MP Sub Engineer_CE Environment Engineer Quiz-7

The gas which is responsible for heart attacks and high mortality rates caused by incomplete combustion of organic matter is

Match List I with List-II and select the correct answer using the codes given below the lists :

The sound pressure level for a jet plane on ground has sound pressure of 2000 N/m² should be

Use of sound proofing material for lining of walls and ceiling can absorb

Electrostatic precipitators are extensively used to trap the

Sulphur dioxide is an air pollutant, which is mainly emitted by

If we completely remove the of the decomposers from an ecosystem, its function will be adversely affected because

Acceptable noise level in dB for auditorium is:

Sabine’s formulas to calculate reverberation time is

Which of the radioisotope affects the entire body tissues