Engineering - Civil Enginnering

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1.

Which of the following causes a decrease in per capita consumption ?                        
A. use of metering system B. good quality of water
C. better standard of living of the people D. hotter climate



2.

A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called                        
A. house sewer B. lateral sewer
C. main sewer D. submain sewer



3.

A sewer that receives the discharge of a number of house sewers is called                        
A. house sewer B. lateral sewer
C. intercepting sewer D. submain sewer




4.

Activated carbon is used for                        
A. disinfection B. removing hardness
C. removing odours D. removing corrosiveness



5.

Air binding phenomena in rapid sand filters occur due to                        
A. excessive negative head B. mud ball formation
C. higher turbidity in the effluent D. low temperature



6.

Alkalinity in water is expressed as milli-grams per litre in terms of equivalent                        
A. calcium carbonate B. magnesium carbonate
C. sodium carbonate D. calcium hydroxide



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