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1571.

The true specific gravity of dominant material is:

A.	1.65	B.	2.65
C.	3.65	D.	4.65

1572.

The density of soil organic matter is usually about:

A.	1.15 to 1.29 g/cc	B.	1.3 to 1.5 g/cc
C.	1.5 to 1.65 g/cc	D.	1.65 to 2.65 g/cc

1573.

When the bulk density of medium to fine textured subsoil exceeds about 1.7 g/cc the value of hydraulic conductivity of soil is:

A.	Low	B.	Medium
C.	High	D.	None of these

1574.

A ratio of mass of water to mass of soil is referred to as:

A.	Volume wetness	B.	Gravimetric water
C.	Degree of saturation	D.	All are correct

1575.

A soil consistency in the characteristics of the soil at various moisture content when influenced by physical force is:

A.	Cohesion	B.	Adhesion
C.	Both (a) and (b)	D.	None of these

1576.

Water that holds highly to the surface of soil particles by adsorption force is:

A.	Hygroscopic water	B.	Capillary water
C.	Gravitational water	D.	None of these

1577.

Water held by force of surface tension is:

A.	Gravitational water	B.	Hygroscopic water
C.	Capillary water	D.	None of these

1578.

The capillary water is held between tensions of about:

A.	15 atm	B.	31 atm
C.	More than 31 atm	D.	None of these

1579.

The capillary adjustment is very sluggish between:

A.	15 and 30 atm	B.	31 and 15 atm
C.	31 and 41 atm	D.	41 and 15 atm

1580.

Infiltration rate is generally lower in soils of:

A.	Heavy texture	B.	Light texture
C.	Medium texture	D.	None of these