Kingdom of Saudi Arabia Ministry of Higher Education Majmaah University College of Engineering Department: Mechanical and Industrial Engineering Exam Information: QUIZ-I I QUIZ GE 407 Course Title: Engineering Economy Dr. Chandra 278 Exam date: 13 Sept. 2015 From: 11 :30 To: 12:00 PM Course code: Instructor: Section numbers: Exam time: Exam hall: Number of pages: Total score: Topic from syllabus: 10 Points ABET outcome: a Engineering economic decision, cash flow diagram, Economic equivalence Student’s Information Name: ID: Exam Instructions: Read the questions carefully and several times. Writing clearly will make it possible to assess your answers correctly. Any form of cheating, intention to cheating, or disruption of the exam will subject you to a disciplinary action as specified by the university’s regulations. Carrying or using the mobile phone during the exam is not allowed. Using the phone during the exam will carry a disciplinary action. The calculator is only permitted by the exam supervisor. No student can leave the exam room during the first half hour of the exam. Any student coming after the first half hour of the exam will not be permitted to enter the exam. A student leaving the exam, even for legitimate reasons, may not be given a makeup exam. Points Earned: Question 1 Score Question 2 Score Total score in the exam: Dear student, we encourage you to answer the exam the best you can and we wish you all success. Q.1 An industrial organization is planning to generate revenue through selling designs. It is expected that a total of 200,000 SR will be deposited till the end of next year. The collection will increase by 100,000 SR each year for the next 9 years. Required: i) Draw cash flow diagram and Calculate i. What is the equivalent present worth of money collected ii. What will be the equivalence of money at the end of 10 years from now. Given i@ 10% compounded annually. Q2. A project is planned to make initial investment of 30,000 SR. The maintenance cost at year 3 begins with 5,000 SR, then 5,500 SR for year 4, followed by 6,050 SR, 6,655 SR for the years 5 and 6 respectively. The revenue from the sales of products is expected 50,000, in year 3, 60,000 in year 4 , 70,000 in year 5 and continues with same arithmetic gradient till the end of year 10. The salvage value is 10000SR. Required: Draw cash flow diagram What is the present value of the project? Q3. The cash flow diagram given below fig Q3.1 is equivalent to cash flow diagram shown in fig. Q3.2. 70 SR 50 SR 0 1 2 3 4 5 6 7 8 9 Fig Q3.1 x 0 1 2 3 4 5 6 Fig. Q3.2. Required : Find present value for the cash flow diagrams (Fig Q3.1) What is the value of X? 7 10 11