Knudsen diffusion is directly proportional to
Question: Knudsen diffusion is directly proportional to
[A].
T
T
1/T
T2
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Dropwise condensation is promoted on a/an __________ surface.
Question: Dropwise condensation is promoted on a/an __________ surface.
[A].glazed [B].
oily [C].
coated [D].
smooth Answer: Option B
Explanation:
No answer description available for this question.
Which of the following processes can not be made reversible even under ideal condition of operation?
Question: Which of the following processes can not be made reversible even under ideal condition of operation?
[A].Free expansion of a gas. [B].
Compression of air in a compressor. [C].
Expansion of steam in a turbine. [D].
all (a), (b) & (c). Answer: Option A
Explanation:
No answer description available for this question.
An alloy of Fe – 0.4 % C is
Question: An alloy of Fe – 0.4 % C is
[A].cast iron. [B].
hypo-eutectoid steel. [C].
hyper-eutectoid steel. [D].
eutectoid steel Answer: Option B
Explanation:
No answer description available for this question.
Main pollutants released from petroleum refineries is
Question: Main pollutants released from petroleum refineries is
[A].CO, SO2 & H2S. [B].
CO2, NO & SO3. [C].
CO2, H2S & NO2. [D].
SO3, NO2 & CO2. Answer: Option A
Explanation:
No answer description available for this question.
Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the
Question: Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the
[A].hot scarfing of steel slabs. [B].
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coke oven battery heating. [D].
steel ladle drying. Answer: Option C
Explanation:
No answer description available for this question.
In the acid Bessemer process, the hot metal should have the following com-positon.
Question: In the acid Bessemer process, the hot metal should have the following com-positon.
[A].S < 0.05% and P < 0.05%. [B].
S < 0.05% and P < 1.5%. [C].
S < 0.05% and P > 1.5%. [D].
S > 1.5% and P < 0.05%. Answer: Option A
Explanation:
No answer description available for this question.