Kerala PSC Previous Years Question Paper & Answer
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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 (SR for ST only)' And exam conducted in the year 2023. And Question paper code was '154/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
A:-On-off switch
B:-Push button
C:-Direct on-line
D:-Star-Delta
Correct Answer:- Option-D
Question85:-Threshing can be accomplished by
A:-Rubbing action
B:-Impact action
C:-Stripping action
D:-All of the above
Correct Answer:- Option-D
Question86:-The type forage harvesters use free swinging chains,
hammers or knives to cut the crop
A:-Flail
B:-Cutter bar
C:-Cylinder
D:-All of the above
Correct Answer:- Option-A
Question87:-Find the capacity of a field chopper with throat size 20 cm x 5 cm
operating at 50 rpm. The cutter head has two knives with length of cut 3 cm. The
bulk density of the material is 500 kg/m3 and the field efficiency of the chopper is
80%
A:-525 kg/h
B:-500 kg/h
C:-600 kg/h
D:-720 kg/h
Correct Answer:- Option-D
Question88:-The free threshed grain carried over the rack in the straw and
discharged from the combine harvester is called
A:-Grain loss
B:-Rack loss
C:-Cylinder loss
D:-Shoe loss
Correct Answer:- Option-B
Question89:-The lead adjustment provided to the outer end of the cutter bar, when
the mower is not in operation is
A:-1 cm per meter of cutter bar
B:-2 cm per meter of cutter bar