The equivalent diameter for pressure drop is ________________ that for heat transfer?

Related Mcqs:

With increase in temperature, the total emissivity of conductors____________________?

A. Increases B. Decreases C. Remain same D. Decreases linearly...

When warm and cold liquids are mixed, the heat transfer is mainly by_______________?

A. Conduction B. Convection C. Radiation D. Both A. & C....

Multipass heat exchangers are used______________________?

A. Because of simplicity of fabrication B. For low heat load C. To obtain higher heat transfer co-efficient and shorter tube D. To reduce the pressure drop...

Prandtl number is the reciprocal of____________________?

A. Thermal diffusivity/Momentum diffusivity B. Thermal diffusivity × Momentum C. Thermal diffusivity × Mass diffusivity D. Mass diffusivity × Momentum diffusivity...

The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body)?

A. αT B. α × 1/T C. α T4 D. Independent of T...