Q. What happens to the spring when the valve is opened?

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Q. Which are the two types of valves?

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Q. What are the mushroom valves also known as?

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Q. What does the poppet valve consisting of a disk known as?

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Q. What is the poppet valve head at the end of a rod is known as?

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Q. Which part of the valve is a conical surface that comes in contact with a valve seat?

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Q. What is the face angle range for a poppet valve?

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Q. What is the small conical surface of the valve results in which property?

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Q. What is the small space between the head and the face is known as?

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Q. In heavy-duty engines, which material is used in the valves?

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Q. Which material is used in the Inlet valves?

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Q. Which material is used Exhaust valves?

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Q. By which process valves are strengthened?

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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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