741. R.M.O. expenses include___________________?
A. Running expenses
B. Maintenance expenses
C. Operation expenses
D. All the above
✅ The correct answer is option D.
Civil Engineering
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742. In a static fluid__________________?
A. resistance to shear stress is small
B. fluid pressure is zero
C. linear deformation is small
D. only normal stresses can exist
✅ The correct answer is option D.
743. In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is_____________________?
A. 5
B. 10
C. 15
D. 20
✅ The correct answer is option D.
744. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________?
A. the area is horizontal
B. the area is vertical
C. the area is inclined
D. all of the above
✅ The correct answer is option D.
745. The clarigesters are_________________?
A. Circular septic tanks
B. Rectangular septic tanks
C. Circular Imhoff double tanks with bottom hoppers
D. Circular Imhoff double storey tanks without bottom hoppers
✅ The correct answer is option D.
746. A circular sewer section is preferred to because__________________?
A. It is cheaper in construction
B. It provides maximum area for a given perimeter
C. It provides maximum hydraulic mean depth
D. All the above
✅ The correct answer is option D.
747. In a fully mechanised composting plant, involves________________?
A. Mechanized receipt
B. Mechanized segregation
C. Mechanized pulverising of refuse
D. All of these
✅ The correct answer is option D.
748. Which one of the following statements is correct ?
A. During the day, earth reflects solar radiation
B. During the day, earth reflects both solar radiations the emission from its surface
C. During the night, earth emits radiation from its surface
D. All of these
✅ The correct answer is option D.
749. ¾th or ¼th extra space is left in sewer pipes at maximum discharge for_________________?
A. Low estimates of the average and maximum flows
B. Large scale infiltration of storm water
C. Unexpected increase in population
D. All the above
✅ The correct answer is option D.
750. running partially full with central angle , For a circular sewer of diameter__________________?
A. d/D = ½ (1 – –
B. a/A
C. r/R = [1 –
D. All the above
✅ The correct answer is option D.