6882Chemical EngineeringMedium
The unit of heat transfer co-efficient is________?
ABTU/hr. °F
BBTU/hr. ft
CBTU/hr. °F. ft
DBTU/hr. ft2°F
Correct answer
D. BTU/hr. ft2°F
Explanation
The correct answer is BTU/hr. ft2°F.
Correct answer
D. BTU/hr. ft2°F
Explanation
The correct answer is BTU/hr. ft2°F.
The time taken for gravity flow of a fixed volume of liquid (as in Redwood viscometer) is directly proportional to its ________?
If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length________?
The diameter of a propeller agitator used in agitation tank ranges from ________ percent of the tank diameter and its peripheral speed is normally 300 to 500 metres/minute?
The absorptivity of a grey body at a given temperature ________ with increasing wavelength of radiation?
Which of the following is the most severe air pollutant?
Research octane number refers to the________?