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Civil Engineering Mcqs

A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is_____________________?

A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is_____________________?

A. 0.30 m/sec
B. 0.35 m/sec
C. 0.40 m/sec
D. 0.45 m/sec

A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is_____________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known_____________________?

The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known_____________________?

A. House sewer
B. Lateral sewer
C. Branch sewer
D. Sewer outfall

The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known_____________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of___________________?

For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of___________________?

A. 100 cm
B. 120 cm
C. 140 cm
D. 160 cm

For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of___________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?

For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?

A. Potassium permanganate
B. Sulphuric acid and napthamine
C. Phenol-di -sulphuric acid potassium hydroxide
D. None of these

For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is______________________?

The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is______________________?

A. 213.5 cm/sec
B. 313.5 cm/sec
C. 413.5 cm/sec
D. 500 cm/sec

The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is______________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering