5 H.P., 50-Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest ?
(A) 730 r.p.m.
(B) 960 r.p.m.
(C) 1440 r.p.m.
(D) 2880 r.p.m.
5 H.P., 50-Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest ?
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