In a forward feed multiple effect evaporator, the pressure is ____________________?

Related Mcqs:

In SI units, thermal conductivity is expressed in__________________?

A. Watt/m.°K B. Watt/m2. °K C. Watt/m2. °K D. Watt/m4. °K...

Out of the following four assumptions used in the derivation of the equation for LMTD [LMTD = (Δt1 – Δt2)/ln(Δt1/Δt2)], which one is subject to the largest deviation in practice ?

A. Constant overall heat transfer co-efficient. B. Constant rate of fluid flow C. Constant specific heat D. No partial phase change in the system...

A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions? Assume that the conductive heat transfer co-efficient is infinitely large ?

A. 5 minutes B. 10 minutes C. 20 minutes D. 40 minutes...

In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred_________________?

A. Through a metallic wall B. By direct contact of hot flue gas with air C. By heating an intermediate material (like chequor bricks) and then heating the air from this hot material D. None of these...

Harmonic mean temperature difference is given by_________________?

A. √(ΔT1 . ΔT2) B. 2 (ΔT1 . ΔT2)/(ΔT1 + ΔT2) C. 2 (ΔT1 . ΔT2)/(ΔT1 – ΔT2) D. (ΔT1 – ΔT2)/(ΔT1 . ΔT2)...