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ISRO Draughtsman-B
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ISRO Draughtsman-B Mechanical 2019
40

ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

40) An Allen bolt is

Self-locking bolt

Provided with hexagonal depression in head

High speed bolt

Provided with counter sunk head

Answer is:

Provided with hexagonal depression in head

An Allen bolt is

ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

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Related ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

41) Which one of the following is represented by thin continuous line?

Hatching lines

Hidden lines

Centre lines

Visible out line

Answer is:

Hatching lines

42) A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 Years. The sum is

Rs. 650

Rs. 690

Rs. 698

Rs. 700

Answer is:

Rs. 698

43) The cutting edge of a chisel should be

hardened

tempered

hardened and tempered

case hardened

Answer is:

hardened and tempered

44) The main purpose of boring operation is to

drill a hole

ream the drilled hole

enlarge the existing hole

none of the above

Answer is:

enlarge the existing hole

ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

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