Q. In which lubrication system oil is fed under high pressure?

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Q. Which material is used in piston pin bearing?

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Q. Using which process piston pin bearing is manufactured?

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Q. What is the l/d ratio for the crank pin?

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Q. In the formula Pc=dₚlₚ(pb)ₚ what is dₚ?

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Q. Calculate the diameter of the piston pin when Pc=42951.46, lₚ =1.8dp, and (pb)ₚ =14?

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Q. In the formula Pc=dclc(pb)c, what is the unit of lc?

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Q. Calculate the diameter of crankpin when Pc=42951.46, lc= 1.1dₚ and (pb)c=8.5?

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Q. In low-speed engines, L/r ratio varies from?

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Q. Most connecting rods in high-speed engines have which cross-section?

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Q. Low-speed engines have which cross-section?

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Q. Which force is experienced by the connecting rod cap?

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Q. At which position of the piston, connecting rod cap experience inertia force?

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Q. Inertia force acting on the connecting rod cap is given by?

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Q. Calculate the mass of reciprocating parts when the mass of piston assembly is 0.6 Kg and mass of the connecting rod is 0.4 Kg?

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Q. Find the crank radius when the length of the stroke is 80 mm?

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Q. Find the angular velocity of the crank rotating at 1200 RPM?

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Q. In the formula (Pᵢ)max=mᵣω²r(1+\(\frac{1}{n_1})\) what is mᵣ?

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Q. Calculate the inertia force where the diameter of bolts is 10 mm and σₜ =35 N/mm²?

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Q. Calculate the bending moment on the cap when (Pᵢ)max= 400 N and span length is 80 mm.

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