Which one gives the monochromatic emissive power for black body radiation ?

Related Mcqs:

Reason for operating an evaporator in multiple effects is to secure ___________________?

A. Increased steam economy B. Decreased steam consumption C. Both A. and B. D. Increased capacity...

In a single evaporator system, the steam economy ________________ by creating vacuum in the evaporator?

A. Increases B. Decreases C. Remain constant D. May increase or decrease, depends on the vacuum...

The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are_______________?

A. Re.Gz B. Nu, Pr C. Nu, Pr, Re D. Nu, Gz...

In forced convection, the Nusselt number is a function of ____________________?

A. Re and Pr B. Re and Gr C. Pr and Gr D. Re and Sc...

Finned tube heat exchangers__________________?

A. Give larger area per tube B. Use metal fins of low thermal conductivity C. Facilitate very large temperature drop through tube wall D. Are used for smaller heat load...