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781.

The shape of furrow cut by MB plough is:

A.	V-shape	B.	L-shape
C.	W-shape	D.	M-shape

782.

The indigenous plough is used for:

A.	Ploughing	B.	Paddling
C.	Harvesting tuber crop	D.	All are correct

783.

The draft per unit cross-section area of furrow is called:

A.	Draft	B.	Unit draft
C.	Side draft	D.	None of these

784.

The horizontal component of pull parallel to the direction of travel is:

A.	Draft	B.	Unit draft
C.	Side draft	D.	None of these

785.

The horizontal component of pull perpendicular to the direction of travel is:

A.	Draft	B.	Unit draft
C.	Side draft	D.	None of these

786.

An instrument used to measure soil compaction is:

A.	Hydrometer	B.	Cone penetrometer
C.	Tachometer	D.	Hygrometer

787.

A tractor mounted on rotary tillers are used for:

A.	Seed bed preparation	B.	Puddling
C.	Both (a) & (b)	D.	None of these

788.

The L-shaped blade of rotary tillers are used for seed bed preparation in:

A.	Hard and sticky soil	B.	Stony and trashy soil
C.	Trashy and sandy soil	D.	None of these

789.

The C-shape blade of rotary rillers are used for seedbed preparation in:

A.	Sticky soil	B.	Stony soil
C.	Trashy soil	D.	Sandy soil

790.

The true point of hitch of the implement is called:

A.	Line of pull	B.	Centre of pull
C.	Centre of resistance	D.	All are correct