Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/2 St = 4f St = f1/2 St = f/4 St = f/2 St = 4f St = f1/2 St = f/4 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 Remains unaffected Increases Decreases Increases exponentially Remains unaffected Increases Decreases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Solids Both solids & liquids Liquids Gases Solids Both solids & liquids Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 0°K none of the listed here 0°C 100°C 0°K none of the listed here 0°C 100°C 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 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 From one part of a body to the another part of the same body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation Both total & monochromatic monochromatic total None of the listed here Both total & monochromatic monochromatic total None of the listed here ANSWER DOWNLOAD EXAMIANS APP