THREAD CUTTING - Practice Mode

1) Which one of the following factor greatly causes to reduce tool life?

Cutting speed Feed Depth of cut Material

Correct Answer: Cutting speed

2) What is the purpose of using thread micrometer?

Measure effective diameter Measure minor diameter Measure major diameter Measure pitch of the thread

Correct Answer: Measure effective diameter

3) How metric chasing dial differ from British chasing dial?

Same as British chasing dial One worm wheel and different dial One worm wheel and one dial More than one worm wheel and different dial

Correct Answer: More than one worm wheel and different dial

4) How many teeth are in translating gear for cutting metric thread on British lathe?

122 125 127 129

Correct Answer: 127

Explanation:

Power is the rate of doing work or workdone per unit time. In S.I. system of units, the unit of power is watt (briefly written as W) which is equal to 1 N-m/s or 1 J/s.

Generally a bigger unit of power called kilowatt (briefly written as kW) is used which is equal to 1000 W.

5) What is the depth of cut for 10TPI BSW thread?

0.6403 x 1/10 Inch 0.6134 x 1/10 Inch 0.6304 x 1/10 Inch 0.6314 x 1/10 Inch

Correct Answer: 0.6403 x 1/10 Inch

Explanation:

Energy is defined as the capacity to do work.

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