With increase in temperature, the thermal conductivity of most liquids_________________?

Related Mcqs:

Critical value of the _____________ number governs the transition from laminar to turbulent flow in free convection heat transfer?

A. Grashoff B. Reynolds C. Both ‘a’ & ‘b’ D. Prandtl & Grashoff...

Forced circulation evaporators are normally used for concentrating liquids having ___________________?

A. Scaling characteristics B. High viscosity C. Both A. & B. D. Neither A. nor B....

Which of the following is not concerned with the heat transfer ?

A. Brinkman number B. Stanton number C. Schmidt number D. Peclet number...

Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around ______________ BTU?

A. 180 B. 970 C. 3.97 D. None of these...

A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to_____________________?

A. d0.8 B. d-0.2 C. d-1 D. d-1.8...