SSC JE Mechanical Engineering 2017 Set 3 Paper

Question : 165 of 200

Marks: +1, -0

In order to facilitate the starting of locomotive in any position, the cranks of a locomotive with two cylinders are placed at following angle to each other _____.

45°
90°
135°
180°

Validate

Solution:

To balance the force

\F_{\unbalance} ∝ \sin2θ

∴\sin2θ=\sin180°=0

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