47) The point angle of twist drill depends upon the

Answer is:

Material to be drilled

Explanation:

The point angle of a general purpose (standard) drill is 118°. This is the angle between the cutting edges (lips). The angle varies according to the hardness of the material to be drilled.

The point angle of twist drill depends upon the

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48) The point angle of twist drill for general purpose is

Answer is:

118 Degree

Explanation:

For general purpose use point angle of twist drill is 118 Degree.

The point angle of twist drill for general purpose is

49) The relief angle given behind the cutting lips is called

Answer is:

Lip clearance angle

The relief angle given behind the cutting lips is called

50) A hole of 10 mm diameter is to be finished with a hand reamer. The hole size required for reaming should be

Answer is:

9.75 mm

A hole of 10 mm diameter is to be finished with a hand reamer. The hole size required for reaming should be

51) The process of enlarging the end of an existing hole to accommodate the head of socket screw is called

Answer is:

Counter-boring

Explanation:

Counter-boring is the process of enlarging the end of an existing hole to accommodate the head of socket screw.

The process of enlarging the end of an existing hole to accommodate the head of socket screw is called

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