An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a

Related MCQs

• It is desired to concentrate a 20% salt solution (20 kg of salt in 100 kg of solution) to a 30% salt solution in an evaporator. Consider a feed of 300 kg/min at 30°C. The boiling point of the solution is 110°C, the latent heat of vaporisation is 2100 kJ/kg and the specific heat of the solution is 4 kJ/kg.K. The rate at which the heat has to be supplied in (kJ/min) to the evaporator is
• A liquid to liquid counterflow heat exchanger is used to heat cold fluid from 50?C to 150?C. Assuming that the hot fluid enters at 250?C and leaves at 200?C, the log mean temperature difference for the heat exchanger will be closer to
• Sensible heat is the heat required to
• For a laminar flow of fluid in a circular tube, 'h1' is the convective heat transfer co-efficient at velocity 'V1'. If the velocity is reduced by half and assuming the fluid properties are constant, the new convective heat transfer co-efficient is
• In a heat exchanger, the rate of heat transfer from the hot fluid to the cold fluid
• A dimensionless heat transfer coefficient which gives a measure of the ratio of the heat transfer rate to the rate at which heat would be conducted within the fluid under a temperature gradient is known as
• Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called
• Rate of heat transfer by vaporisation from pools of water is affected by the
• Sensible heat absorbed by 1 lb of water when it is heated from 32 to 212°F may be around __________ BTU.
• Sensible heat of hot industrial flue gases cannot be recovered by a/an