Heat Transfer - Study Mode

[#261] The type of liquor circulation system to be ' employed in evaporators (viz. natural or forced circulation) is determined mainly by the __________ of the liquid.
Correct Answer

(A) Viscosity

[#262] Resistance to heat flow by conduction is proportional to (where, t & $$
ho $$ are thickness & density of the material respectively and A = area normal to the direction of heat flow.)
Correct Answer

(D) All of the above

[#263] Heat transfer by radiation between two bodies at T 1 & T 2 and in an ambient temperature of T a °C depends on
Correct Answer

(D) None of these

[#264] Which of the following is correct?
Correct Answer

(B) Driving force = Rate × Resistance

[#265] Double pipe heat exchangers are used
Correct Answer

(B) When heat transfer area required is very low, i.e (100 - 200 ft 2 )