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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. [Correct Answer] |
B. | 960 r.p.m. [Wrong Answer] |
C. | 1440 r.p.m. [Wrong Answer] |
D. | 2880 r.p.m. [Wrong Answer] |