Moisture would find its way into insulation by vapour pressure unless it is prevented by __________________ ?

Related Mcqs:

Heat transfer takes place as per ________________?

A. zeroth law of thermodynamics B. first law of thermodynamic C. second law of the thermodynamics D. Kirchoff’s law E. Stefan’s law...

Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of__________________?

A. 0.002 B. 0.02 C. 0.01 D. 0.1 E. 0.5...

Thermal conductivity of wood depends on_______________?

A. moisture B. density C. temperature D. all of the above E. none of the above...

The value of Prandtl number for air is about _______________________?

A. 0.1 B. 0.3 C. 0.7 D. 1.7 E. 10.5...

A perfect black body is one which_______________?

A. is black in colour B. reflects all heat C. transmits all heat radiations D. abslprbs heat radiations of all wave lengths falling on it E. fully opaque...