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ISRO Technician-B Turner 2017
18

ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

18) Which of the following process squeezes material into peaks and troughs with plastic deformation?

Grooving

Knurling

Reaming

Boring

Answer is:

Knurling

Explanation:

The operation of producing patterns on cylindrical external surface by pressing a tool is known as Knurling.

Which of the following process squeezes material into peaks and troughs with plastic deformation?

ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

19) Which of the following is not a constituent of plain carbon steel in annealed condition?

Pearlite

Martensite

Ferrite

Cementite

Answer is:

Martensite

20) What is the percentage of carbon in mild steel?

Less than 0.3%

Less than 2% but more than 0.3%

More than 2%

None of the above

Answer is:

Less than 0.3%

21) Which of the following is not a measuring instrument?

Hermaphrodite Calipers

Steel rule

Micrometer

Vernier Calipers

Answer is:

Hermaphrodite Calipers

22) Which is a forging tool?

Taper

Round file

HSS tool

Fuller

Answer is:

Fuller

ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

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