Chemical Engineering Basics
During sensible cooling of air, its wet bulb temperature

Decreases but dew point remains constant
Increases & the dew point decreases
Increases but dew point remains constant
Decreases & the dew point increases

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Chemical Engineering Basics
Compression ratio of an I.C. engine is the ratio of the

Clearance volume to the volume swept by piston per stroke
Pressure after compression to that before compression
None of these
Volume of air in cylinder before compression to that after compression

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