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Environmental Science

Environmental Science
Noise is measured using sound meter and the unit is

sound
hertz
decibel
joule

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Environmental Science
A smog that occurs due to low temperature and has reducing environment is

los angeles smog
london smog
photochemical smog
greenland smog

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Environmental Science
Condensation nuclei may be:

All of these
Smoke from forest fires
Salt from the ocean
Nitric acid particles
Particles of dust

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Environmental Science
The deepest radiation inversion would be observed:

In polar regions in winter
In a deep valley during the summer
At the equator any day of the year
On a desert in winter
At the top of a high mountain in winter

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Environmental Science
If water vapour comprises 3.5 percent of an air parcel whose total pressure is 1,000 mb, the water vapour pressure would be:

35 mb
965 mb
1,035 mb
350 mb

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Environmental Science
_________ mixed with diesel reduces carbon monoxide emissions up to 50%.

Methanol
Phenol
Ethanol
Alcohol

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MORE MCQ ON Environmental Science

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