10.4 (B) A steel thick cylinder of external diameter 150 mm has two strain gauges fixed externally, one along the longitudinal axis and the other at right angles to read the hoop strain. The cylinder is subjected to an internal pressure of 75 MN/m² and this causes the following strains: (a) hoop gauge 455 x 10 tensile (b) longitudinal gauge 124 x 10 tensile Find the internal diameter of the cylinder assuming that Young's modulus for steel is 208 GN/m² and Poisson's ratio is 0.283. [BP] [96.7 mm]

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10.4 (B). A steel thick cylinder of external diameter 150 mm has two strain gauges fixed externally, one along the
longitudinal axis and the other at right angles to read the hoop strain. The cylinder is subjected to an internal
pressure of 75 MN/m² and this causes the following strains:
(a) hoop gauge: 455 x 10
tensile
(b) longitudinal gauge: 124 x 10 tensile
Find the internal diameter of the cylinder assuming that Young's modulus for steel is 208 GN/m² and Poisson's
[B.P.] [96.7 mm]
ratio is 0.283.
100
Transcribed Image Text:10.4 (B). A steel thick cylinder of external diameter 150 mm has two strain gauges fixed externally, one along the longitudinal axis and the other at right angles to read the hoop strain. The cylinder is subjected to an internal pressure of 75 MN/m² and this causes the following strains: (a) hoop gauge: 455 x 10 tensile (b) longitudinal gauge: 124 x 10 tensile Find the internal diameter of the cylinder assuming that Young's modulus for steel is 208 GN/m² and Poisson's [B.P.] [96.7 mm] ratio is 0.283. 100
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