Multiple Choice
The function of riser is
A) to allow the heat of molten metal to dissipate to atmosphere
B) to provide an opening through which molten metal is poured
C) to give an indication that mould is filled
D) to supply molten metal to casting as it tends to contract during solidification
Correct Answer:
Verified
Correct Answer:
Verified
Q9: Which wood can be used for making
Q10: In case of plaster moulding the mould
Q11: As the moisture content of sand increases<br>A)permeability
Q12: According to Chvorinov's equation, the solidification time
Q13: Shrinkage cavity in a casting may be
Q15: Which of the following holes appear on
Q16: A casting process which can produce cylinders
Q17: Rough surface of casting may result from<br>A)high
Q18: The advantage of permanent mould casting is<br>A)reduced
Q19: Moisture content of the moulding sand is