CHEMICAL ENGINEERING

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

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Question: __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.
[A].

Collar

[B].

Flanged

[C].

Bell and Spigot

[D].

Expansion

Answer: Option B

Explanation:

No answer description available for this question.

If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.

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Question: If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.
[A].

convection

[B].

nucleate boiling

[C].

radiation

[D].

conduction

Answer: Option A

Explanation:

No answer description available for this question.

“‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

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Question: “‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)
[A].

V

[B].

V/2

[C].

2V

[D].

3V

Answer: Option A

Explanation:

No answer description available for this question.