Heat Transfer Reason for operating an evaporator in multiple effect is to secure Increased steam economy Both A and B Decreased steam consumption Increased capacity Increased steam economy Both A and B Decreased steam consumption Increased capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Temperature gradient Heat transfer co-efficient Heat transfer area Mechanical strength of the equipment Temperature gradient Heat transfer co-efficient Heat transfer area Mechanical strength of the equipment ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature difference to the temperature gradient at the wall None of these Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal diffusivity heat transfer co-efficient heat flux thermal conductivity thermal diffusivity heat transfer co-efficient heat flux thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. May increase or decrease; depends on the liquid Remains unchanged Decreases Increases May increase or decrease; depends on the liquid Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP