Water Supply and Sanitary

121) The rate of BOD exerted at any time is under

Discuss in Comment

directly proportional to BOD remaining

122) Select the correct statement.

Discuss in Comment

5 day BOD is less than 4 day BOD keeping other conditions same

123) Standard BOD is measured at

Discuss in Comment

20°C-5day

124) Settling velocity increases with

Discuss in Comment

depth of tank

125) The pathogens can be killed by

Discuss in Comment

chlorination

126) Which of the following retards the purification of stream?

Discuss in Comment

none of the above

127) The design discharge for the separate sewer system shall be taken as

Discuss in Comment

6 x DWF

128) The design discharge for the combined sewer system shall be taken as

Discuss in Comment

rainfall + 2 DWF

129) The time of concentration is defined as

Discuss in Comment

sum of (a) and (b)

130) The specific gravity of sewage is

Discuss in Comment

slightly greater than 1

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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