Waec Model Questions Vol1 2021 Physics Question 33
Practice objective / multiple choice question 33 from the 2021 Waec Model Questions Vol1 Physics examination.
A motor supplies a torque of 12 N·m at a speed of 1500 rpm to gear A (20 teeth). Gear A meshes with gear B (40 teeth) on the same shaft as gear C (15 teeth). Gear C drives gear D (45 teeth) which is fixed to a conveyor belt. The efficiency of the A-B mesh is 90 % and that of the C-D mesh is 85 %. Determine (a) the speed of the conveyor belt in revolutions per minute, and (b) the useful mechanical power transmitted to the conveyor (in kilowatts).
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About This Question
This is Waec Model Questions Vol1 2021 Physics Question 33. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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