543Civil EngineeringMedium
Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is________?
A783
B1455
C552
D1352
Correct answer
A. 783
Explanation
The correct answer is 783.
Correct answer
A. 783
Explanation
The correct answer is 783.
If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is________?
For house drainage minimum gradient is________?
Viscosity of water in comparison to mercury is ________?
If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by________?
Which one of the following gases is most significant as air pollutant?
Liquids________?