IndiaBIX

Chemical Engineering - Heat Transfer

Exercise : Heat Transfer - Section 11
6.
'Duhring's plot' is of use in
extractive distillation
evaporation
leaching
absorption
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which has the lowest Prandtl number ?
Liquid metal
Aqueous solution
Water
Lube oil
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Pick out the wrong statement.
The value of hydrostatic head increases with increase in vacuum in the effect in a multiple effect evaporator system.
Entering velocity of the liquid in the tubes of natural circulation evaporators is in the range of 0.3 to 0.9 metre/second.
Duhring's plot is used for calculating the concentration of solution.
In a multiple effect evaporation system, the number of effects is limited by the total boiling point rise.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Prandtl number for most of dry gases is about
0.001
0.72
70
150
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Prandtl number is the reciprocal of
Thermal diffusivity/Momentum diffusivity
thermal diffusivity x Momentum
Thermal diffusivity x Mass diffusivity
Mass diffusivity x Momentum diffusivity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers