119) The operation of threading a drilled hole is called

Answer is:

Tapping

The operation of threading a drilled hole is called

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120) A fluted tool used to cut internal threads is called

Answer is:

Tap

121) Tail stock centres which do not revolve with the workpiece are known as

Answer is:

Dead centres

Explanation:

Revolving Centres are Frictionless. Used for supporting heavy jobs and jobs revolving with high speeds. A high-speed steel inserted centre is supported by two bearings housed in a body. It is also called the revolving dead centre.

Tail stock centres which do not revolve with the workpiece are known as

122) Hand tapping is an operation for generation of internal threads. The number of taps generally used for hand tapping are

Answer is:

3

123) Too low feed rate in a milling operation would

Answer is:

Cause the cutter to rub and scrap the surface of the work

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119) The operation of threading a drilled hole is called

Tapping

Manufacturing Technology MCQ with Answers

Related Manufacturing Technology MCQ with Answers

120) A fluted tool used to cut internal threads is called

Tap

121) Tail stock centres which do not revolve with the workpiece are known as

Dead centres

122) Hand tapping is an operation for generation of internal threads. The number of taps generally used for hand tapping are

3

123) Too low feed rate in a milling operation would

Cause the cutter to rub and scrap the surface of the work

Manufacturing Technology MCQ with Answers