Production Engineering MCQ with Answers

86) The tool life is affected by

Answer is:

all of these

Explanation:

The tool life is affected by
* depth of cut
* cutting speed
* feed

87) Tool life is measured by the

Answer is:

all of the above

Explanation:

Tool life is measured by the
* number of pieces machined between tool sharpening
* time the tool is in contact with the job
* volume of material removal between tool sharpening

88) The tool life is______ Cutting speed

Answer is:

dependent upon

89) The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is

Answer is:

cutting speed, feed rate, depth of cut

90) Tool life is generally better when

Answer is:

86) The tool life is affected by

all of these

87) Tool life is measured by the

all of the above

88) The tool life is______ Cutting speed

dependent upon

89) The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is

cutting speed, feed rate, depth of cut

90) Tool life is generally better when

grain size of the metal is large