A piston made of gray cast iron has piston head thickness of 20 mm. What will be thickness of piston barrel under piston rings if it has allowable tensile stress of 30 N/mm? ( Bore diameter = 50 mm & P =15 N/mm)

A piston made of gray cast iron has piston head thickness of 20 mm. Wh

1.	A piston made of gray cast iron has piston head thickness of 20 mm. What will be thickness of piston barrel under piston rings if it has allowable tensile stress of 30 N/mm? ( Bore diameter = 50 mm & P =15 N/mm)
A.	10 mm
B.	20 mm
C.	30 mm
D.	Insufficient data
Answer» C. 30 mm

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A piston made of gray cast iron has piston head thickness of 20 mm. What will be thickness of piston barrel under piston rings if it has allowable tensile stress of 30 N/mm? ( Bore diameter = 50 mm & P =15 N/mm)

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