Which of the following is a green house gas other than CO2 ?

Related Mcqs:

From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________________ ppm?

A. 5 B. 50 C. 500 D. 5000...

The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of _____________ of water?

A. Dissolved oxygen content B. Biological oxygen demand C. Vapor pressure D. All A., B. and C....

Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about ______________ decibels?

A. 75 B. 95 C. 120 D. 140...

In a sedimentation tank, the detention period for water ranges from _____________ hours?

A. 2 to 4 B. 8 to 12 C. 16 to 20 D. 24 to 32...

Foaming and priming in boiler operation can be reduced by reduction in ______________ in feed water?

A. Turbidity B. Color (Hazen) C. Total solids D. All A., B. & C....