Nucleate boiling is promoted ___________________?

Related Mcqs:

With increase in temperature, the total emissivity of conductors____________________?

A. Increases B. Decreases C. Remain same D. Decreases linearly...

Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator ?

A. Long vertical evaporator B. Horizontal tube evaporator C. Agitated film evaporator D. Calandria vertical tube evaporator...

With increase in temperature, the thermal conductivity of fresh lubricating oil ___________________?

A. Increases B. Decreases C. Remains unchanged D. May increase or decrease; depends on its composition...

In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid _______________?

A. Is inversely proportional to the resistance across which the drop occurs B. And the wall are proportional to individual resistances C. And the wall is not related D. None of these...

Which of the following situations can be approximated to a steady state heat transfer system ?

A. A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at 35°C B. 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C C. Boiling brine kept in open vessel when the bottom surface … Which of the following situations can be approximated to a steady state heat transfer system ?Read More...