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ISRO Draughtsman-B
Mechanical
ISRO Draughtsman-B Mechanical 2016
40

ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key

40) Tempering in steel is done to

increase toughness

refine grain size

to improve machinability

increase wear resistance

Answer is:

increase toughness

ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key

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41) In an open belt drive, the tight and slack side of the belt loads are 2000 N and 1000 N respectively. The belt speed is 120 m/min. The power in Watts transmitted by the system is

1000

2000

3000

2.66

Answer is:

2000

42) A Cube of side 10 cm has a square through hold of 5 cm size at its centre. What is the mass of the cube if the density of the material is 5 gm/cc? g=10 m/square second.

375 gm

100000 gm

3750 gm

37500 gm

Answer is:

3750 gm

43) Which of the following belt is used for low power transmission?

Flat belt

Round belt

Vee belt

Multi grooved belt

Answer is:

Round belt

44) For a cross belt drive, what will be the direction of rotation of driver and driven pulleys?

In same direction

In opposite direction

Vertical rotation in driveer and horizontal rotation in driven pulley

Horizontal rotation in driver and vertical rotation in driven pulley

Answer is:

In opposite direction

For a cross belt drive, what will be the direction of rotation of driver and driven pulleys?

ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key

For more MCQ's Click Here

40) Tempering in steel is done to

increase toughness

ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key

Related ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key

41) In an open belt drive, the tight and slack side of the belt loads are 2000 N and 1000 N respectively. The belt speed is 120 m/min. The power in Watts transmitted by the system is

2000

42) A Cube of side 10 cm has a square through hold of 5 cm size at its centre. What is the mass of the cube if the density of the material is 5 gm/cc? g=10 m/square second.

3750 gm

43) Which of the following belt is used for low power transmission?

Round belt

44) For a cross belt drive, what will be the direction of rotation of driver and driven pulleys?

In opposite direction

ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key