Screw Threads MCQ - Machinist(Set-1) with Answers

18) Which one of the following threads is used on mechanical jack ?

Answer is:

Square

Explanation:

Square threads are used for transmitting motion or power. Eg. screw jack, vice handles, cross-slide and compound slide, activating screwed shafts.

Which one of the following threads is used on mechanical jack ?

Screw Threads MCQ - Machinist(Set-1) with Answers

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Related Screw Threads MCQ - Machinist(Set-1) with Answers

19) Screw threads are produced without metal removing by a process called :

Answer is:

Thread rolling

Explanation:

Screw threads are produced without metal removing by a process called thread rolling.

Screw threads are produced without metal removing by a process called :

20) Which one of the following thread forms on bolts and nuts is meant for general fastening purposes ?

Answer is:

'V' threads

Explanation:

"v" threads are used for general fastening purposes.

Which one of the following thread forms on bolts and nuts is meant for general fastening purposes ?

21) Which one of the following screw thread elements is not checked with thread ring gauge ?

Answer is:

Pitch diameter

Explanation:

Pitch diameter is not checked with thread ring gauge.

Which one of the following screw thread elements is not checked with thread ring gauge ?

22) Which one of the following elements of an external screw thread cannot be measured directly with precision instruments ?

Answer is:

Pitch diameter

Which one of the following elements of an external screw thread cannot be measured directly with precision instruments ?

Screw Threads MCQ - Machinist(Set-1) with Answers

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