Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as ‘d’ will be__________________?

Related Mcqs:

Value of Peclet number = ∞, is the representative of___________________?

A. Laminar flow B. Complete back mixing C. Plug flow D. Eddy diffusivity = 0...

The thermal stress in a metallic bar does not depend upon the_____________________?

A. Changes in temperature B. Cross-sectional area C. Both A. and B. D. Neither A. nor B....

The dust collection efficiency of electrostatic precipitator increases with increase in the_________________?

A. Gas flow rate B. Electrode area C. Both A. & B. D. Neither A. nor B....

The value of fouling factor depends upon the__________________?

A. Characteristic of process fluid B. Velocity of process fluid containing suspended solids C. Suspended solids in the fluid D. All A., B. and C....

Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the__________________?

A. Practical limit reached, due to low heat transfer rate because of inadequate temperature difference B. Economic limit reached, when the plant cost exceeds the saving of steam C. Both A. & B. D. Neither A. nor B....