12) A gear wheel has 36 teeth & 3mm module, its pitch diameter is

12mm

75mm

80mm

108mm

Answer is:

108mm

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

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13) Divide 0.018 by 0.003

0.6

1.8

Answer is:

6

14) Main purpose of using worm & worm wheel drives in machine and the accessories is to

Transmit large torque

Provide large speed reduction from worm shaft to worm wheel

Transmit higher speed

Provide large speed reduction from worm wheel to worm shaft

Answer is:

Provide large speed reduction from worm shaft to worm wheel

15) The tooth thickness of a rack is measured by

Universal Vernier caliper

Flange Micrometer

Gear tooth Vernier caliper

Gear tester

Answer is:

Gear tooth Vernier caliper

16) A shaft is turned in one finish cut. Which one of the following parameter will directly influence the machining time?

Cutting depth

Setting angle

Diameter of work piece

Tool travel distance

Answer is:

Tool travel distance

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

For more MCQ's Click Here

12) A gear wheel has 36 teeth & 3mm module, its pitch diameter is

108mm

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

Related ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

13) Divide 0.018 by 0.003

6

14) Main purpose of using worm & worm wheel drives in machine and the accessories is to

Provide large speed reduction from worm shaft to worm wheel

15) The tooth thickness of a rack is measured by

Gear tooth Vernier caliper

16) A shaft is turned in one finish cut. Which one of the following parameter will directly influence the machining time?

Tool travel distance

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key