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Mechanical Engineering · Q180

Theory Of Machine

Engineering and GATE · Mechanical Engineering · question 180

Q180

A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is

A.
5,367 r.p.m.
Answer
B.
6,000 r.p.m.
C.
9,360 r.p.m.
D.
12,000 r.p.m.

Answer: Option A

Solution

Answer: Option A
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