HORTICULTURE SCIENCE
FARM POWER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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500 to 540 rpm
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180 to 260 rpm
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130 to 220 rpm
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200 to 230 rpm
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Detailed explanation-1: -The rotor shaft rotates at speed of 250-300 RPM corresponding to the rated PTO speed of 540 RPM. The RPM of the rotor should not be less than 150.
Detailed explanation-2: -The speed of the rotor is kept at about 350 rpm for rated rpm of 1500 of the prime mover. The depth of penetration can be adjusted up to 12.5 cm. The suitable protective cover is provided at the rear to prevent under a scattering of soil.
Detailed explanation-3: -Rotavator is a tillage machine designed for preparing land suitable for sowing seeds. It offers a benefit of rapid seedbed preparation and reduced draft compared to conventional tillage. It saved 30 to 35 % of the time and 20 to 25 % in the cost of operation as compared to tillage by the cultivator.