Heat Transfer Which of the following is correct ? Rate = Resistance/Driving force Rate = Driving force x Resistance Driving force = Rate x Resistance Resistance = Driving force x Rate Rate = Resistance/Driving force Rate = Driving force x Resistance Driving force = Rate x Resistance Resistance = Driving force x Rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low thermal conductivity viscosity Prandtl number Grashoff number thermal conductivity viscosity Prandtl number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a body is equal to its emissivity for circular bodies at a particular temperature none of the listed here under thermal equilibrium for circular bodies at a particular temperature none of the listed here under thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 0°C none of the listed here 100°C 0°K 0°C none of the listed here 100°C 0°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/4 St = f1/2 St = 4f St = f/2 St = f/4 St = f1/2 St = 4f St = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 1.66 Dependent on NRe only 88.66 3.66 1.66 Dependent on NRe only 88.66 3.66 ANSWER DOWNLOAD EXAMIANS APP
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