Q. What is the basic function of the rocker arm, concerning the motion of the cam and follower?

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Q. To reduce the weight and inertia force of the rocker arm, which cross-section is used?

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Q. Which of the mentioned below is not the material of rocker arm?

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Q. In a four-stroke engine, which valve is heavily loaded?

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Q. The force on which valve is less compared to others?

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Q. The maximum force exerted by the valve will determine which force on the rocker arm?

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Q. In the cross-section of the rocker arm, the bending moment is maximum at what point?

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Q. Which of the mentioned below is the formula to calculate the thickness of each eye?

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Q. Which of the mentioned below is the formula to calculate the outer diameter of the eye?

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Q. Which of the mentioned below is the formula to calculate the triangular distribution of the load between the pin and the eye?

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Q. Which of the mentioned below is the formula to calculate uniformly distributed load between the pin and the roller?

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Q. Calculate the diameter of the circular end of the rocker, when d=15 mm?

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Q. The purpose of the valve spring is to exert force on which part?

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Q. When valves are closed which pressure is built inside the cylinder?

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Q. Calculate the mean coil diameter when C=8 and d=6?

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Q. Calculate the total number of turns for a square and ground end when N=13?

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Q. Calculate the free length of the spring when the solid length is 90 mm and δmax=35.75 mm?

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Q. Calculate the solid length of the spring, when Nₜ =15 mm and d= 6 mm.

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Q. Calculate the pitch of the coil when the free length is 131.11 mm and N1 is 15 mm?

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Q. Calculate the maximum force on the spring Pmax when Pᵢ =88.36 N, K=10 and d=25 mm.

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