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1361.

Specific gravity separator makes the separation as per difference in:

A.	Density	B.	Shape
C.	Roughness	D.	Relative length

1362.

Specific gravity separator works on the principle of:

A.	Characteristics of grain to flow down over an inclined surface	B.	Flotation of the particles due to upward movement of air
C.	Both (a) and (b)	D.	None of these

1363.

The shape of perforated deck used in specific gravity separator is:

A.	Triangular	B.	Rectangulr
C.	Circular	D.	Hexagonal

1364.

In inclined draper, the major factor causing the separation of grain is:

A.	Shape and size	B.	Shape and surface texture
C.	Shape and weight	D.	Weight and size

1365.

The major controlling factor in separation of grain by fluidized bed separator is:

A.	Air velocity and weight of grain	B.	Shape and size of grain
C.	Shape and texture of grain	D.	Magnetic and arodynamic properties of grain

1366.

Fluidized bed separator used to separate the seed is:

A.	Lighter seeds	B.	Medium seeds
C.	Heavier seeds	D.	All kinds of seeds

1367.

The separation of grain in magnetic separator is carried out on the basis of:

A.	Specific gravity	B.	Surface texture
C.	Roundness	D.	Relative length

1368.

Cyclone separator works on:

A.	Centrifugal force	B.	Fravity force
C.	Inertia force	D.	None of these

1369.

Contour trenching is done mainly in:

A.	Low rainfall areas for moisture conservation	B.	High rainfall areas for moisture conservation
C.	Arid zones for wind erosion control	D.	All are correct

1370.

The capacity of moral type storage structure is about:

A.	2.5 to 15 tonnes	B.	3.5 to 18 tonnes
C.	4.5 to 20 tonnes	D.	5 to 25 tones