- (A) x/KA
- (B) KA/x
- (C) K/Ax
- (D) A/Kx
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- (A) Multipass heat exchanger
- (B) Baffled heat exchanger
- (C) Condensation of mixed vapour in a condenser
- (D) All
- (A) Increases
- (B) Decreases
- (C) Remain constant
- (D) May increase or decrease, depends on the vacuum
- (A) More
- (B) Less
- (C) Same
- (D) More or less; depends on the nature of solution
- (A) Laminar
- (B) Turbulent
- (C) Creeping
- (D) Transition region
- (A) t
- (B) 1/ρ
- (C) 1/A
- (D) All
- (A) Large temperature differentials
- (B) High heat transfer co-efficient
- (C) Low pressure drop
- (D) Less corrosion of tubes
- (A) For fluids in laminar flow
- (B) For fluids in turbulent flow
- (C) When Grashoff number is very important
- (D) For liquid metals
- (A) Increases
- (B) Decreases
- (C) Remain same
- (D) Decreases linearly
- (A) Lower heat transfer area
- (B) Lower steam economy
- (C) Higher steam economy
- (D) Higher solute concentration in the product
