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961.

Power of centrifugal pump varies as:

A.	Square of speed	B.	Cube of speed
C.	Half of speed	D.	None of these

962.

A machine used to generte and distribute gases or smoke is known as:

A.	Sprayer	B.	Duster
C.	Fumigator	D.	None of these

963.

Flame gun is used for killing the:

A.	Insects	B.	Pests
C.	Weeds	D.	All are correct

964.

In hydraulic sprayers, the degree of atomization is primarily a function of:

A.	Air velocity	B.	Size of nozzle
C.	Size and shape of atomizer	D.	Liquid pressure and the nozzle characteristics

965.

Hollow cone nozzle employed on boom type sprayer have spray angle of:

A.	30-50 degree	B.	40-60 degree
C.	60-95 degree	D.	90-120 degree

966.

Nozzle spacing on boom is governed by:

A.	Height of crop	B.	Density of crop
C.	Type of spray	D.	All are correct

967.

Nozzle spacing in boom is governed by:

A.	Inclined	B.	Axial horizontal
C.	Axial vertical	D.	All are correct

968.

Flooding nozzles have spray angle of:

A.	30-45 degree	B.	60-90 degree
C.	90-120 degree	D.	100-150 degree

969.

In electrostatic spraying, the volume of liquid per hectare is:

A.	Less than 1 litre	B.	Less than 5 litres
C.	Less than 50 50 litres	D.	Less than 100 litres

970.

The amount of liquid required for spraying plantation crop is:

A.	400-60 1/ha	B.	600-800 1/ha
C.	800-1000 1/ha	D.	1000-1200 1/ha