Soluble silica present in boiler feed water can be removed by

Soluble silica present in boiler feed water can be removed by

Deaeration of high pressure boiler feed water is done to reduce

Deaeration of high pressure boiler feed water is done to reduce

Salt content in sea water is about __________ percent.

Salt content in sea water is about __________ percent.

Which of the following is the common pollutant emitted from metallurgical smelte

Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants?

Thermal pollution due to excessive heat & temperature in the working place cause

Thermal pollution due to excessive heat & temperature in the working place causes

‘Particulate’ air pollutants are finely divided solids and liquids. Which of the

‘Particulate’ air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’?

Which of the following processes is involved in the biochemical treatment of sew

Which of the following processes is involved in the biochemical treatment of sewage effluents?

Algae growth in water is controlled by

Algae growth in water is controlled by

Ionisation potential employed in the industrial electrostatic precipitator is of

Ionisation potential employed in the industrial electrostatic precipitator is of the order of

Automobile exhaust is passed through two compartments catalytic converter employ

Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for

Noise produced by cooling fans (employed in air cooled heat exchangers or coolin

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade…

Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) fr

Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes