when the shear angle is large

59) An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is

Answer is:

shear angle

Explanation:

60) A better machinable metal is one which gives

lower chip-tool contact area and larger shear angle

higher chip-tool contact area and smaller shear angle

lower chip-tool contact area and smaller shear angle

higher chip-tool contact area and larger shear angle

Answer is:

lower chip-tool contact area and larger shear angle

Explanation:

61) The specific cutting energy used for establishing the machinability of the metal depends upon its

Answer is:

all of these

Explanation:

The specific cutting energy used for establishing the machinability of the metal depends upon its
* coefficient of friction
* microstructure
* work hardening characteristics

62) In machining metal, cutting force at the cutting edge is measured by a

Answer is:

dynamometer

Explanation:

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when the shear angle is large

path to shear is short and chip is thin

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Related Production Engineering MCQ with Answers

59) An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is

shear angle

60) A better machinable metal is one which gives

lower chip-tool contact area and larger shear angle

61) The specific cutting energy used for establishing the machinability of the metal depends upon its

all of these

62) In machining metal, cutting force at the cutting edge is measured by a

dynamometer

For More Production Engineering MCQ with Answers