Exercise: Workshop Technology

Questions for: Workshop Technology

The correct sequence for preparing a billet for extrusion process is pickling, alkaline cleaning, phosphate coating and lubricating with reactive soap.
A:
Yes
B:
No
C:
D:
Answer: A
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The operation of straightening a curved sheet metal, is known as
A:
drawing
B:
squeezing
C:
coining
D:
planishing
Answer: D
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In order to cut mild steel, the cutting angle of chisel should be
A:
30°
B:
45°
C:
50°
D:
60°
Answer: D
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For welding plates of thickness less than 5 mm, its edges
A:
do not require bevelling
B:
should be bevelled to a single-V or U-groove
C:
should have a double-V or U-groove on one side
D:
should have a double-V or U-groove on both sides
Answer: A
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An oxidising process used for aluminium and magnesium articles is called
A:
galvanising
B:
anodising
C:
parkerising
D:
sheradising
Answer: B
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