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A Answer the following questions. 1. What will be the minimum diameter of a steel wire, which is used to raise a load of 3kN if the stress in the rod is not to exceed 75MN/m?

A Answer the following questions. 1. What will be the minimum diameter of a steel wire, which is used to raise a load of 3kN if the stress in the rod is not to exceed 75MN/m?

Elements Of Electromagnetics
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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10 kN 8 kNm B- 5 m wer two sections of the following. A Answer the following questions. 1. What will be the minimum diameter of a steel wire, which is used to raise a load of 3kN if the stress in the rod is not to exceed 75MN/m?? 2. The stress in a rod is 90 N/mm and the modulus of elasticity is 3×10°N/mm. What will be the strain in the rod? 3. A steel rod is heated from 25 to 250 degree Celsius. Its coefficient of thermal expansion is 10 and E = 100 GN/m. if the rod is free to expand, the thermal stress developed in it is: 4. Calculate the axial stress induced in the pipe is the water mean of 2 meters diameter and 35 mm thick is subjected to an internal pressure of 2 N/mm. 5. A water main of 3 m diameter and 25 mm thick is subjected to a pressure of 2N/mm. Calculate the circumferential stress induced in the pipe.
Transcribed Image Text:10 kN 8 kNm B- 5 m wer two sections of the following. A Answer the following questions. 1. What will be the minimum diameter of a steel wire, which is used to raise a load of 3kN if the stress in the rod is not to exceed 75MN/m?? 2. The stress in a rod is 90 N/mm and the modulus of elasticity is 3×10°N/mm. What will be the strain in the rod? 3. A steel rod is heated from 25 to 250 degree Celsius. Its coefficient of thermal expansion is 10 and E = 100 GN/m. if the rod is free to expand, the thermal stress developed in it is: 4. Calculate the axial stress induced in the pipe is the water mean of 2 meters diameter and 35 mm thick is subjected to an internal pressure of 2 N/mm. 5. A water main of 3 m diameter and 25 mm thick is subjected to a pressure of 2N/mm. Calculate the circumferential stress induced in the pipe.
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