Heat Transfer Low thermal conductivity of heat insulating materials is due to its None of these Dense structure High specific heat High proportion of air space None of these Dense structure High specific heat High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on Increased Decreased None of these No effect on Increased Decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be > 1 1 Between 0 and 1 < 1 > 1 1 Between 0 and 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. Long tube None of these Falling film High pressure Long tube None of these Falling film High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.001 0.72 150 70 0.001 0.72 150 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Prandtl & Grashoff Reynolds Grashoff Both A & B Prandtl & Grashoff Reynolds Grashoff Both A & B ANSWER DOWNLOAD EXAMIANS APP