Heat exchanger tubes are never made of_________________?

Related Mcqs:

Conductance is given by (where, x = thickness, A = heat flow area, K = thermal conductivity.)?

A. x/KA B. KA/x C. K/Ax D. A/Kx...

Pick out the wrong statement ?

A. In drying a solid containing moisture above the critical moisture content the number of degrees of freedom is 2 B. Sherwood number in mass transfer corresponds to Nusselt number in heat transfer and Schmidt number to Prandtl number C. Forced convection is relatively more effective in increasing the rate of mass transfer, if Schmidt … Pick out the wrong statement ?Read More...

If heat transfer rate varies with the time, it is termed as__________________?

A. Forced convection B. Steady state conduction C. Monochromatic radiation D. None of these...

Stefan-Boltzmann law applies to _____________ body?

A. Black B. White C. Grey D. Any colour...

Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the _______________ of pure water?

A. Boiling point B. Dynamic viscosity C. Kinematic viscosity D. Density...