- (A) Convection becomes important
- (B) Conduction becomes important
- (C) Radiation becomes important
- (D) Sub-cooled boiling occurs
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- (A) Increases
- (B) Decreases
- (C) Remain constant
- (D) May increase or decrease; depends on the material
- (A) Geometric
- (B) Arithmetic
- (C) Logarithmic
- (D) Either
- (A) Re.Gz
- (B) Nu, Pr
- (C) Nu, Pr, Re
- (D) Nu, Gz
- (A) Heat the water from 0°C to 100°C
- (B) Evaporate the water
- (C) To superheat the steam
- (D) Data insufficient, can’t be predicted
- (A) Called the view factor
- (B) Called the angle of vision
- (C) Proportional to the square of the distance between surfaces
- (D) Expressed in terms of radians
- (A) 0.2 D
- (B) 0.5 D
- (C) 0.66 D
- (D) 0.80 D
- (A) Multipass fixed tube sheet
- (B) U-tube
- (C) Single pass fixed tube sheet
- (D) None of these
- (A) Steam economy
- (B) Lower operating costs
- (C) Investment economy
- (D) None of these
- (A) Forced convection
- (B) Steady state conduction
- (C) Monochromatic radiation
- (D) None of these
