7. A 150-mm-wide rectangular wooden beam is simply supported on a span of 4 m. The beam will support a total load of 13 kN/m including its own weight. If the allowable bending stress of wood is 12.5 MPa, select the minimum required depth (mm) of the beam based on flexure. À. 250 В. 310 С. 30 D. 280 8. A 150-mm-wide rectangular wooden beam is simply supported on a span of 4 m. The beam will support a total load of 13 kN/m including its own weight. If the allowable shearing stress of wood is 1.21 MPa, select the minimum required depth (mm) of the beam based on shear. À. 220 В. 210 C. 230 D. 200 9. A 16-mm-diameter, 15-m long cable is subjected to a load of 25 kN. Compute the strain of the cable if E = 250 GPa. A. 0.00497 B. 0.000497 C. 4.97 D. 0.0497 10. A closed cylindrical tank 900 mm in diameter has a wall thickness of 0.8 mm. The allowable tangential stress is 110 MPa and the allowable longitudinal stress is 50 MPa. Determine the maximum safe pressure (kPa) in the tank. А. 195.5 В. 177.7 C. 391.1 D. 88.8

7. A 150-mm-wide rectangular wooden beam is simply supported on a span of 4 m. The beam will support a total load of 13 kN/m including its own weight. If the allowable bending stress of wood is 12.5 MPa, select the minimum required depth (mm) of the beam based on flexure. À. 250 В. 310 С. 30 D. 280 8. A 150-mm-wide rectangular wooden beam is simply supported on a span of 4 m. The beam will support a total load of 13 kN/m including its own weight. If the allowable shearing stress of wood is 1.21 MPa, select the minimum required depth (mm) of the beam based on shear. À. 220 В. 210 C. 230 D. 200 9. A 16-mm-diameter, 15-m long cable is subjected to a load of 25 kN. Compute the strain of the cable if E = 250 GPa. A. 0.00497 B. 0.000497 C. 4.97 D. 0.0497 10. A closed cylindrical tank 900 mm in diameter has a wall thickness of 0.8 mm. The allowable tangential stress is 110 MPa and the allowable longitudinal stress is 50 MPa. Determine the maximum safe pressure (kPa) in the tank. А. 195.5 В. 177.7 C. 391.1 D. 88.8

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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