Chemical Engineering Basics Mcqs

Q.  Out of the following substances, one ton of ______________ will store the maximum heat for a rise of 30°C in temperature ?

a. Steel
b. Lignite
c. Water
d. Lime stone


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?
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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?
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MCQs:  Smog is ______________________?
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MCQs:  Noise pollution level in a chemical plant is expressed in __________________?
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MCQs:  Which of the following is not a weightless pollutant ?
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MCQs:  Noise level in a quiet private business office is about _____________ decibels?
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MCQs:  Which of the following fine dust removal equipments is the most efficient ?
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MCQs:  Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is _______________ micro gram (μ g)/litre?
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MCQs:  From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________________ ppm?
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MCQs:  Fresh sewage is ______________ in nature?
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MCQs:  ______________ is the process of killing organism in water ?
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MCQs:  Salt content in sea water is about ______________ percent?
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MCQs:  High noise levels produced during operation of fans and compressors can be reduced by using__________________?
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MCQs:  Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?
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MCQs:  Which of the following is an adsorbent for removal of nitrogen oxides from gas/air ?
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MCQs:  The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?
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MCQs:  Which of the following is not a practical method of low level radioactive waste disposal ?
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MCQs:  Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of_________________?
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MCQs:  Global warming may result in __________________?
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MCQs:  Ringelmann chart No. 2 corresponds to _______________ percent black smoke?
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