- (A) Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
- (B) The rate of transfer of radiant energy is called flux and is expressed in watts
- (C) The radiant energy which falls upon a surface is termed as irradiance
- (D) All of these
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- (A) 15 days
- (B) 30 days
- (C) 60 days
- (D) 90 days
- (A) Less than 150
- (B) Between 150 to 200
- (C) Between 200 to 300
- (D) More than 500
- (A) The sewage when running full from inside, is called internal pressure
- (B) The internal pressure if any, causes tensile stress in the pipe material
- (C) Pressure sewers are designed to be safe in tension
- (D) All the above
- (A) Width of the tank is normally kept about 6 m
- (B) Length of the tank is normally kept 4 to 5 times the width
- (C) Maximum horizontal flow velocity is limited to 0.3 m/minute
- (D) All the above
- (A) Water test
- (B) Smoke test
- (C) Straightness test
- (D) All the above
- (A) 15 cm c/c
- (B) 22.5 cm c/c
- (C) 30 cm c/c
- (D) 50 cm c/c
- (A) Light in weight
- (B) Not structurally strong to bear large compressive stress
- (C) Susceptible to corrosion by sulphuric acid
- (D) All the above
- (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
- (A) Average daily rate of flow
- (B) Average monthly rate of flow
- (C) Average annual rate of flow
- (D) Water supply allowance per capita
