International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 611
esist the stress. Use a factor of safety of 10. ^^g j Breadth, 2.828. ^Thickness, .707. (610) A steel engine shaft 12in diameter, resting in bearings54 apart, carries a fly-wheelweighing 30 tons, midway betweenthe bearings; what is the deflection of the shaft ? Considerthe shaft as a simple beam.… … Fig.11. 600 STRENGTH OF MATERIALS. (612) What stress would be required to rupture a cast-iron cylinder which is 8 in diameter and 6 thick ? Ans. 12,000 lb. (613) A beam which is 100 feet long carries four equalloads of 1,200 pounds each, at distances of 20, 40, 60, and80 feet from the left support,…
Railroad engineering
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