The order of surface finish possible in die castings is
A) 0.08 microns
B) 0.008 microns
C) 0.0008 microns
D) 0.8 microns
Correct Answer:
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Q15: Hot blast of air is supplied to
Q16: Core prints are
A)made separately in the mould
Q17: In die casting
A)there is no need of
Q18: The water content of green sand is
Q19: Tin coated low carbon steel chaplets are
Q20: Scabs may be caused by
A)low permeability of
Q22: The contraction allowance for magnesium is around
A)5
Q23: Plaster patterns and core boxes are made
Q24: Composition of cast iron can be better
Q25: By compacting the sand
A)both density as well
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