Ministry of Higher Education and Scientific Research Al Muthanna University College of Engineering Civil Engineering Department Subject: Methods of Cons. & Estimation Class : 4th stage Time : 1.5 hours. Date : 07/11/2024 Monthly Exam for the Academic Year 2024- 2025 (1" Course/ 1st Month) Q1: Find the number of annual operating hours that make renting a machine equal to owning it if you have the following information: • A four-stroke engine work at an altitude of 2700 m above sea level, daily operating hours (8 hr), • . 4 B Diesel engine with horsepower (250 hp) and its operating factor (80%), Engine crankcase capacity (20 liters), number of hours between oil changes (90 hr). • . Total purchase price of the machine including tires ($40,000) and shipping cost ($2,000), Its salvage value ($10,000), useful life of the machine (5 year). Cost of tires ($6,000), useful life of tires (2,000 hr), maintenance cost of tires (20%) of its depreciation. Maintenance cost of the machine (70%) of its depreciation, Tax cost (10%) of the average value of the machine. Operator fee ($48/day), price of fuel ($0.5/ liter) and oil (S2/liter), Daily rental cost of the machine ($240/day). (40 marks) Examiner M.Sc. Mohammed K. Alkhuzai
Ministry of Higher Education and Scientific Research Al Muthanna University College of Engineering Civil Engineering Department Subject: Methods of Cons. & Estimation Class : 4th stage Time : 1.5 hours. Date : 07/11/2024 Monthly Exam for the Academic Year 2024- 2025 (1" Course/ 1st Month) Q1: Find the number of annual operating hours that make renting a machine equal to owning it if you have the following information: • A four-stroke engine work at an altitude of 2700 m above sea level, daily operating hours (8 hr), • . 4 B Diesel engine with horsepower (250 hp) and its operating factor (80%), Engine crankcase capacity (20 liters), number of hours between oil changes (90 hr). • . Total purchase price of the machine including tires ($40,000) and shipping cost ($2,000), Its salvage value ($10,000), useful life of the machine (5 year). Cost of tires ($6,000), useful life of tires (2,000 hr), maintenance cost of tires (20%) of its depreciation. Maintenance cost of the machine (70%) of its depreciation, Tax cost (10%) of the average value of the machine. Operator fee ($48/day), price of fuel ($0.5/ liter) and oil (S2/liter), Daily rental cost of the machine ($240/day). (40 marks) Examiner M.Sc. Mohammed K. Alkhuzai
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter20: Engineering Economics
Section: Chapter Questions
Problem 14P
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Transcribed Image Text:Ministry of Higher Education
and Scientific Research
Al Muthanna University
College of Engineering
Civil Engineering Department
Subject: Methods of Cons. & Estimation
Class : 4th stage
Time : 1.5 hours.
Date :
07/11/2024
Monthly Exam for the Academic Year 2024- 2025 (1" Course/ 1st Month)
Q1: Find the number of annual operating hours that make renting a machine equal to owning it if you have
the following information:
•
A four-stroke engine work at an altitude of 2700 m above sea level, daily operating hours (8 hr),
•
.
4
B
Diesel engine with horsepower (250 hp) and its operating factor (80%),
Engine crankcase capacity (20 liters), number of hours between oil changes (90 hr).
•
.
Total purchase price of the machine including tires ($40,000) and shipping cost ($2,000),
Its salvage value ($10,000), useful life of the machine (5 year).
Cost of tires ($6,000), useful life of tires (2,000 hr), maintenance cost of tires (20%) of its
depreciation. Maintenance cost of the machine (70%) of its depreciation,
Tax cost (10%) of the average value of the machine.
Operator fee ($48/day), price of fuel ($0.5/ liter) and oil (S2/liter),
Daily rental cost of the machine ($240/day).
(40 marks)
Examiner
M.Sc. Mohammed K. Alkhuzai
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