Environmental Engineering in CE
A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the

Ionosphere
Global warming
Green house
Atmospheric effect

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Environmental Engineering in CE
Smoke is produced due to

Poor design & overloading of furnace
Insufficient supply of combustion air and insufficient time for combustion
All of these
Poor quality of fuel and improper mixing of fuel & combustion air

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