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Chemical Engineering — Test 177

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Question 1
. Operating principle of cyclone separator is based on the action of _______________ dust particles?
Question 2
Peroxyacetyl nitrate (PAN), a pollutant is found in the_________________?
Question 3
Lagooning process is mainly a means of the__________________?
Question 4
Siderosis is a disease caused by the inhalation of ______________ dust?
Question 5
Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about ______________ decibels?
Question 6
A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from ______________ ppm?
Question 7
‘Pneumoconiosis’ is a disease caused by the inhalation of ______________ dust?
Question 8
COD of raw municipal sewage may be in the range of about _____________ mg/litre?
Question 9
Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is _____________ decibels?
Question 10
Exposure to chemicals having carcinogenic properties cause ____________________?