Home

What is the correct answer?

4

The use of heat exchangers is made in

A. Radiators in automobile

B. Condensers and boilers in steam plants

C. Condensers and evaporators in refrigeration and air conditioning units

D. All of the above

Correct Answer :

D. All of the above


Related Questions

Depending on the radiating properties, a body will be opaque when Temperature of steam at around 540°C can be measured by Heat is closely related with The total radiation from a black body per second per unit area is ________… Fourier's law of heat conduction gives the heat flow for Which of the following has least value of conductivity? Two long parallel surfaces each of emissivity 0.7 are maintained at different… The thermal diffusivities for gases are generally Joule sec is the unit of Kirchhoff's law states that Thermal conductivity of non-metallic amorphous solids with decrease in… An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated… The energy distribution of an ideal reflector at higher temperatures is… The heat transfer by conduction through a thick cylinder (Q) is given… The critical thickness of insulation for a sphere is In convection heat transfer from hot flue gases to water tube, even though… LMTD in case of counter flow heat exchanger as compared to parallel flow… Fouling factor is used The ratio of the emissive power and absorptive power of all bodies is… Heat transfer takes place as per Heat conducted through per unit area and unit thick face per unit time… The thermal diffusivities for solids are generally The concept of overall coefficient of heat transfer is used in heat transfer… Fourier's law of heat conduction is valid for The heat transfer from a hot body to a cold body is directly proportional… In free convection heat transfer, Nusselt number is function of The unit of overall coefficient of heat transfer is Absorptivity of a body will be equal to its emissivity According to Stefan Boltzmann law, the total radiation from a black body… Film coefficient is defined as Inside diameter of tube