Numerical - Thickness of piston barrel, given piston head thickness

Q.  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/mm2? ( Bore diameter = 50 mm & Pmax =15 N/mm2)
- Published on 18 Sep 15

a. 10 mm
b. 20 mm
c. 30 mm
d. Insufficient data

ANSWER: 20 mm

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    Discussion

  • Kushal tejura   -Posted on 11 Sep 20
    FOR EFFECTIVE HEAT FLOW THE THICKNESS OF PISTON BARREL UNDER RINGS IS KEPT EQUAL TO THE THICKNESS OF PISTON HEAD.
    SOOO THICKNESS OF PISTON IS GIVEN IN QUESTION IS 20 MM
    SO THE ANSWER IS SAME AS THICKNESS OF PISTON HEAD 20 MM
  • Pragya   -Posted on 04 Aug 20
    Send me explanation

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