Lathe MCQ - Machinist(Set-1) with Answers

Lathe MCQ - Machinist(Set-1) with Answers

86) The special gear of 127 teeth or 63 teeth may be used to cut metric threads in a lathe having British lead screw. It is known as

Answer is:

Translating gear

87) Which one of the following statements in respect of eccentric turning is correct ?

Answer is:

In an eccentric shaft, the centres of the individual diameters are displayed

88) Which one of the following statements in respect of thread chasing dial is NOT correct ?

Answer is:

Thread chasing dial is an additional part of the lathe carriage

Which one of the following statements in respect of thread chasing dial is NOT correct ?

89) If the pitch to be cut is 2.5 mm and the lathe has 5 mm pitch lead screw, the thread chasing dial has 8 divisions and a 16 teeth worm wheel fitted on it, the engagement of half nut should be

Answer is:

anywhere

If the pitch to be cut is 2.5 mm and the lathe has 5 mm pitch lead screw, the thread chasing dial has 8 divisions and a 16 teeth worm wheel fitted on it, the engagement of half nut should be

90) Which among the following statements in respect of chasers is correct ?

Answer is:

Cutting threads by chaser gives better finish

Which among the following statements in respect of chasers is correct ?

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