Q. How is one of the bearings made to prevent the crankshaft from moving to and fro in the endwise direction?

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Q. Which of the following is provided to cushion the journal and to increase the life of the bearing?

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Q. Which is the bearing material which is being used in the modern engine?

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Q. Which of the following helps the engine bearing by supporting the operating loads with minimum friction?

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Q. Which one of the following is not an engine bearing requirement?

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Q. Which are the types of material used in Babbit type bearing material?

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Q. Which of the following material is usually used in the backing to provide support against the shaft load?

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Q. Which of the following more when compared to others in a medium-duty sealed powder bearings?

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Q. What is the value of antimony present in a Babbit metal?

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Q. What is the value of silicon and copper in an extra heavy-duty type sealed power bearing?

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Q. Which of the following when decreased reduces the bearing clearance?

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Q. Theoretically, the inlet valve should open at what position of the piston?

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Q. Theoretically, the inlet valve should close at what position of the piston?

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Q. Theoretically, the exhaust valve should open till the piston reaches which position?

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Q. Due to which factor, the valves can’t open instantaneously?

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Q. What is the event known as when the inlet valve is generally opened about 50° TDC is known as?

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Q. What is the event known as when the inlet valve is generally closed after 45° of BDC?

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Q. Practically, the inlet valve opens between what range before TDC?

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Q. Practically, Exhaust valve opens at what range before BDC?

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Q. Practically, Valve overlap at what range at TDC?

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