1. . Longitudinal slope of a sewer line is called:
(A) Cross slope
(B) Country slope
(C) Gradient
(D) Camber
2. . Construction work of sewer line should be started from:
(A) End point
(B) Start point
(C) Middle
(D) Anywhere
3. . Lowest level inside the sewer pipe is called:
(A) Crest Level
(B) Bed Level
(C) Minimum Level
(D) Invert Level
4. . The function of a manhole:
(A) Collection
(B) Aeration
(C) Cleaning
(D) All of these
5. . This item is not included in the estimate of a manhole:
(A) Rubber ring
(B) Earth work
(C) Iron step
(D) Benching
6. . The manhole constructed to join the sewer lines of different levels:
(A) Deep manhole
(B) Shallow manhole
(C) Large manhole
(D) Lamp manhole
7. . Sewer line receiving only rain water is called:
(A) Domestic sewer
(B) Trunk sewer
(C) Combined sewer
(D) Storm sewer
8. . Measuring units of back filling for sewer trench is:
(A) Number
(B) Rft
(C) Cft
(D) Sft
9. . Hydraulic statement shows:
(A) Levels
(B) Velocity
(C) Discharge
(D) All of these
10. . Timbering and dewatering may be work items for:
(A) Septic tank
(B) Sewer line
(C) Lift
(D) Lead
11. . It is used for preventing foul gas from sewer to house:
(A) RWP
(B) Traps
(C) Drains
(D) WHB
12. . Trap to disconnect the house drain from public sewer:
(A) Intercepting trap
(B) Floor trap
(C) Gully trap
(D) None of these
13. . Flushing cisterns are used for flushing out:
(A) Water closet
(B) Urinal
(C) Kitchen sink
(D) a & b
14. . Working chamber & access shaft are the parts of:
(A) Septic tank
(B) Soakage pit
(C) Deep manhole
(D) Gully trap
15. . Traps are used to maintain the:
(A) Floor level
(B) Water seal
(C) Drainage
(D) Flushing