What will cause if you run your engine in critical RPM
continuously?
Answers were Sorted based on User's Feedback
Answer / mazher
This situation is higly avoided because if anyone runs
engine on critical speed machine will start vibrating
hevily & it could creat great damage to engine.This
vibration is bacially due to Natural frequency & shaft
material frequency is matching & which creats high
vibration in machines. Nobody should operate machine in
this situation.In high speed machines like compressors &
turbines, We should pass the critical speeds as sharply as
we can to avoid the damage to machine.
| Is This Answer Correct ? | 23 Yes | 3 No |
Strictly no machines are allowed to run continuously in its
critical speed. If it happens according to your question
the vibration of the machine will be more and as a result
there is chance of seveior damages to the machine, and if
any loose fitted particles may also come out of its
position which results in a serious damage to the machine.
and apart from these the bearings will get damaged.
| Is This Answer Correct ? | 12 Yes | 2 No |
What is the use of a PULLEY?
12 Answers Essar, L&T, Valeo Lighting Systems India Private Limited, Wipro,
Greetings This question is about hydraulics and I request an expert to answer it. A simple hydraulic machine is made up of two heads, a larger one with a larger force inside a wider pipe and a smaller one with a smaller force inside a smaller pipe in width as in the second picture on this link: http://science.howstuffworks.com/hydraulic1.htm The question is this: what happens if the smaller head and the smaller force doesn’t exist but the smaller pipe is high enough to take all the liquid? For example the larger head is 1.00 sqr metre and can go down 1.00m under a weight of 100.00kg. The cross sectional area of the smaller pipe is 0.001 sqr metre. Now when the larger head goes down 1.00m, how high the liquid from the wider pipe can go into the smaller pipe of the cross sectional area of 0.001 sqr metre? Regards
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