Which of the mentioned below is the formula for calculating the thickness of the piston barrel at the top end?(a) t4=(0.03D+b+4.9)(b) t4=0.03D+b+6.9)(c) t3=(0.03D+b+4.9)(d) t3=0.03D+t4+4.9)The question was posed to me by my college director while I was bunking the class.Origin of the question is IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Which of the mentioned below is the formula for calculating the thickn

1.	Which of the mentioned below is the formula for calculating the thickness of the piston barrel at the top end?(a) t4=(0.03D+b+4.9)(b) t4=0.03D+b+6.9)(c) t3=(0.03D+b+4.9)(d) t3=0.03D+t4+4.9)The question was posed to me by my college director while I was bunking the class.Origin of the question is IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct OPTION is (c) t3=(0.03D+B+4.9) To elaborate: The thickness of the PISTON barrel at the top end is given by t3=(0.03D+b+4.9) where D is the piston DIAMETER and b is the radial width of the ring.

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