Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that There is no internal heat generation Boundary surfaces are isothermal Constant temperature gradient exists Material is anisotropic There is no internal heat generation Boundary surfaces are isothermal Constant temperature gradient exists Material is anisotropic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Counter-current Co-current Turbulent Laminar Counter-current Co-current Turbulent Laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux is the time rate of heat transfer per unit volume area none of the listed here length volume area none of the listed here length ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? liquid metal None of the listed here mercury dowtherm liquid metal None of the listed here mercury dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By direct contact of hot flue gas with air Through a metallic wall None of these By heating an intermediate material (like chequor bricks) and then heating the air from this hot material By direct contact of hot flue gas with air Through a metallic wall None of these By heating an intermediate material (like chequor bricks) and then heating the air from this hot material ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the increase in liquor film co-efficient decreased effect of hydrostatic head decreased capacity increased true temperature drop increase in liquor film co-efficient decreased effect of hydrostatic head decreased capacity increased true temperature drop ANSWER DOWNLOAD EXAMIANS APP