In _________ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft?
Correct answer: C. large
- A. small
- B. medium
- C. large
- D. any of the above.
Explanation
In large machines, the shaft is relatively long and flexible, so its deflection and critical speed become important design considerations. Small and medium machines are less commonly governed by this limitation.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Electrical Machines
1,061 free Electrical Machines MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Electrical Machines questions
Electrical machines having power outputs ranging from a few kW up to approximately 250 kW may be classified as_____________?
The efficiency of a machine should be as ____________ as possible to reduce the operating cost?
In induction motors, the length of air gap in kept as small as mechanically possible is order to have____________?
___________ has the best damping properties?
Copper, even though costly, finds use in the windings of electrical machines because_____________?
Carbon bearings are used under which of the following conditions ?