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

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

For more MCQ's Click Here

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

17) Convert 4/5 into decimal

0.5

0.4

0.8

0.6

Answer is:

0.8

18) Which is the function of steady rest?

To prevent bending of long shaft due to cutting force

To avoid load on the lathe center while turning

To reduce the load on the cutting tool while turning

To enable to turn at high cutting speed

Answer is:

To prevent bending of long shaft due to cutting force

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

For more MCQ's Click Here

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

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

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

17) Convert 4/5 into decimal

0.8

18) Which is the function of steady rest?

To prevent bending of long shaft due to cutting force

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