Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) 2K/h0 h0/K h0/2K K/h0 2K/h0 h0/K h0/2K K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Decreases Increases May increase or decrease, depends on the type of baffle Does not affect Decreases Increases May increase or decrease, depends on the type of baffle Does not affect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt1/2 Δt Δt2 Δt5/4 Δt1/2 Δt Δt2 Δt5/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multiple effect evaporator, the effect of boiling point elevation is to all of the listed here increase the economy reduce the economy reduce the capacity all of the listed here increase the economy reduce the economy reduce the capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on Re, Gr mainly Gr Re, Pr none of the listed here Re, Gr mainly Gr Re, Pr none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Condensation Grashoff Stantan Brinkman Condensation Grashoff Stantan Brinkman ANSWER DOWNLOAD EXAMIANS APP