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?

Margarine is a/an________?

Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler?

Solution used in Doctor’s treatment for the removal of mercaptans is________?

Which of the following thermometers is not suitable for distant reading upto 60 metres?

Which of the following furnaces will have maximum thermal efficiency?