Q17. If two nodes are observed at a frequency of 1800 rpm during whirling of a simply
supported long slender rotating shaft, the first critical speed of the shaft in rpm is
(A) 200
(B) 450
(C) 600
(D) 900
Answer: (A )
Explanation:
Q17. If two nodes are observed at a frequency of 1800 rpm during whirling of a simply
supported long slender rotating shaft, the first critical speed of the shaft in rpm is
(A) 200
(B) 450
(C) 600
(D) 900
Answer: (A )
Explanation:
