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1531.

When a well is dug in water table aquifer the static water level in the well stands at:

A.	Upper elevation of water table	B.	Same elevation of term
C.	Lower elevation of water table	D.	None of these

1532.

A aquifer found between impermeable layer is:

A.	Non-artsian aquifer	B.	Artesian aquifer
C.	Unconfined aquifer	D.	Free aquifer

1533.

The pressure of water in confined aquifer is:

A.	Above atmospheric pressure	B.	At atmospheric pressure
C.	Below atmospheric pressure	D.	All are correct

1534.

In artesian aquifer the elevation to which water level rises in wall is:

A.	Water-table level	B.	Piezometric level
C.	Piezometric head	D.	Piezometric surface

1535.

A completely saturated aquifer is:

A.	Free aquifer	B.	Artesian aquifer
C.	Leaky aquifer	D.	Non-artesian aquifer

1536.

In artesian aquifer, te imaginary surface representing artesian pressure is:

A.	Water table pressure	B.	Piezometric level
C.	Peizometric head	D.	Piezometric surface

1537.

In semi-confined aquifer, when there is time lag between lowering of two water levels is:

A.	Semi-confined aquifer with prompt yield	B.	Semi-confined aquifer with delayed yield
C.	Both (a) and (b)	D.	None of these

1538.

A perched water-table is a special case of:

A.	Artesian aquifer	B.	Non-artesian aquifer
C.	Confined aquifer	D.	Non-confined aquifer

1539.

The properties of aquifer may be expressed in terms of:

A.	Hydraulic conductivity	B.	Transmissibility
C.	Specific yield	D.	All are correct

1540.

In semi-confined aquifer with prompt yield, the pheratic level is lowered when:

A.	Simultaneously lowered with piezometric level	B.	Simultaneously increased with piezometric level
C.	No change in piezometric level	D.	None of these