Chemical Engineering MCQs

6108 MCQs  (Page 610 of 611)

Attempt Chemical Engineering Quiz
Inhalation of silica dust by human being causes ___________________?
A. Asphyxiation
B. Shortness of breath
C. Tuberculosis
D. Both b. & c.
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The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?
A. Chlorine
B. Alkalis
C. Benzene hexachloride
D. Alkyl benzene sulphonate (abs)
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The lowest layer of atmosphere is known as the_____________________?
A. Stratosphere
B. Troposphere
C. Ionosphere
D. None of these
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Carcinogenic air pollutants cause__________________?
A. Bone decay
B. Cancer
C. Asphyxiation (suffocation)
D. Anemia
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The resistance of water to the passage of light through it is a measure of the___________________?
A. Turbidity
B. Color
C. Hardness
D. Dissolved gases
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Polyvinyl chloride containers are not suitable for storing_________________?
A. Foodstuffs
B. Woolen clothes
C. Metallic powder
D. None of these
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Fresh domestic sewage is _______________ in color?
A. Grey
B. Dark brown
C. Red
D. Black
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Noise level inside a jet airliner in normal flight is about ______________ decibels?
A. 80
B. 100
C. 125
D. 150
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Aerosols present in atmospheric air may be__________________?
A. Positively charged
B. Negatively charged
C. Neutral
D. Combination of all a., b. & c.
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A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?
A. Hydrogen
B. Carbon dioxide
C. Ozone
D. None of these
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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