A mould which has good erosion resistance to metal flow and is also collapsible is
A) green sand mould
B) skin dry sand mould
C) dry sand mould
D) none of the above
Correct Answer:
Verified
Q4: In furan moulding which of the following
Q5: In case of copper, the pouring temperature
Q6: Polystyrene is generally available in the form
Q7: If an old casting is to be
Q8: The strength of the sand is high
Q10: During the passage of molten metal through
Q11: Hot spots are generally found in castings
A)symmetrical
Q12: Which of the following metals has the
Q13: Slag in a blast furnace is
A)lighter than
Q14: Sprues are generally
A)tapered upwards
B)tapered downwards
C)uniform size
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