- (A) Dowtherm
- (B) Mercury
- (C) Liquid metal (e.g. molten sodium)
- (D) Fused salts (
- (E) g., an eutectic mixture of 53% KNO3, 40% NaNO2and 7% NaNO3)
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- (A) 20.8
- (B) 40.8
- (C) 40.4
- (D) 20.4
- (A) Through a metallic wall
- (B) By direct contact of hot flue gas with air
- (C) By heating an intermediate material (like chequor bricks) and then heating the air from this hot material
- (D) None of these
- (A) 6000
- (B) 24000
- (C) 60000
- (D) 48000
- (A) 1.66
- (B) 88.66
- (C) 3.66
- (D) Dependent on NRe only
- (A) Corrosiveness
- (B) Fouling characteristic
- (C) Viscosity
- (D) None of these
- (A) Rate of heat transfer
- (B) Degree of turbulence
- (C) Degree of super-saturation
- (D) All
- (A) Film
- (B) Sub-cooled
- (C) Saturated nucleate
- (D) None of these
- (A) Single effect evaporator
- (B) Single effect evaporator followed by a crystalliser
- (C) Multiple effect evaporator
- (D) Multiple effect evaporators followed by a crystalliser
- (A) CP. μ/k
- (B) hD/k
- (C) h. CP/μ
- (D) CP. μ/h
