Calculate the mean diameter of the piston boss for grey cast iron piston, when do=50mm?(a) 30mm(b) 50mm(c) 60mm(d) 70mmI had been asked this question in an international level competition.I'd like to ask this question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Calculate the mean diameter of the piston boss for grey cast iron pist

1.	Calculate the mean diameter of the piston boss for grey cast iron piston, when do=50mm?(a) 30mm(b) 50mm(c) 60mm(d) 70mmI had been asked this question in an international level competition.I'd like to ask this question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT ANSWER is (d) 70mm Explanation: Mean diameter of PISTON BOSSES di=1.4×d0 = 1.4×50 = 70mm

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