Subtopic: Type, selection, maintenance and repair of tractors and power tillers
Question Statement:
The essential requirement for turning in a power tiller is accomplished by having
Options:
(A) both the wheels as towed wheels
(B) only one wheel driven by the engine, while the other wheel is always free to rotate
(C) one of the wheels disconnected from the engine at the time of turning
(D) the same mechanism as used in a rear wheel driven tractor
Official Answer Key:
C
Step-by-Step Solution & Explanation
A power tiller has no differential; both wheels are normally driven together on a common axle. To turn, the operator disengages (declutches) drive to one wheel at the moment of turning so that wheel becomes free while the other continues to be driven, producing the turning moment.
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