Q. Which of the parts mentioned below is not a part of the valve-gear mechanism?

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Q. The camshaft is rotated by which driving mechanism in cars?

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Q. As the camshaft rotates, the cam pushes the follower, and push rod is moved in which direction?

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Q. The rocker arm is pivoted at its center using which pin?

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Q. When the right end of the rocker arm is pushed up, the left end moves in which direction?

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Q. The opening of valves is due to which motion of the rocker arm?

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Q. One end of the spring is secured to the valve stem and the other end rests on which part?

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Q. Follower rests on which part of the valve-gear mechanism?

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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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