If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

A)
10 mm/m
B)
16 mm/m
C)
20 mm/m
D)
26 mm/m

Correct Answer : Option (D) :   26 mm/m

Recently Updated in Workshop Technology Questions
In __________ welding, the weld may be made either from left to right or from right to left.
A)
fore-hand
B)
vertical
C)
back-hand
D)
None of the above

Correct Answer :   vertical

In a four high rolling mill, there are four rolls out of which
A)
two are working rolls and two are backing up rolls
B)
three are working rolls and one is backing up roll
C)
one is working roll and three are backing up rolls
D)
All of the above

Correct Answer :   two are working rolls and two are backing up rolls

Galvanising is a
A)
zinc diffusion process
B)
process of coating zinc by hot dipping
C)
process used for making thin phosphate coating on steel
D)
None of the above

Correct Answer :   process of coating zinc by hot dipping

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Theory of Machines
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