Chemical Environmental Engineering Mcqs


Q.  Fine grit present in sewage is removed in the _____________ during sewage treatment?

a. Grit chamber
b. Detritus tank
c. Trickling filter
d. Skimming tank


ANSWER: See Answer
 
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MCQs:  Iron & manganese present as pollutant in water cannot be removed by__________________?
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MCQs:  Which is the most practical and economical method for removal of suspended solid matter from polluted water ?
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MCQs:  Which of the following pollutants, if present in atmosphere is detectable by its odour ?
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MCQs:  Removal of ______________ is accomplished by aeration of water?
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MCQs:  Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal ?
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MCQs:  Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called__________________?
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MCQs:  Inhalation of silica dust causes a disease called__________________?
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MCQs:  A shallow pond in which the sewage is retained and biologically treated is called__________________?
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MCQs:  Main pollutants released from iron & steel industry is__________________?
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MCQs:  The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is_________________?
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MCQs:  Dust collection efficiency of a cyclone separator depends upon its______________?
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MCQs:  Which of the following is the most severe air pollutant ?
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MCQs:  In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C ?
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MCQs:  The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the __________________?
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