Question: A 7 / 1 6 - in - dia UNC, class 7 bolt with rolled threads is preloaded to 7 0 % of its proof

A 7/16-in-dia UNC, class 7 bolt with rolled threads is preloaded to 70% of its proof strength when clamping a 2.75-inin-thick sandwich of solid steel. A 1100-lb (peak) fluctuating external load is applied. Assume a machined finish, room temperature, and 99% reliability.
a) Find the safety factor against fatigue failure.
b) Find the safety factor against yielding.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mechanical Engineering Questions!

Q:

For a bolted assembly with eight bolts, the stiffness of each bolt is kb = 1.0 MN/mm and the stiffness of the members is km = 2.6 MN/mm per bolt. The bolts are preloaded to 75 percent of proof...

Q:

Use the case study as shown in the photo and your own research on Peloton to answer the following questions. (500 words each question, total of 2000 words) 1) Using the Business Model Canvas to...

Q:

What is the MOS of a 14-20 bolt holding the beam below to the wall O O O O O Assume beam is 6061-T6, as is the wall. Assume the CoF is 1.5 Assume the bolt hole is oversized by 0.030" Assume the bolts...

Q:

10.255.255.255.ii (ii) Describe the advantages of the paired de Bruijn Graph versus the non paired version of the de Bruijn Graph. [3 marks] (d) Discuss the advantages of using soft k-means versus...

Q:

Financial Statement Analysis Part 1 As described in the project overview, Appendix A of your textbook describes several ratios, as well as vertical analysis and horizontal analysis of financial...

Q:

Common Size Balance Sheet Prepare a spreadsheet with common size balance sheets for the years ended November 30, 2014 and 2015. For 2014, each line item should be shown as a percentage of total...

Q:

U WOULD TAkE BACK IF 'K>U COULDl A construction worker from the East: '''ielling this woman, nice girl, I loved her just to get what I wanted." A woman from the South who lives with her lover: "I...

Q:

FORD: AN ALJTO COMPANY IN TRANSITION In January 2019, the Ford Motor Company celebrated as the F-Series line of pickups became the top-selling trucks in the United States for the 42nd consecutive...

Q:

FORD: AN ALJTO COMPANY IN TRANSITION In January 2019, the Ford Motor Company celebrated as the F-Series line of pickups became the top-selling trucks in the United States for the 42nd consecutive...

Q:

FORD: AN ALJTO COMPANY IN TRANSITION In January 2019, the Ford Motor Company celebrated as the F-Series line of pickups became the top-selling trucks in the United States for the 42nd consecutive...

Q:

(b) Air, at an absolute pressure of 5 atm and a temperature of 15C, is drawn from a large plenum through a converging-diverging nozzle. The nozzle throat diameter is 6.35 mm and diverging section...

Q:

Is the study of investments really important to most individuals?

Q:

The present value of a business's future cash flows minus the price you would pay for the business is calledr Return on Equity Break Even Point Net Present Value Expected Profit

Q:

Knowledge Check Activity 2 Marina and Nolan formed the MN Partnership. Marina contributed $20,000 of cash in exchange for a 50% interest in the partnership capital and profits. During the first year...