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411.

Solid injection system has:

A.	Pressurizing unit	B.	Atomizing unit
C.	Both (a) & (b)	D.	None of these

412.

Solid injection system is also known as:

A.	Airless mechanical injection	B.	Air injection
C.	Jerk pump system	D.	All are correct

413.

Accumulator is used in:

A.	Jerk pump system	B.	Unit injector system
C.	Common rail system	D.	Distributor system

414.

The work of accumulator is:

A.	To develop high pressure	B.	To keep constant pressure
C.	To develop low pressure	D.	To metered fuel

415.

The size of hole of single hole nozzle is usually larger than:

A.	0.1 mm	B.	0.2 mm
C.	0.3 mm	D.	0.4 mm

416.

In multi hole nozzle, the number of holes varies as:

A.	2?5	B.	3?8
C.	4?10	D.	4?18

417.

Governor is a device used in:

A.	Tractor engine	B.	Stationary engine
C.	Both (a) & (b)	D.	None of these

418.

The purpose of governor is:

A.	To maintain the constant speed of engine at different loads	B.	To protect the engine and attached equipment against high speed
C.	Both (a) & (b)	D.	None of these

419.

A governor automatically regulates:

A.	Flywheel speed	B.	Engine speed
C.	Speed of Rear wheel of tractor	D.	All are correct

420.

Hit and miss system of governor is to regulate the:

A.	Engine load	B.	Frequency of explosions
C.	Power strokes	D.	Both (b) & (c)