Multiple Choice
Swelling of castings may occur due to
A) insufficient ramming
B) rapid pouring of molten metal
C) insufficient weight on the moulds during pouring
D) any of the above
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q1: Melting point of copper<br>A)1444°C<br>B)1576°C<br>C)665°C<br>D)1083°C
Q3: Which statement is not true for green
Q4: A mould cracks after drying. It indicates<br>A)excess
Q5: In case of malleable iron castings, the
Q6: Inoculants are added to aluminium mainly for<br>A)grain
Q7: Permanent mould casting is also known as<br>A)chill
Q8: Consumable patterns are made of<br>A)polystyrene<br>B)wax<br>C)plaster of paris<br>D)any
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