Q101
Open questionThe velocity of flow does not depend on
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Civil Engineering · all questionsEnvironmental Engineering
Environmental Engineering
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Q102
Open questionThe slope of sewer shall be
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Q103
Open questionThe overflow rate for plain sedimentation tanks is about
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Q104
Open questionThe main disadvantage of cement concrete sewers is
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Q105
Open questionWhich of the following compounds is widely used for algae control?
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Q106
Open questionSelect the correct statement.
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Q107
Open questionThe devices which are installed for drawing water from the sources are called
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Q108
Open questionThe treatment of water with bleaching powder is known as
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Q109
Open questionAs compared to higher pH values, the contact period required for efficient chlorination at lower pH values is
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Q110
Open questionThe disinfection efficiency of chlorine increases by
(i) Decreasing the time of contact
(ii) Decreasing the temperature of water
(iii) Increasing the temperature of water
(i) Decreasing the time of contact
(ii) Decreasing the temperature of water
(iii) Increasing the temperature of water
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Q111
Open questionWhich of the following causes a decrease in per capita consumption?
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Q112
Open questionThe process in which the chlorination is done beyond the break point is known as
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Q113
Open questionAlum as a coagulant is found to be most effective when pH range of water is
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Q114
Open questionComposting and lagooning are the methods of
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Q115
Open questionMost of the bacteria in sewage are
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Q116
Open questionThe per capital consumption of a locality is affected by
(i) Climatic conditions
(ii) Quality of water
(iii) Distribution pressure
(i) Climatic conditions
(ii) Quality of water
(iii) Distribution pressure
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Q117
Open questionAlkalinity in water is expressed as milligrams per litre in terms of equivalent
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Q118
Open questionWhich of the following unit works in anaerobic conditions?
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Q119
Open questionWhich of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system?
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Q120
Open questionThe detention period in coagulation tanks is usually kept as
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