0 votes
65 views
asked in TOM by (215k points)
edited by
  1. 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

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

15.3k users

...