MCQs of Basic Machine Tools and Metal Cutting Principles (Manufacturing Processes - 3141908)

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Why metal removal process is costly?

(a)	more energy is required
(b)	some of the material is wasted
(c)	both more energy is required and some of the material is wasted
(d)	none of the mentioned

Which of the following parameters govern the value of the shear angle in continuous chip formation?

(a)	true feed
(b)	chip thickness
(c)	the rake angle of the cutting tool
(d)	all of the mentioned

The tool material, for faster machining, should have

The factor considered for evaluation of maintainability is

(a)	cutting forces and power consumption
(b)	tool life
(c)	type of chips and shear angle
(d)	all of the mentioned

Crater wear is usually found while machining ductile materials.

(a)	True
(b)	False

Tool life is measured by the

(a)	number of pieces machined between tool sharpenings
(b)	time the tool is in contact with the job
(c)	the volume of material removed between tool sharpenings
(d)	all of the mentioned

The tool life is said to be over if

(a)	poor surface finish is obtained
(b)	there is a sudden increase in cutting forces and power consumption
(c)	overheating and fuming due to heat of friction starts
(d)	all of the mentioned

Tool life is generally better when

(a)	the grain size of the metal is large
(b)	the grain size of the metal is small
(c)	hard constituents are present in the microstructure of the tool material
(d)	none of the mentioned

Transducers have a much __________ natural frequency and stiffness than dynamometers.

10.

The ratio of the cutting force to the cross-sectional area being cut is called:

Showing 1 to 10 out of 100 Questions