Evaporator tubes are generally_____________________?

Related Mcqs:

LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface area required is the least in the ______________ flow?

A. Parallel B. Mixed C. Counter flow D. Same in either A , B. or C....

With increase in temperature, the thermal conductivity of a gas ___________________?

A. Increases B. Decreases C. Remain same D. May increase or decrease depending on the type of gas...

During crystallisation, formation of crystal can occur in ______________ solution only?

A. Saturated B. Supersaturated C. Under-saturated D. All A., B. and C....

For an ideal black body______________________?

A. Absorptivity = 1 B. Reflectivity = 1 C. Emissivity = 0 D. Transmissivity = 1...

The actual temperature drop across the heating surface in an evaporator depends on the_________________?

A. Feed B. Depth of liquid over heating surface C. Pressure difference between steam chest and vapour space D. All A., B. and C....