Q. What is present around the valve in the engine for the cooling?

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Q. Why there is a small clearance around the stem of the valve?

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Q. What is that part of a cam lobe which controls the valve opening called as?

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Q. In which type of engine Valve train is not present?

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Q. How many cam lobes are present on the camshaft per cylinder?

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Q. Why is the clearance given between bearing journals and the bores?

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Q. What is the range of clearance given between bearing journals and the bores?

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Q. The end wise movement of the camshaft is limited by which component?

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Q. What is the speed of the camshaft rotation?

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Q. In overhead cams, which type of drive is used to drive camshaft?

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Q. Which component, transmit the torque load from the drive to the drive pulley?

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Q. What are bonded to the inside layer of the load-carrying cords?

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Q. Which of the mentioned is the advantage of the toothed belt drive?

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Q. Which material is not used for timing gear?

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Q. Increased volumetric efficiency and reduced pumping losses can be done by varying cam timing using which component?

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Q. Which technology changes the timing of intake/exhaust valves when the engine is running?

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Q. Which system can change independently the valve-event timing and valve lift?

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Q. Which system can change both the phase and duration of the valve event?

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Q. Which system reduces the pumping losses due to conventional throttle?

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Q. What does VTEC stands for?

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