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.Management Sciences
A. The boning rod is used for checking the levels of the sewer inverts
B. Manhole covers are made circular for the convenience of the cleaning staff
C. A manhole is classified as shallow manhole if its depth is less than 0.9 m
D. All the above
Related Mcqs:
- The asbestos cement sewers are_________________?
- A. Light in weight B. Not structurally strong to bear large compressive stress C. Susceptible to corrosion by sulphuric acid D. All the above...
- Self-cleansing velocity is__________________?
- A. Velocity at dry weather flow B. Velocity of water at flushing C. Velocity at which no accumulation remains in the drains D. Velocity of water in a pressure filter...
- Design period of 40 to 50 years is adopted for_________________?
- A. Branch sewers B. Main sewers C. Trunk sewers D. All the above...
- The small sewers are cleaned by____________________?
- A. Flushing B. Cane rodding C. Wooden pills D. None of these...
- Pick up the correct statement from the following ?
- A. Turbidity is more in strong sewage B. The black colour indicates septic sewage C. The sewage omits offensive odours after four hours D. All the above...
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