ASMP 2 DRILLING AND PUNCHING - Practice Mode

1) Which type of vice is used to hold the work piece while drilling in machine?

Bench vice Leg vice Machine vice Hand vice

Correct Answer: Machine vice

2) What is the formula to calculate cutting speed (v) in m/min.?

V=(Pi x d)/(n x 1000) V=(d x n)/(Pi x 1000) V=(Pi x n)/(d x 1000) V=(Pi x d x n)/(1000)

Correct Answer: V=(Pi x d x n)/(1000)

3) What type of hand operated drilling machine is used for drilling small diameter holes upto 6 mm?

Bevel gear type-drilling machine Breast type-drilling machine Ratchet type-drilling machine Pneumatic type-drilling machine

Correct Answer: Bevel gear type-drilling machine

4) What is cutting speed in drilling?

Rotation of drill at its axis Rotation of work piece that being drilled Rate of material removed by drilling Distance travelled by a drill over the job in one minute

Correct Answer: Distance travelled by a drill over the job in one minute

5) What is feed in drilling operation?

Amount of material the drill removes Drill advances in one complete rotation Total depth of the drilled hole Width of the chip removed by drill

Correct Answer: Drill advances in one complete rotation

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