TURNING THREADS - Practice Mode

1) Which diameter is used for specifying a thread?

Root diameter Pitch diameter Major diameter Minor diameter

Correct Answer: Major diameter

2) Which is the measuring instrument used for measuring screw thread?

Screw thread micrometer Vernier caliper Vernier height gauge Vernier bevel protractor

Correct Answer: Screw thread micrometer

3) What is the term used to indicate the angle of inclination of thread to the imaginary perpendicular line?

Helix angle Thread angle Pressure angle Clearance angle

Correct Answer: Helix angle

4) What is known as the hand of a thread?

Lead Thread angle Number of start Direction of advance

Correct Answer: Direction of advance

5) What does it mean a thread is turning clockwise to advance?

It is a fine thread It is a coarse thread It is a left hand thread It is a right hand thread

Correct Answer: It is a right hand thread

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