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WORKSHOP TECHNOLOGY

Workshop Technology
V-block is used to

Check the trueness of flat surfaces
None of these
Check the surface roughness
Locate centres of round rods

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Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Increasing the hardness of die
Grinding the cutting edges sharp
Providing shear on tool
Increasing the hardness of tool

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

Anywhere between 0.1 to 1 percent
Less than 0.3 percent
Less than 0.1 percent
More than 0.3 percent

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Workshop Technology
In average work, the tolerance produced by investment casting method is

+05 mm
+0.2 mm
±0.05 mm
+1 mm

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Workshop Technology
In blanking operation, the clearance is provided on

Either on punch or die depending upon designer's choice
Half on the punch and half on the die
Punch
Die

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