Heat Transfer Peclet number (Pe) is given by Pe = Re.Pr Pe = Pr/Re Pe = Re/Pr Pe = Nu.Re Pe = Re.Pr Pe = Pr/Re Pe = Re/Pr Pe = Nu.Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Wavelength of radiation Temperature of the body Nature of the body None of these Wavelength of radiation Temperature of the body Nature of the body None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD can't be used as such without a correction factor for the Baffled heat exchanger Condensation of mixed vapour in a condenser All of these Multipass heat exchanger Baffled heat exchanger Condensation of mixed vapour in a condenser All of these Multipass heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for All bodies Polished bodies only A black body Black painted bodies only All bodies Polished bodies only A black body Black painted bodies only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase the heat transfer area increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase the heat transfer area increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) A/Kx X/KA K/Ax KA/x A/Kx X/KA K/Ax KA/x ANSWER DOWNLOAD EXAMIANS APP