Multiple Choice
In die casting
A) there is no need of air venting
B) there is no restriction of material, any material that can be poured can be cast
C) the product surface is smooth and clean without the parting line
D) the heat loss from molten metal is fast as the mould is metallic
Correct Answer:
Verified
Correct Answer:
Verified
Q14: On the interior surfaces the draft allowance
Q15: Which of the following facilitates shaking and
Q16: In furan process, furan resins are primarily
Q17: Annealing of aluminium castings<br>A)improves ductility<br>B)relieves micro stresses<br>C)reduces
Q18: Tin coated low carbon steel chaplets are
Q20: Core prints are<br>A)made separately in the mould
Q21: There is no need for the withdrawal
Q22: Plaster patterns and core boxes are made
Q23: Scabs may be caused by<br>A)low permeability of
Q24: Which of the following is used to