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Chemical Engineering / Q&A

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?

Chemical Engineering / Q&A, MCQs / Q&A /
High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?

A. 5 to 10
B. 15 to 25
C. 45 to 50 (Correct)
D. 75 to 80

 

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of ‘n’ is exactly 4 for__________________?

Chemical Engineering / Q&A, MCQs / Q&A /
The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of ‘n’ is exactly 4 for__________________?

A. Black painted bodies only
B. All bodies (Correct)
C. Polished bodies only
D. A black body

 

The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of ‘n’ is exactly 4 for__________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

For a given fluid, as the pipe diameter increases, the pumping cost ______________________?

Chemical Engineering / Q&A, MCQs / Q&A /
For a given fluid, as the pipe diameter increases, the pumping cost ______________________?

A. Decreases (Correct)
B. Increases
C. Remains the same
D. May increase or decrease, depending upon whether the fluid is Newtonian or non-Newtonian

 

For a given fluid, as the pipe diameter increases, the pumping cost ______________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A