Civil Engineering MCQs

A. Ultra violet rays treatment
B. Lime treatment
C. By using potassium permanganate
D. Chlorination

A. Increases
B. Decreases
C. Remains unaffected
D. None of the above

A. 9500
B. 9800
C. 10100
D. 10920

A. Reduced at higher ph value of water
B. Unaffected by ph value of water
C. Increased at higher ph value of water
D. Highest at ph value equal to 7

A. It is unsuitable for turbid and acidic water
B. Huge amount of precipitate is formed which creates a disposal problem
C. The effluent cannot be reduced to zero hardness
D. It is unsuitable for softening the water of excessive hardness

A. Disinfection
B. Removing hardness
C. Removing odours
D. Removing corrosiveness

A. Dead end system
B. Grid iron system
C. Radial system
D. Ring system

A. Grid iron system
B. Dead end system
C. Ring system
D. Radial system

A. Circle method
B. Equivalent pipe method
C. Electrical analysis method
D. Hardy cross method

A. Check valve
B. Sluice valve
C. Safety valve
D. Scour valve