Heat Transfer In a forward feed multiple effect evaporator unit None of these Viscosity of liquid is highest in first effect Transfer from effect to effect is done by pumps No pump is required to withdraw the product from the last effect None of these Viscosity of liquid is highest in first effect Transfer from effect to effect is done by pumps No pump is required to withdraw the product from the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) √Δt Δt Δt³ Δt² √Δt Δt Δt³ Δt² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = 0.8hL Ha = hL Ha= 5hL Ha = 2hL Ha = 0.8hL Ha = hL Ha= 5hL Ha = 2hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Decreases May increase or decrease; depends on the feed Is not affected Increases Decreases May increase or decrease; depends on the feed Is not affected Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Remains same Increases Decreases linearly Decreases Remains same Increases Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.4 0.6 0.2 0.8 0.4 0.6 0.2 0.8 ANSWER DOWNLOAD EXAMIANS APP