The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) _________________?

Related Mcqs:

If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows _____________ law?

A. Parabolic B. Hyperbolic C. Linear D. Logarithmic...

Solid angle subtended by the finite surface at the radiating element is_________________?

A. Called the view factor B. Called the angle of vision C. Proportional to the square of the distance between surfaces D. Expressed in terms of radians...

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...

Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer cannot take place____________________?

A. Between two bodies in physical contact with each other B. Between two bodies not in physical contact with each other C. From one part of a body to the another part of the same body D. Both B & C...

The main purpose of providing fins on heat transfer surface is to increase the_________________?

A. Temperature gradient B. Mechanical strength of the equipment C. Heat transfer area D. Heat transfer co-efficient...