Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Hyperbolic Parabolic Logarithmic Linear Hyperbolic Parabolic Logarithmic Linear ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Dowtherm Water Molten sodium Air Dowtherm Water Molten sodium Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to f/4 2f f f/2 f/4 2f f f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient increase the heat transfer area relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase log mean temperature gradient increase the heat transfer area relieve stresses caused by thermal expansion facilitate cleaning of the exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat transfer rates does not depend upon the distance between the heat source and the object receiving the heat type of absorbing surface none of the listed here surface area and temperature of the heat source distance between the heat source and the object receiving the heat type of absorbing surface none of the listed here surface area and temperature of the heat source ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place From one part of a body to the another part of the same body Between two bodies in physical contact with each other Between two bodies not in physical contact with each other Both B & C From one part of a body to the another part of the same body Between two bodies in physical contact with each other Between two bodies not in physical contact with each other Both B & C ANSWER DOWNLOAD EXAMIANS APP