- (A) Eddies current
- (B) Conduction
- (C) Convection
- (D) None of these
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- (A) Single pass, fixed tube sheet
- (B) U-tube
- (C) Three pass, fixed tube sheet
- (D) None of these
- (A) 0.4 – 0.6
- (B) 1-1.3
- (C) 1.8-2
- (D) 2 – 2.4
- (A) Increases
- (B) Decreases
- (C) Remains unchanged
- (D) May increase or decrease; depends on the liquid
- (A) Create vacuum
- (B) Regulate the vapor flow
- (C) Vent the non-condensable gases
- (D) Arrest the entrained liquid
- (A) Super
- (B) Sensible
- (C) Latent
- (D) Both
- (A) Reynolds
- (B) Nusselt
- (C) Grashoff
- (D) Both
- (A) Only counter-flow of fluids
- (B) Only parallel-flow of fluids
- (C) Both counter and parallel-flow of the fluids
- (D) Smaller pressure drop compared to 1-2 exchanger
- (A) 0.25 D
- (B) 0.50 D
- (C) 0.75 D
- (D) None of these
- (A) 180
- (B) 970
- (C) 3.97
- (D) None of these

