Manufacturing Processes (3141908) MCQs

MCQs of Basic Machine Tools and Metal Cutting Principles

Showing 61 to 70 out of 100 Questions
61.
Machine tools must be tough enough to withstand_____
(a) shock
(b) vibration
(c) both shock and vibration
(d) none of the mentioned
Answer:

Option (c)

62.
Carbides are used in_____
(a) rapid stock removal
(b) higher speeds
(c) rapid stock removal and higher speed both
(d) none of the mentioned
Answer:

Option (c)

63.
“Light finishing cuts inexpensive forming tools”- this quality is applicable to_____
(a) carbides
(b) ceramics
(c) stellites
(d) none of the mentioned
Answer:

Option (d)

64.
Which of the following is easy to grind and generally used for intermittent cut?
(a) carbides
(b) diamond
(c) high-speed steel
(d) none of the mentioned
Answer:

Option (c)

65.
High speed steel has an excessive wear on______
(a) castings
(b) hard materials
(c) casting and hard materials both
(d) none of the mentioned
Answer:

Option (c)

66.
High-speed steel has an excessive wear on______
(a) castings
(b) hard materials
(c) casting and hard materials both
(d) none of the mentioned
Answer:

Option (c)

67.
Which of the following is not the disadvantage of diamonds?
(a) incompressible
(b) readily conducts heat
(c) the rigid machine is required
(d) all of the mentioned
Answer:

Option (c)

68.
Which of the following tool material is not suitable for small diameters?
(a) carbon steel
(b) carbides
(c) carbon and carbides both
(d) none of the mentioned
Answer:

Option (b)

69.
Small nose radius
(a) increases tool life
(b) decreases tool life
(c) produces chipping and decreases tool life
(d) results in excessive stress concentration and greater heat generation
Answer:

Option (d)

70.
The lip angle is the angle
(a) between the tool face and the ground end surface of the flank
(b) made by the face of the tool and the plane parallel to the base of the cutting tool
(c) between the face of the tool and a line tangent to the machined surface at the cutting point
(d) none of the above
Answer:

Option (a)

Showing 61 to 70 out of 100 Questions