Chapter 8, Problem 8.15DOEP

XYZ Company Ltd has consulted your firm Zig-Zag Energy over an intention to generate electricity in Ghana. Being the senior project engineer for Zig-Zag Energy, management has asked you to prepare a detailed technical report in respect to the project. a) Discuss the major factors to take into consideration when consulting on such projects.                                                                                                           A tank containing air is stirred by a paddle wheel. The work input to the paddle wheels is 2000KJ and the heat transferred to the surrounding from the tank is 6000KJ. b) Determine the change in the internal energy of the system                                              There has been a sharp differences between the board of Blue-Blue Energy over which of the energy sources (hydroelectric power plant-HEP and Coal fired plant) is best for power generation. As an energy expert, you were confronted by the debating faction for your opinion. You…

Solve. with me 30 minutes

Blocking in experimental design is useful because it: A) keeps the experimenter from knowing which subjects are in the treatment group. B) prevents response bias from entering into the experiment. C) gives the quarterback enough time to throw the ball. D) controls for multiple variables in an experiment.

The activities involved in a small project are given below along with relevant information. Construct the network and find the critical path and project completion time. ACTIVITY 1-2 1-3 2-4 3-4 3-5 4-9 5-6 5-7 6-8 7-8 8-10 9-10 8-11 10-11 DURATION(Days) 2 2 4 6 8 3 6 6 4 5 4 8 6 10

1b. List the actions do you plan to take against the employee. For each action,explain the pros and cons.

How is thermal energy lost when a person exits a building through an exterior door in the winter? a) Description of your level of confidence in the variable values. b) The overall level of confidence in the solution and why. Just need answers for these two questions ?

The worker shown below is using a 10-lb pneumatic nut runner to tighten nuts within a tractor cab compartment. What are health and safety problems likely to result from her job? Evaluate the job and the workstation identifying poor work design features. Please come up with at least five poor design features. (Please refer to the format of the answers in the class example solution) No. 1 2 3 4 園 5 Problem Ergonomics Improvement Design Principle

You've used pens and mechanical pencils for years. Check out five pens and mechanical pencils. Discuss design criteria. Discuss design pros and cons. Show pictures of each design. Write a 1–2 page report on your results.

Mechanical Advantage Review Directions: Use the appropriate equation to answer the following questions. All answers should be recorded below or in your engineering design journal. Remember to show all work. 1. A lever has an effort arm that is 8 meters long and the resistance (load) arm that is 5 meters long, how much effort is needed to lift a 200 Newton weight?