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  3. 2)   if a casting is cooled quickly, we expe

2)   If a casting is cooled quickly, we expect the SDAS to? a) increase b) decrease c)...

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Question

Mechanical Engineering

2)  

If a casting is cooled quickly, we expect the SDAS to?

a) increase b) decrease c) not be affected

A casting process which uses silica grains bonded with claywould be?
a) investment casting b) sand casting c) die casting

A casting process which forces liquid metal into a permanent moldwould be?

a) permanent mold casting b) sand casting c) die casting

A casting process which uses a temporary ceramic mold wouldbe?
a) centrifugal casting b) sand casting c) investment casting

To achieve the best properties in a casting, we need?
a) the fastest cooling rate b) sand casting c) a good riser

Which of the following is also a solidification process?

a) riveting b) screwing c) welding

If the tensile test of a material has only a linear elasticportion and no plasticity, it is most likely?

a) metal b) thermoplastic above Tg c) elastomer d) ceramic

Answer & Explanation Solved by verified expert
4.4 Ratings (924 Votes)
1 If a casting is cooled quickly then Secondary Dendrites Arm Spacing will decrease There will be no time for grain growth due to fast cooling rate so with shorter solidification time SDAS decreases 2 Sand casting uses Silica grain for    See Answer
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