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Sharp internal corner of the casting also causes the misrun defect in the casting.
The casting defect misrun occurs when:
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is?
A 250 mm by 250 mm ingot casting, 1.5 m high and at 1225 K temperature, is stripped from its mold. The casting is made to stand on end on the floor of a large foundry whose wall, floor and roof can be assumed to be at 300 K temperature. Make calculation for the rate of radiant heat interchange between the casting and the room. The casting material has an emissivity of 0.85
The casting processes that require expendable moulds are
P. Investment casting
Q. Low pressure casting
R. Shell moulding
S. Slush casting
A senior quality engineer during a training session trains his juniors about a particular common defect that has been found in their assembly. He has formulated a plan which will rectify the defect and ensure that the same defect does not pass further to the customers. Which of the following inference is incorrect?
When gases are entrapped on the surface of casting due to solidification of metal then oval cavity is formed. This type of casting defect is known as:
A casting defect which occurs due to improper venting of sand is known as
Defect which occurs due to the solidification of casting is known as?