1 mm is equal to

6) Lock nut in the micrometer is provided to

control the movement of the spindle

lock the reading after setting it over the work piece

Measure the work piece accurately

lock the micrometer when it is not in use

Answer is:

lock the reading after setting it over the work piece

Explanation:

The lock nut is simply a quarter turn nut that locks the spindle from turning. The sleeve contains the scale which is used to determine the measurement and the internal threads which allow the spindle to move.

7) Taper ring gauge is used to measure

Answer is:

External taper

Explanation:

8) Left hand thread means

Thread advances as bolt is rotated clockwise

Thread advances as bolt is rotated anticlockwise

Bolt has to be tightened by left hand only

None of the above

Answer is:

Thread advances as bolt is rotated anticlockwise

Explanation:

9) Lead of M8 x 1 bolt which is having 3 multi start thread is

Answer is:

3 mm

Explanation:

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1 mm is equal to

1000 microns

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Related ISRO Technician-B Turner Question Paper - 2019 (Set-1) with Answer Key

6) Lock nut in the micrometer is provided to

lock the reading after setting it over the work piece

7) Taper ring gauge is used to measure

External taper

8) Left hand thread means

Thread advances as bolt is rotated anticlockwise

9) Lead of M8 x 1 bolt which is having 3 multi start thread is

3 mm

For More ISRO Technician-B Turner Question Paper - 2019 (Set-1) with Answer Key