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Workshop Technology

Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

44 mm
48 mm
46 mm
42 mm

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Workshop Technology
In a four high rolling mill, there are four rolls out of which

Three are working rolls and one is backing up roll
All of the four are working rolls
Two are working rolls and two are backing up rolls
One is working roll and three are backing up rolls

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

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

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Workshop Technology
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.

Less than
None of these
More than
Same as

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Workshop Technology
When the dimension is expressed as, then the tolerance is

0.035 mm
0.01 mm
0.025 mm
0.06 mm

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Workshop Technology
The material which can be best cut with oxygen cutting process is

Copper
Mild steel
Brass
Aluminium

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