A. 730 r.p.m.
B. 960 r.p.m.
C. 1440 r.p.m.
D. 2880 r.p.m
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A. 730 r.p.m.
B. 960 r.p.m.
C. 1440 r.p.m.
D. 2880 r.p.m
This Answer Is .A
Based on the factual data, it appears that 5 H.P., 50-Hz, 3-phase, 440 V, induction motors are available for various r.p.m. The motor with the highest cost will be the 730 r.p.m. motor.
This is due to the fact that this motor has the highest horsepower and runs at a higher speed than the other motors. As such, it requires more energy and will cost more than the other motors.