Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 9 (Q.No. 7)
7.
In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to
minimise the effect of primary forces
minimise the effect of secondary forces
have perfect balancing
to start the locomotive quickly
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Shivam dwivedi said:   7 years ago
The Formula of a secondary unbalanced force.

= mw2r(cos2θ/n).
n=length of connecting rod/ crank radius.

If n increases then minimise the effect of secondary forces.

Ramachandra h c said:   7 years ago
How it can minimize its secondary balance? explain me, please.

Winod said:   7 years ago
@Jay.

It is not *me it is *the.

JOY said:   7 years ago
What is the word "me crank" means? Please explain clearly.

Mostafa said:   10 years ago
What is the secondary force?

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