Related Questions

Which of the following is directly concerned with the heat transfer?
A Strouhal number
B Sherwood number
C Euler number
D Grashoff number
According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity)
A D
B D2
C D0.5
D $$\frac{1}{{\text{D}}}$$
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.
A CO2
B SO2
C NH3
D None of these
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is
A Calculated
B Unknown
C Known
D Not required
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
Which of the following is concerned with both heat and mass transfer?
A Lewis relationship
B Nusselt number
C Kutateladze number
D Froude number
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.
A Film
B Penetration
C Surface-renewal
D None of these
Which of the following is directly concerned with psychrometry?
A Lewis reltionship
B Galileo number
C Weber number
D Dean number
Which of the following is not concerned with the heat transfer?
A Brinkman number
B Stanton number
C Schmidt number
D Peclet number
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z

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