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MCQs: Pick out the correct statement ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Pick out the wrong statement?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: In water treatment plant, zeolite process is used to remove the _____________ of water?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Disinfection of water is done to remove ______________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about _______________ decibels?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The average thickness of ozone layer in stratosphere is about _______________ dobson unit (DU)?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing ________________ molecules of ozone?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The upper layer of atmosphere is called the ____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The term Biological Oxygen Demand (BOD) is used in relation to ______________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Smog is ______________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Noise pollution level in a chemical plant is expressed in __________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following is not a weightless pollutant ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Noise level in a quiet private business office is about _____________ decibels?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following fine dust removal equipments is the most efficient ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is _______________ micro gram (μ g)/litre?
Category: Chemical Engineering Mcqs, Published by: teswesm
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