Water Management Quiz 5

According to Mr. Khosla, the seeping water creates undermining and the undermining starts from________?

The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called________?

The various works constructed on river side to control the flow and pass it safely from hydraulic structures are called _________?

The water in swimming pools can be ____________ by using any one from the following, chlorine-ultraviolet rays and bromine t ?

An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called _________?

A structure constructed in channel width having narrow throat and raised floor in bottom, used for measuring discharge is called ___________?

The water particles held in soil pores of root zone by _____________ against gravity and is known as capillary water?

The loss of head due to friction according to Darcy?s formula is ___________?

The precipitation that falls during the growing season of the crop is called________?

A line shown on a map, drawn between the points of equal levels or heads is called __________?

The height from the top of the embankment to the normal water level in canal .Dam ? Reservoir etc, which allows for small waves to splash without over flow is called_________?

The groyne pointing upwards direction of flow is called ____________?

Art of mixing saline water with fresh water in accordance with some ratio for irrigation purpose is called _______?

The experiment of capillary rise is performed in a glass tube of smaller diameter, because_________?

The amount of moisture content present in the air, when it is expressed as weight per unit volume is called ________________?

The force with which the particles of same body are held together is called_______________?

The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from_________?

That part of the flow in a stream comes from sub-soil or valley, may be beneath the top surface of channel bed is called________?

A plot of graphical representation showing river flow against time is called ___________?

Sediment particles smaller than 0.002 mm which do not settle in water are called__________?

If the duration of a unit hydrograph approaches zero, the resulting unit hydrograph is called ________?

An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called ___________?

The piles driven in low bearing capacity soil which does not rest on hard rock but bears the coming load due to side resistance is called ________________?

The hydraulic gradient line (H.G.L)represents the sum of_______?

Hydrology is the science which deals with the depletion and recharge of water resources yearly therefore. its knowledge is a must to _______ properly the water resources?

When the air in a atmosphere is fully saturated with the vapours present in it, then the pressure exerted by such wet air mass will be called __________?

Mercury does not wet the glass because of its property of ____________?

The aeration of water is done to remove _______?

The water evaporates from paddy surfaces to the atmosphere in the form of water vapours, these water vapours get collected in the atmosphere and behave & like_______?

Aeration holes are provided to reduce the inside saturation pressure __________?

The weight per unit of liquid at standard Temperature and pressure is called_________?

A hydraulic jump to dissipate energy when flow is ________?

Sliding failure occurs in a solid gravity dam when__________?

The law which states that the intensity of pressure at any point in a liquid at rest is same in all directions_______?

When the reservoir is full, the maximum compressive force in a gravity dam is produced _________?

The wall of masonry or concrete, constructed at 90? to the axis of weir to separate normal weir from under sluices is called__________?

Flow in which each liquid particle has a definite path is called ___________?

velocity of gases is measured with a ___________?

The total energy line lies over the hydraulic gradient line by an amount equal to________________?

If E1 is the energy before the hydraulic jump and E2 is the energy after the hydraulic jump the efficiency of jump is then given by ___________?

The depth of root zone for rice crop is about_________?

The rise in river water level at up stream due to construction of weir is called________?

When the fluid properties do not change with time, it is a ___________ flow?

When FSL of the canal is sufficiently below the bottom of the drain, so that water flows freely under gravity, such structures is called___________?

The specific weight of water at normal pressure of 760 mm, 4?C temperature and at mean sea level is ____________?

An aquifer in which water contained under high pressure as the? aquifer is sand witched between two impervious layer is called_________?

The resultant pressure of water acting at ______________?

When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called_________?

Rabi crops pertains to _________?