Heat flows from one body to other when they have_________________?

Related Mcqs:

Heat is closely related with___________________?

A. liquids B. energy C. temperature D. entropy E. enthalpy...

Thermal conductivity of air with rise in temperature__________________?

A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. none of the above...

A non-dimensional number generally associated with natural convection heat transfer is________________?

A. Grashoff number B. Nusselt number C. Weber number D. Prandtl number E. Reynold number...

The value of the wavelength for maximum emissive power is given by ___________________?

A. Wien’s law B. Planck’s law C. Stefan’s law D. Fourier’s law E. Kirchhoff’s law...

Depending on the radiating properties, a body will be opaque when _________________?

A. p = 0, x = 0 and a = 1 B. p=l,x = 0anda = 0 C. p = 0, x = 1 and a = 0 D. x – 0, a + p = 1 E. a=0,x + p= 1. where a = absorptivity, p = reflectivity, X = transmissivity...