Thermal diffusivity is given by__________________?

Related Mcqs:

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

A. Boiler B. Heat exchanger C. Recuperator D. Regenerator...

For _______________ Prandtl number values, the heat conduction will be negligible in the buffer zone?

A. Extremely low B. Low C. High D. No...

Dropwise condensation is promoted on a/an ______________ surface?

A. Glazed B. Oily C. Coated D. Smooth...

Pick out the wrong statement ?

A. With change in temperature, the radiant energy emitted by a black body remains unchanged B. Absorptivity of a body approaches unity in case of diffuse reflection C. Absorptivity of a perfectly black body is unity D. Value of Stefan-Boltzmann constant is 4.876 × 10-8 KCal/m2.hr.°K4...

The critical radius ‘r’ of insulation on a pipe is given by____________________?

A. r = 2k/h B. r = k/h C. r = k/2h D. r = h/k...