Manufacturing Processes (3141908) MCQs

MCQs of Basic Machine Tools and Metal Cutting Principles

Showing 21 to 30 out of 100 Questions
1 2 3 4 5 6
21.
Flank wear occurs at
(a) Tool flank below the cutting edge
(b) Tool shank
(c) Tool face
(d) None of the mentioned
Answer:

Option (a)

22.
Which of the following is correct about crater wear?
(a) Occurs more in soft tool
(b) Occurs more hard tool
(c) Occurs more in brittle tool
(d) None of the mentioned
Answer:

Option (a)

23.
Crater wear occurs at
(a) Tool flank
(b) Tool shank
(c) Tool face
(d) None of the mentioned
Answer:

Option (c)

24.
With the passage of time, there is a loss in the weight of the tool, this phenomenon is known as:
(a) Thermal cracking
(b) Mechanical chipping
(c) Softening
(d) Gradual Wear
Answer:

Option (d)

25.
Mechanical chipping may occur in which of the following tool?
(a) Diamond tool
(b) Mild Steel tool
(c) HSS tool
(d) None of the mentioned
Answer:

Option (a)

26.
Thermal cracking of tools occurs at
(a) Low temperature
(b) High temperature
(c) Low cutting speed
(d) None of the mentioned
Answer:

Option (b)

27.
Which of the following will have a maximum amount of chips during machining?
(a) Ductile material
(b) Brittle material
(c) Cast iron
(d) None of the mentioned
Answer:

Option (a)

28.
Which of the following is the correct equation for shear force FS=? where "φ" is the shear angle?
(a) Fs=Fc cosφ - Ft sinφ
(b) Fs=Fc cosφ / Ft sinφ
(c) Fs=Fccosφ * Ft sinφ
(d) Fs=Fc cosφ + Ft sinφ
Answer:

Option (a)

29.
Which of the following assumption is not valid for the merchant circle diagram?
(a) Continuous Chips
(b) Discontinuous chips
(c) Cutting edge remains sharp
(d) No built-up edge
Answer:

Option (b)

30.
Force exerted by the tool on-chip normal to tool face is known as
(a) Cutting force
(b) Frictional resistance
(c) Backing up force
(d) Shear force
Answer:

Option (b)

Showing 21 to 30 out of 100 Questions
1 2 3 4 5 6