Question: Mechanical recompression evaporation is used in the production of
[A].alcohol
distilled water
salt
fruits jam
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Heat Transfer
In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid.
Question: In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid.
[A].nucleate
pool
low pressure
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Agitated film evaporator is suitable for concentrating __________ liquids.
Question: Agitated film evaporator is suitable for concentrating __________ liquids.
[A].foaming
viscous
very thin
corrosive
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Heat transfer by __________ may not necessarily require the presence of a medium.
Question: Heat transfer by __________ may not necessarily require the presence of a medium.
[A].conduction
natural convection
forced convection
radiation
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is
Question: It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is
[A].> 0.75
< 0.75
< 0.50
< 0.25
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell)
Question: In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell)
[A].0.25 D
0.75 D
0.50 D
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are
Question: For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are
[A].same
different
never different
linearly related
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
For the same heat transfer area and the terminal conditions, the ratio of the capacities of a single effect evaporator to a triple effect evaporator is
Question: For the same heat transfer area and the terminal conditions, the ratio of the capacities of a single effect evaporator to a triple effect evaporator is
[A].3
0.33
1
1.33
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Dropwise condensation is promoted on a/an __________ surface.
Question: Dropwise condensation is promoted on a/an __________ surface.
[A].glazed
oily
coated
smooth
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as
Question: The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as
[A].ha = 0.8hL
ha = 2hL
ha = hL
ha = 5hL
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.