Rotor shaft of a large electric motor supported between short bearings at both ends shows a deflection of 1.8 mm in middle of motor. Assuming rotor to be perfectly balanced and supported at knife edges at both ends, likely critical speed (rpm) of shaft isA 350 B 4430 C 705 D 2810

Rotor shaft of a large electric motor supported between short bearings at both
ends shows a deflection of 1.8 mm in middle of motor. Assuming rotor to be
perfectly balanced and supported at knife edges at both ends, likely critical speed
(rpm) of shaft isA 350
B 4430
C 705
D 2810
by

1 Answer

Answer :

C 705
by

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