ExamVeda
Login
Home

If the rotating mass of a rim type flywheel is distributed...

This question belongs to Mechanical Engineering Theory Of Machine
Theory of Machine
?

If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Answer & Solution
Correct Answer: Option C
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

1 Comment
Vimala K
Vimala K 7 years ago
handu said: (Nov 12, 2013)
First flywheel mean radius = x.
Second flywheel mean radius = x/2 (condition given).
Energy storage (ES) = (1/2)I*omega^2.
ω1 = ω2 (condition given).

Energy storage first flywheel mean (ES) = I = mr^2 = mx^2.
Energy storage second flywheel mean (ES) = I = mr^2 = mx^2/4.
So 1/4th of the first one.
Keep Learning

Related Questions on Theory of Machine

In considering friction of a V-thread, the virtual coefficient of friction (μ1) is given by
A. μ1 = μsinβ B. μ1 = μcosβ C. $${\mu _1} = \frac{\mu }{{\sin \beta }}$$ D. $${\mu _1} = \frac{\mu }{{\cos \beta }}$$
The lower pairs are _________ pairs.
A. Self-closed B. Force-closed C. Friction closed D. None of these
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.
A. Sliding B. Turning C. Rolling D. Screw
A kinematic chain is known as a mechanism when
A. None of the links is fixed B. One of the links is fixed C. Two of the links are fixed D. None of these
More Related Questions on Theory of Machine