Mechanical Engineering - Theory of machines - Discussion
Discussion Forum : Theory of machines - Section 3 (Q.No. 28)
28.
A spring controlled governor is found unstable. It can be made stable by
Discussion:
10 comments Page 1 of 1.
Robin mahajan said:
1 decade ago
How come?
Rohit said:
9 years ago
Answer become A Because, sensitively is reciprocal of stability. And stiffness is reciprocal of sensitivity.
Neeraj said:
8 years ago
B is right because the spring controlled governor is found unstable. It can be made stable by.
Decreasing the spring stiffness. Because for stable required spring always compression so stiffness is less so spring is more in compression.
Decreasing the spring stiffness. Because for stable required spring always compression so stiffness is less so spring is more in compression.
Sam said:
8 years ago
I agree with you @Rohit.
Sagar vyavahare said:
8 years ago
Right Answer is A.
Kesh said:
8 years ago
I think it is A.
Ashish said:
8 years ago
A is the right answer.
Vinay BEL said:
5 years ago
Increasing the spring stiffness is the right answer.
Basavarajappa said:
5 years ago
Yes, A is the right answer.
Ketan said:
4 years ago
Spring controlled governor can be made stable by decreasing the spring stiffness. .
For a stable governor, if the equilibrium speed increases, the radius of governor balls must also increase.
A governor is said to be unstable if the radius of rotation decreases as the speed increases.
For a stable governor, if the equilibrium speed increases, the radius of governor balls must also increase.
A governor is said to be unstable if the radius of rotation decreases as the speed increases.
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