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741.

A strip of unploughed land that is left at each end of the field for tractor turning is:

A.	Gathering	B.	Casting
C.	Head land	D.	None of these

742.

The top portion of a turned furrow slice is:

A.	Furrow slice	B.	Crown
C.	Ridge	D.	None of these

743.

A harrow with two gangs placed end to end is:

A.	Offset disc harrow	B.	Tandem disc: harrow
C.	Single action disc harrow	D.	Double action disc harrow

744.

S disc harrow with four gangs in which set of two gangs follow behind the set of other two gang is:

A.	Offset disc harrow	B.	Tandem disc: harrow
C.	Single action disc harrow	D.	Triangular harrow

745.

A raised left at centre of the strip of land when ploughing is started from center to side is:

A.	Furrow wall	B.	Dead furrow
C.	Back furrow	D.	Furrow slice

746.

A harrow, which is based on a principle that side thrust of rear gang:

A.	Offset disc harrow	B.	Tandem disc harrow
C.	Spike tooth harrow	D.	Spring tyne harrow

747.

A hrrow whose tynes swing back when obstacle encountered is:

A.	Spike tooth harrow	B.	Spring tyne harrow
C.	Patela harrow	D.	Triangular harrow

748.

A special type of harrow with curved knives is:

A.	Spike tooth harrow	B.	Spring type harrow
C.	Patela harrow	D.	Acme harrow

749.

The internal angle between the gangs of single action disc harrow is:

A.	Less than 90?	B.	Exactly 90?
C.	More than 90?	D.	None of above

750.

In disc harrow the angle made by the axis of the arbor bolt with the direction of travel is:

A.	Disc angle	B.	Tilt angle
C.	Gang angle	D.	None of these