Multiple Choice
According to Chvorinov's equation, the solidification time of castings is
A) Directly proportional to square of the volume of the casting
B) inversely proportional to the volume the casting
C) inversely proportional to square of the volume of the casting
D) directly proportional to the volume of the castings
Correct Answer:
Verified
Correct Answer:
Verified
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
Q13: Shrinkage cavity in a casting may be
Q14: The function of riser is<br>A)to allow the
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