723Civil EngineeringMedium
In sewers the gas generally found, is________?
ACarbon dioxide (CO2)
BAll the above
CMethane (CH4)
DHydrogen sulphide (H2S)
Correct answer
B. All the above
Explanation
The correct answer is All the above.
Correct answer
B. All the above
Explanation
The correct answer is All the above.
By boiling water, hardness can be removed if it is due to________?
Normally, the angle of roof truss with asbestos sheets should not be less than________?
Within the consolidation process of a saturated clay________?
Which one of the following is a component of a shield for tunnelling?
Sinking fund is________?
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is________?