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

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

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 ?

23) Which one of the following statements is correct with respect to the spiral fluted taps ?

Answer is:

Used to tap holes with slots

Explanation:

Spiral fluted taps are used to tap holes with slots.

Which one of the following statements is correct with respect to the spiral fluted taps ?

24) The shape of the frame of thread snap gauge is in the form of :

Answer is:

'C' type

Explanation:

The shape of the frame of thread snap gauge is in the form of 'C' type

The shape of the frame of thread snap gauge is in the form of :

25) The shape of the thread in the NOT GO end of a thread snap gauge is :

Answer is:

Truncated

Explanation:

The shape of the thread in the NOT GO end of a thread snap gauge is truncated, which means length of NOT GO end is shorter than GO end.

The shape of the thread in the NOT GO end of a thread snap gauge is :