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ISRO Technician-B
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ISRO Technician-B Plumber 2019
27

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

27) Among the tools listed below, the ideal tool to tighten an HSH screw is

Allen key

Crowfoot spanner

Screw driver

Box spanner

Answer is:

Allen key

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

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

28) An M12 bolt has

Millimeter thread

ISO metric thread

Square thread

None of these

Answer is:

ISO metric thread

29) For an M12 x 1.75 bolt with single start thread, how many threads will be engaged if the bolt is inserted through a length of 35 mm?

20

12

17

18

Answer is:

20

30) For a double-start thread

Lead is twice the pitch

Pitch is twice the lead

There are two threads at the start and one thread thereafter

None of the above

Answer is:

Lead is twice the pitch

31) Bolts A and B are both M12 x 1. Bolt A is of 10.9 grade and Bolt B is of 12.9 grade. Which of the following statements is/are true?

Bolt A has higher yield strength than Bolt B

Bolt A has higher load-carrying capacity than Bolt B

All of the above

None of the above

Answer is:

None of the above

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

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