Q. Why piston ribs are provided in the piston?

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Q. Ribs transmit heat from ______ to piston rings.

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Q. The side thrust is created by which component of the engine?

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Q. The side thrust is transmitted to the cylinder wall through which portion of the piston?

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Q. Find the range of thickness of the ribs when the thickness of the piston head is 8 mm?

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Q. Find the radius of the cup, when the bore diameter is 150 mm?

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Q. The additional space provided on the piston head is also known as______

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Q. When the thickness of the piston head is 5 mm, the thickness of the ribs is 1.6 to 2.5 mm.

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Q. Which are the two types of piston rings in the piston?

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Q. What is the function of the compression ring?

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Q. What is the function of the oil ring?

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Q. Piston rings are usually made of which material?

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Q. Usually how many piston rings are present in a petrol engine?

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Q. The compression rings have which cross-section?

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Q. In the formula b= D\(\sqrt{\frac{3P_w}{\sigma_t}}\), what is the unit of Pw?

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Q. Find the range of axial thickness of the piston ring, when b= 7.5 mm?

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Q. Find the limit on the minimum axial thickness when D=150 mm and Z=7?

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Q. Find the Radial width of the piston ring, when D= 250 mm, σt= 100MPa, and pw= 0.03 N/mm²?

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Q. Where can we see the piston barrel in the piston?

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Q. Which of the mentioned below is the formula for calculating the thickness of the piston barrel at the top end?

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