1. A steel cylinder of 1 metre diameter is carrying a fluid under a pressure of 10 N/mm?. Calculate thenecessary wall thickness, if the tensile stress is not to exceed 100 MPa.2. A steam boiler, 1.2 metre in diameter, generates steam at a gauge pressure of 0.7 N/mm2. Assuming[Ans. 50 mm)the efficiency of the riveted joints as 75% , find the thickness of the shell. Given that ultimate tensilestress = 385 MPa and factor of safety = 5.3. Find the thickness of a cast iron cylinder 250 mm in diameter to carry a pressure of 0.7 N/mm2. Take[Ans. 7.3 mm]maximum tensile stress for cast iron as 14 MPa.[Ans. 6.25 mm]

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A steel cylinder of 1 metre diameter is carrying a fluid under a pressure of 10 N/mm2. Calculate the necessary wall thickness, if the tensile stress is not to exceed 100 MPa. [Ans. 50 mm)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.

Question

1. A steel cylinder of 1 metre diameter is carrying a fluid under a pressure of 10 N/mm?. Calculate the
necessary wall thickness, if the tensile stress is not to exceed 100 MPa.
2. A steam boiler, 1.2 metre in diameter, generates steam at a gauge pressure of 0.7 N/mm2. Assuming
[Ans. 50 mm)
the efficiency of the riveted joints as 75% , find the thickness of the shell. Given that ultimate tensile
stress = 385 MPa and factor of safety = 5.
3. Find the thickness of a cast iron cylinder 250 mm in diameter to carry a pressure of 0.7 N/mm2. Take
[Ans. 7.3 mm]
maximum tensile stress for cast iron as 14 MPa.
[Ans. 6.25 mm]

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