Entropy is a/an
Question: Entropy is a/an
[A].
state function
macroscopic property
extensive property
none of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
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Maximum permissible air velocity in pipelines is about __________ metre/second.
Question: Maximum permissible air velocity in pipelines is about __________ metre/second.
[A].5 [B].
10 [C].
20 [D].
40 Answer: Option B
Explanation:
No answer description available for this question.
Electrochemical corrosion occurs
Question: Electrochemical corrosion occurs
[A].where the liquid electrolytes containing free ions are present. [B].
only in alloys. [C].
only in pure metals. [D].
due to direct chemical action of metal with oxygen. Answer: Option A
Explanation:
No answer description available for this question.
If Blausius or Darcey friction factor is ‘f1’ then the Fanning friction factor is equal to
Question: If Blausius or Darcey friction factor is ‘f1’ then the Fanning friction factor is equal to
[A].f1/4 [B].
4f2 [C].
2f1 [D].
f1/2 Answer: Option A
Explanation:
No answer description available for this question.
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be
Question: For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be
[A].1 [B].
0 [C].
2 [D].
3 Answer: Option A
Explanation:
No answer description available for this question.
Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes.
Question: Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes.
[A].3 [B].
4 [C].
6 [D].
8 Answer: Option B
Explanation:
No answer description available for this question.
At high Reynolds number
Question: At high Reynolds number
[A].inertial forces control and viscous forces are unimportant. [B].
viscous forces predominate. [C].
inertial forces are unimportant and viscous forces control. [D].
none of these. Answer: Option A
Explanation:
No answer description available for this question.