20) The total energy line lies over the hydraulic gradient line by an amount equal to the

pressure head

velocity head

pressure head + velocity head

pressure head - velocity head

Answer is:

velocity head

less than

more than

equal

none of these

Answer is:

50%

56.70%

66.67%

76.66%

Answer is:

capillary tube method

orifice type viscometer

rotating cylinder method

all of these

Answer is:

Explanation:

The coefficient of viscosity may be determined by
* capillary tube method
* orifice type viscometer
* rotating cylinder method

tension at the base

overturning of the wall or dam

sliding of the wall or dam

all of these

Answer is:

Explanation:

The stability of a dam is checked for
* tension at the base
* overturning of the wall or dam
* sliding of the wall or dam