Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?

Related Mcqs:

Thermal conductivity of solid metals with rise in temperature normally___________________?

A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. unpredictable...

Thermal conductivity of a material may be defined as the________________?

A. quantity of heat flowing in one second through one cm cube of material when opposite faces ^re maintained at a temperature difference of 1°C B. quantity of heat flowing in one second through a slab of the material of area one cm square, thickness 1 cm when its faces differ in temperature by 1°C … Thermal conductivity of a material may be defined as the________________?Read More...

Emissivity of a white polished body in comparison to a black body is________________?

A. higher B. lower C. same D. depends upon the shape of body E. none of the above...

The unit of overall coefficient of heat transfer is___________________?

A. kcal/m2 B. kcal/hr °C C. kcal/m2 hr °C D. kacl/m hr °C E. kcal/m3 hr °C...

The emissive power of a body depends upon its___________________?

A. temperature B. wave length C. physical nature D. all of the above E. none of the above...