6436Chemical EngineeringMedium
A ________ surface has the maximum thermal emissivity out of the following?
AWhite & rough
BWhite & smooth
CBlack & smooth
DBlack & rough
Correct answer
D. Black & rough
Explanation
The correct answer is Black & rough.
Correct answer
D. Black & rough
Explanation
The correct answer is Black & rough.
BOD of raw municipal sewage may be in the range of about ________ mg/litre?
The vacuum maintained in vacuum distillation unit for reduced crude is about ________ mm Hg?
The operating pressure drop range in a bag filter is about ________ mm water gauge?
In sub-cooled boiling?
An ideal nozzle design aims at________?
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is________?