Chemical Engineering Basics Mcqs

Q.  ____________________ metal is used as a bearing liner material?

a. Pewter
b. White
c. Babbitt
d. Gun


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________________?
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MCQs:  In water treatment plant, zeolite process is used to remove the _____________ of water?
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MCQs:  Disinfection of water is done to remove ______________________?
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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?
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MCQs:  The upper layer of atmosphere is called the ____________________?
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MCQs:  The term Biological Oxygen Demand (BOD) is used in relation to ______________________?
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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 ?
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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:  ______________ is the process of killing organism in water ?
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