1. A shaft has a diameter of 20 mm, and it is subjected to tensile stress. If the load applied is 14.13 kN the tensile stress is; а. 35 МPа b. 45 MPa с. 55 МPа d. 65 Mpa
1. A shaft has a diameter of 20 mm, and it is subjected to tensile stress. If the load applied is 14.13 kN the tensile stress is; а. 35 МPа b. 45 MPa с. 55 МPа d. 65 Mpa
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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![1. A shaft has a diameter of 20 mm, and it is subjected to tensile stress.
If the load applied is 14.13 kN the tensile stress is;
a. 35 MPa
b. 45 MPa
c. 55 MPa
d. 65 Mpa
2. A steel rod having modulus of elasticity of E=200x10' MPa, thermal
expansion of a=11.7x10 /°C and temperature change of AT=100
°C. If the rod is secured between two walls, thermal stress is;
a. 134 MPa
b. 200 MPa
c. 234 MPa
d. 300 Mpa
3. A tie bar is welded to a plate and it is subjected to axial load, P. The
length of the fillet weld L= 200 mm, and the size of fillet s= 6 mm.
If the stress of the fillet weld is 100 MPa, the maximum load applied
is;
a. 150 kN
b. 158 kN
c. 160 kN
d. 168 kN](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F489f12c7-bfd2-4235-8c75-48e88c11b6df%2F1b11a0c4-43f7-49c9-9e35-cc4f0fc21614%2Fkmqxc1e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. A shaft has a diameter of 20 mm, and it is subjected to tensile stress.
If the load applied is 14.13 kN the tensile stress is;
a. 35 MPa
b. 45 MPa
c. 55 MPa
d. 65 Mpa
2. A steel rod having modulus of elasticity of E=200x10' MPa, thermal
expansion of a=11.7x10 /°C and temperature change of AT=100
°C. If the rod is secured between two walls, thermal stress is;
a. 134 MPa
b. 200 MPa
c. 234 MPa
d. 300 Mpa
3. A tie bar is welded to a plate and it is subjected to axial load, P. The
length of the fillet weld L= 200 mm, and the size of fillet s= 6 mm.
If the stress of the fillet weld is 100 MPa, the maximum load applied
is;
a. 150 kN
b. 158 kN
c. 160 kN
d. 168 kN
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