Heat Transfer Fouling factor Does not provide a safety factor for design Is a dimensionless quantity Accounts for additional resistances to heat flow None of these Does not provide a safety factor for design Is a dimensionless quantity Accounts for additional resistances to heat flow None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. no the largest the least lower no the largest the least lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall None of these By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall None of these By direct contact of hot flue gas with air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 5.6697 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Both A and B Total radiation only Monochromatic radiation only Only volumes and not to surfaces Both A and B Total radiation only Monochromatic radiation only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer _______ paint has the maximum absorption coefficient. Black Grey White Yellow Black Grey White Yellow ANSWER DOWNLOAD EXAMIANS APP