Loss of heat from untagged steam pipe to the ambient air is by __________________?

Related Mcqs:

If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows _____________ law?

A. Parabolic B. Hyperbolic C. Linear D. Logarithmic...

A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________________?

A. 0 B. R2/(R1+R2) C. 1 D. (R1/R2)2...

Stefan-Boltzmann law applies to _____________ body?

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

The units of resistance to heat transfer is _____________________?

A. J.m-2.K-1 B. J.m-1.K-1 C. W.m-2.K-1 D. W-1m2K...

Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger ?

A. Tube side pressure drop and the heat transfer rate B. Convective heat transfer co-efficient C. Effective tube surface area for convective heat transfer D. All A. B. and C....