Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 0.06 to 120 l to 50 0.6 to 120 1 to 103 0.06 to 120 l to 50 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Capacity Steam load None of these Economy Capacity Steam load None of these Economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Prandtl & Grashoff Grashoff Reynolds Both A & B Prandtl & Grashoff Grashoff Reynolds Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Decreases Increases exponentially Remains unaffected Increases Decreases Increases exponentially Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Refract Both B & C Reflect Absorb or emit Refract Both B & C Reflect Absorb or emit ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 0.5 2 100 10 0.5 2 100 10 ANSWER DOWNLOAD EXAMIANS APP