Most of the coking coals are
Question: Most of the coking coals are
[A].
anthracite
bituminous
lignite
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Bernoulli’s equation describes the
Question: Bernoulli’s equation describes the
[A].mechanical energy balance in potential flow. [B].
kinetic energy balance in laminar flow. [C].
mechanical energy balance in turbulent flow. [D].
mechanical energy balance in boundary layer. Answer: Option A
Explanation:
No answer description available for this question.
Fuel consumption in coke making can be reduced by___________________?
Fuel consumption in coke making can be reduced by___________________?A. Preheating, blending and de-ashing the coal
B. Stamped charging of coal
C. Dry quenching of coke
D. All A., B. and C.Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid
Question: Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid
[A].for fluids in laminar flow. [B].
for fluids in tubulent flow. [C].
when Grashhoff number is very important. [D].
for liquid metals. Answer: Option B
Explanation:
No answer description available for this question.
Throttling (Joule-Thomson effect) process is a constant _____________ process?
Throttling (Joule-Thomson effect) process is a constant _____________ process?A. Enthalpy
B. Entropy
C. Pressure
D. None of theseCeramic tips for the cutting tool are prepared from __________ powder.
Question: Ceramic tips for the cutting tool are prepared from __________ powder.
[A].carbon [B].
silicon carbide [C].
aluminium oxide [D].
tungsten Answer: Option C
Explanation:
No answer description available for this question.
A 2-4 heat exchanger involves
Question: A 2-4 heat exchanger involves
[A].only counter-flow of fluids. [B].
only parallel-flow of fluids. [C].
both counter and parallel-flow of the fluids. [D].
smaller pressure drop compared to 1-2 exchanger. Answer: Option C
Explanation:
No answer description available for this question.