10) Best wire size is the one which, when placed in the thread groove will make contact at

minor diameter

major diameter

pitch diameter

trough of the thread

Answer is:

pitch diameter

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

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11) Rate of feed in drilling depends on

finish required

type of drill material

Material to be drilled

All of the above

Answer is:

All of the above

12) Drills may be overheated if

Cooling is ineffective

drill is not sharp

Clearance angle is incorrect

Any of the above

Answer is:

Any of the above

13) Which of the following statement is not true about Knurling operation ?

Knurling operation to be done at high speeds

Knurling operation is a forming operation

Knurling is done on a workpiece for gripping and good appearance

Diamond knurling is one type of knurling pattern

Answer is:

Knurling operation to be done at high speeds

14) The hand reamer is guided into the hole by a

Short bevel lead

Long taper lead

Straight flutes

Square end

Answer is:

Long taper lead

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

For more MCQ's Click Here

10) Best wire size is the one which, when placed in the thread groove will make contact at

pitch diameter

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

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

11) Rate of feed in drilling depends on

All of the above

12) Drills may be overheated if

Any of the above

13) Which of the following statement is not true about Knurling operation ?

Knurling operation to be done at high speeds

14) The hand reamer is guided into the hole by a

Long taper lead

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