If ash content of coke used in cupola is high then
A) melting rate will be low
B) castings produced will have blow holes
C) more of flux will be required
D) carbon content of castings will be low
Correct Answer:
Verified
Q3: When wooden patterns with metallic coating are
Q4: Shell moulding can be used for
A)producing thin
Q5: In case of carbondioxide moulding, the binder
Q6: Aluminium castings are not repaired by
A)inert gas
Q7: First step in reclaiming the moulding and
Q9: Non-uniform distribution of alloying components, inclusions and
Q10: Clay used for foundry sand should be
A)kaolinite
B)montmorillonite
C)illite
D)any
Q11: Phenolic thermo-setting plastics are finding application in
Q12: The location of riser least depends on
A)the
Q13: In case of cast steel, the contraction
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