Copyright

Materials & Properties in Engineering Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What is the sign and amount of the internal force inside a pole, which is under an external compressive 15lb. force?

Question 2 2. When an extra atom is inserted into a plane in the crystal structure of a material, this causes a(n) _____.

Question 3 3. Concrete is partly made from a paste. This paste is composed of:

Question 4 4. If Poisson's ratio for granite is 0.18, and a cube of granite is compressed in the z-direction by 1%, how much should we expect it to expand in the direction x/y directions?

Question 5 5. Which one of these is an example of Fick's First Law in action?

Page 2

Question 6 6. A structural member is under a shear stress of 15 ksi. The stress caused its thickness to decrease from 5.000 in to 4.998 in. What is the Modulus of Rigidity of the member?

Question 7 7. If the density doubles, what happens to specific volume?

Question 8 8. What is air infiltration?

Question 9 9. Which of the following is FALSE about dislocation and precipitates?

Question 10 10. How many geometric parameters are required to define a finite helical structure?

Page 3

Question 11 11. The volume of aggregates in a concrete mixture can be _____ percent.

Question 12 12. The diffusion coefficients of solids tend to be _____ the diffusion coefficients of liquids and gases.

Question 13 13. You have a racing engine that cannot break down, but will be used for hours and will probably overheat. Do you choose a low viscosity index oil, and why?

Question 14 14. What is the internal friction force?

Question 15 15. The area of the hysteresis loop in magnetic systems allows calculation of:

Page 4

Question 16 16. Which set contains only anisotropic materials?

Question 17 17. The equation for gross weight is

Question 18 18. Stress is the force per unit area, where the area is the cross-sectional area. What are the possible reasons why failure or breakage of the material become probable after continued force in the elongation phase?

Question 19 19. What is a base metal?

Question 20 20. Which of the following is NOT a type of coarse aggregate?

Page 5

Question 21 21. A soil sample has a mass of solids equal to 5,950 lb and a water content of 12%. What is the bulk density of the soil given that the volume of the sample is 70.0 ft3?

Question 22 22. How much copper would need to be added to pure gold to create a 14 karat (58%) alloy for a ring that is supposed to weigh 300 grams?

Question 23 23. An example of net weight is which of the following?

Question 24 24. A W-shaped steel beam (E= 210 GPa) is subjected to a 100 MPa tensile stress. How much is the change of length of the beam with respect to its original length?

Question 25 25. Which fluid property is responsible for how easily a fluid ''flows''?

Page 6

Question 26 26. What effect(s) does wind loads have on a tall flag pole?

Question 27 27. _____ is the temporary heating of martensite to allow diffusion and the formation of additional phases.

Question 28 28. What are the internal force components of a structure member in a 3D case?

Question 29 29. A particular piece of steel has a higher than average number of edge dislocations. If the exact same force is applied to this piece of steel and a similar one with fewer edge dislocations, what do you predict will happen?

Question 30 30. Which of these statements is CORRECT?

Materials & Properties in Engineering Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Introduction to Engineering  /  General Courses
Support