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Chemical Engineering - Heat Transfer

Exercise : Heat Transfer - Section 9
21.
Kg of liquid evaporated per hour in an evaporator is defined as its
capacity
economy
steam load
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Pick out the correct statement.
1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F.
In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity.
In unsteady state heat conduction, heat flows in the direction of temperature rise.
In heat transfer by forced convection, Grashoff number is very important.
Answer: Option
Explanation:
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23.
Open pan evaporators are preferred to be used, when the solution to be concentrated is
scaling
highly viscous
corrosive
salty
Answer: Option
Explanation:
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24.
is termed as the __________ number.
Grashoff
Nusselt
Prandtl
Stanton
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The maximum heat transfer co-efficient from steam heating will be attained when the steam is
supersaturated
saturated
wet
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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