Category: Waste Water Engineering

A. Magnetic compass
B. Theodolite
C. Level
D. Clinometer

A. The larger the sewer in size, more will be velocity
B. The smaller the sewer in size, less will be velocity
C. The larger the sewer in size, no deposition will take place
D. The larger the sewer in size, deposition will take place

A. Degradation
B. Active decomposition
C. Recovery
D. Cleaner water

A. The circular section of sewers provides maximum hydraulic mean depth
B. The circular sewers are provided for separate sewerage system
C. The circular sewers work efficiently if the sections run at least half full
D. All the above

A. Bath rooms
B. Wash basins
C. Kitchen sinks
D. Toilets

A. The water supply pipes carry pure water free from solid particles
B. The water supply pipes get clogged if flow velocity is less than self cleansing velocity
C. The sewers may be carried up and down the hills and valleys
D. The sewer pipes are generally laid along level hills

A. 2.30 m
B. 2.40 m
C. 2.45 m
D. 2.50 m

A. Lower end of ventilating column
B. Upper end of ventilating column
C. Upper end of the manhole
D. First step in manhole

A. 100
B. 60
C. 40
D. 20

A. Acid fermentation
B. Acid regressio
C. Alkaline fermentation
D. None of these