Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2.°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the_________________?

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An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?

A. Boiler B. Heat exchanger C. Recuperator D. Regenerator...

In case of _______________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface?

A. Nucleate B. Local C. Pool D. Saturated...

In a forward feed multiple effect evaporator unit__________________?

A. Viscosity of liquid is highest in first effect B. Transfer from effect to effect is done by pumps C. No pump is required to withdraw the product from the last effect D. None of these...

In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is_________________?

A. Infinity B. Zero C. Same as average heat transfer co-efficient for tube side D. None of these...

Thermal diffusivity is the most important in heat transfer by__________________?

A. Conduction B. Radiation C. Condensation D. Natural convection...