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WORKSHOP TECHNOLOGY

Workshop Technology
V-block is used to

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

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

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

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

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

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

+1 mm
±0.05 mm
+05 mm
+0.2 mm

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Workshop Technology
In blanking operation, the clearance is provided on

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

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