Q. Which part of the piston experience High thermal stress?

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Q. Piston should result in noiseless operation.

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Q. Which of the following material is not used in the manufacturing of pistons?

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Q. Which property of the aluminum alloy is preferred in pistons?

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Q. Which is the preferred process used in the manufacturing of pistons?

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Q. Earlier, which material was used in pistons?

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Q. Why aluminum alloy pistons are used in highly rated engine?

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Q. Cast iron pistons were used in low-speed cars, why?

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Q. Why aluminum alloy pistons need more clearance?

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Q. Why cast iron was used in pistons earlier?

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Q. Which are the two types of piston head?

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Q. Piston thickness depends on what criteria?

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Q. Which are the two criteria for calculating the thickness of the piston head?

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Q. Which of the mentioned below is the Grashoff’s formula?

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Q. Which of the mentioned below is the Held and favary for the thickness of the piston head?

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Q. Which of the mentioned below is used to calculate the thickness of the piston head based on heat dissipation?

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Q. Bore diameter is 150 mm, calculate the thickness based on Held and favary formula?

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Q. Calculate the amount of heat conducted through piston head, when C=0.05, HCV=47×10³ KJ/Kg, m=0.25 Kg/Kw/s, BP=8W?

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Q. Calculate the thickness of the piston head based on head dissipation, given H= 5398.82, k= 46.8, (Tc-Te)= 200?

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Q. Calculate the thickness of the piston head by strength criteria, given D= 250 mm, Pmax= 3MPa, σb= 43 N/mm².

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