In case of a vertical tube evaporator, with increase in the liquor level, the___________________?

Related Mcqs:

The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m2.K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m2.K. The overall heat transfer co-efficient at this time is _____________________?

A. 1200 W/m2.K B. 894 W/m2.K C. 333 W/m2.K D. 287 W/m2.K...

Indirect contact heat exchangers are preferred over direct contact heat exchangers, because_________________?

A. Heat transfer co-efficient are high B. There is no risk of contamination C. There is no mist formation D. Cost of equipment is lower...

A BTU/hr.ft.2 °F is equal to_________________?

A. 1 kcal/hr. m2°C B. 4.88 kcal/hr. m.2°C C. 1 kcal/hr. m2.°K D. None of these...

Which of the following has the lowest Prandtl number ?

A. Molten sodium (a coolant used in fast breeder reactor) B. Water C. Transformer oil D. Dilute H2SO4...

Evaporation by thermo compression results in the _________________________?

A. Saving of steam B. Realisation of multiple effect economy in a single effect C. Both A. and B. D. None of these...