Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that Material is anisotropic Boundary surfaces are isothermal There is no internal heat generation Constant temperature gradient exists Material is anisotropic Boundary surfaces are isothermal There is no internal heat generation Constant temperature gradient exists ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is White & rough Black & rough Black & polished White & polished White & rough Black & rough Black & polished White & polished ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Both A and B Increased steam economy Decreased steam consumption Increased capacity Both A and B Increased steam economy Decreased steam consumption Increased capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Same for all wavelengths Different for all wavelengths Zero Unity Same for all wavelengths Different for all wavelengths Zero Unity ANSWER DOWNLOAD EXAMIANS APP