Multiple Choice
Which of the following is the anti-penetration material introduced in the moulding sand?
A) Coad dust
B) Powdered quartz
C) Black oil
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The property of sand to withstand the
Q2: Malleable castings are used for<br>A)boilers<br>B)Automobiles<br>C)Elevators<br>D)all of the
Q3: Which of the following is not necessarily
Q5: Providing more than adequate machining allowance<br>A)reduces machining
Q6: The contraction allowance for pattern depends on<br>A)composition
Q7: The draft allowance to be provided on
Q8: Tempering is generally done to reduce all
Q9: Gated patterns are normally used for<br>A)castings for
Q10: Casting made in relatively simple shapes and
Q11: Chaplets are provided to<br>A)reduce core sag<br>B)support heavy