Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Temperature gradient Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffles are provided in heat exchangers to increase the Heat transfer area Fouling factor Heat transfer rate Heat transfer co-efficient Heat transfer area Fouling factor Heat transfer rate Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Co-current Laminar Turbulent Counter-current Co-current Laminar Turbulent Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Prandtl Nusselt Grashoff Stanton Prandtl Nusselt Grashoff Stanton ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Molten sodium (a coolant used in fast breeder reactor) Water Dilute H₂SO₄ Transformer oil Molten sodium (a coolant used in fast breeder reactor) Water Dilute H₂SO₄ Transformer oil ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS