacturing process

location of a feature

orientation of a feature

Answer is:

location of a feature

18) Shaft having their axes parallel but not in alignment are coupled using

Universal coupling

Flexible coupling

Oldhams coupling

Flanged coupling

Answer is:

Oldhams coupling

ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key

For more MCQ's Click Here

14) A rod of 1000 mm length has elongated by 5 mm. What is the strain in the rod?

0.005

ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key

Related ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key

15) Which one is the most ductile material?

Mild steel

16) Which one is the hardest pencil?

2H

17) Position tolerance is given to control the deviation in the _____ of a product.

location of a feature

18) Shaft having their axes parallel but not in alignment are coupled using

Oldhams coupling

ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key