Workshop Technology MCQ Questions & Answers | Mechanical Engineering

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61.
In sheet metal work, he cutting force on the tool can be reduced by

A. Grinding the cutting edges sharp

B. Increasing the hardness of tool

C. Providing shear on tool

D. Increasing the hardness of die

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62.
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

A. Less than 0.1 percent

B. Less than 0.3 percent

C. More than 0.3 percent

D. Anywhere between 0.1 to 1 percent

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63.
In average work, the tolerance produced by investment casting method is

A. ±0.05 mm

B. +0.2 mm

C. +05 mm

D. +1 mm

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64.
In blanking operation, the clearance is provided on

A. Punch

B. Die

C. Half on the punch and half on the die

D. Either on punch or die depending upon designer's choice

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65.
In piercing operation, the clearance is provided on

A. Punch

B. Die

C. Half on the punch and half on the die

D. Either on punch or die depending upon designer's choice

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