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Chemical Engineering - Heat Transfer

Exercise : Heat Transfer - Section 10
46.
Multiple effect evaporators ar used to
increase the steam economy & decrease the capacity.
increase the steam economy & the capacity.
decrease the steam economy & the capacity.
decrease the steam economy & increase the capacity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Prandtl number is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Small scale evaporation is done in a
heat exchanger
condenser
multiple effect evaporator
steam jacketed kettle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Heat exchanger tubes are never made of
plain carbon steel
stainless steel
lead
copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
At constant temperature, the thermal conductivities of gases __________ with rise in pressure.
decrease
increase
remain unchanged
may increase or decrease; depends on the pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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