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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Instructor Mechanical Agricultural Machinery' And exam conducted in the year 2021. And Question paper code was '063/2021'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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Finer operation performed for seedbed preparation is
A) Minimum tillage B) Reduced tillage
C) Primary tillage D) Secondary tillage
Jointer and coulter are the parts of
A) MB Plough B) Disc Plough
C) Harrow Plough D) Indigenous Plough
The stubble type of mould board is mostly suitable for
A) Sod soils B) Sticky soil
C) Grassy land D) Tough soil
A wheel used for maintaining uniform depth of ploughing in different soil is
A) Land wheel B) Cage wheel
C) Gauge wheel D) Furrow wheel
A point at which the resultant of all horizontal and vertical forces acts is
A) Centre of pull B) Centre of resistance
C) Line of pull D) Centre of gravity
The vertical clearance of MB plough ranges from
A) 310 5 mm 8) 3to5cm ©) 2to5mm D) 2to5cm
Tilt angle of standard disc plough varies from
A) 42° - 45° 8) 35° - 42° ©) 25" - 35° 0) 15" - 25°
In disc harrow, a device used to provide a distance between two disc mounted on
same gang axel is
A) Arbor bolt B) Spool
C) Scraper D) Gang
A harrow which based ona principle that side thrust against the front gang is opposed
by side thrust of rear gang
A) Spike tooth harrow B) Double action disc harrow
C) Offset disc harrow D) Tandem disc harrow
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