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?
A1440 r.p.m.
B2880 r.p.m.
C730 r.p.m.
D960 r.p.m.
Correct answer
C. 730 r.p.m.
Explanation
The correct answer is 730 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? - Answer and Explanation | Academy of Pakistan