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MP Sub-Engineer ME: Metal cutting & Tool Life Quiz 23
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Question 1
If the cutting speed is reduced to 1/3rd time, then the tool life is increased by -- % (n = 1, C = 200)
Question 2
An orthogonal cutting operation is being carried out under the following conditions Cutting speed (V)=2m/s, depth of cut=0.5 mm, chip thickness=0.6 mm
Then chip velocity is:
Question 3
In a turning tool, crater wear occurs on _______.
Question 4
If the taylor’s tool life exponent ‘n’ is 0.4 and the tool changing time is 2 min. The tool life (in seconds) for maximum production rate is
Question 5
Tool life is affected mainly with
Question 6
Approximate percentage of Tungsten in HSS cutting tool material is __________.
Question 7
A larger rake angle will result in:
Question 8
Built up edge formation can be reduced by __________.
Question 9
The condition for the generation of discontinuous chips is _________.
Question 10
In a machining operation, doubling the cutting speed reduces the tool life to (1/8)th of the original value. The exponent n in Taylor's tool life equation_______.
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