Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
Please solve this in a copy with all process. Not in excel.
If not done as instructed, I will down vote it.
![5. How many hours/year would the two motors have to be
operated at full load so that the annual cost will be
equal?
Motor A
Initial investment 1,30,000
(Rs)
Horse Power
Efficiency
Annual
(Rs)
100
74%
O&M 5/hr
Tax/year
MARR
Useful life (years)
500
15%
10
Electricity cost 6
(Rs)
6 per kWh
(40.25 hours)
Motor B
1,50,000
1.05
90%
2.5/hr
400
15%
10
6 per kWh](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7175c85d-c9bb-47b4-8b4b-3f039037b293%2F35c0bb04-e5e3-45d7-b2ef-0baeb566c2da%2Fq7v1gd9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. How many hours/year would the two motors have to be
operated at full load so that the annual cost will be
equal?
Motor A
Initial investment 1,30,000
(Rs)
Horse Power
Efficiency
Annual
(Rs)
100
74%
O&M 5/hr
Tax/year
MARR
Useful life (years)
500
15%
10
Electricity cost 6
(Rs)
6 per kWh
(40.25 hours)
Motor B
1,50,000
1.05
90%
2.5/hr
400
15%
10
6 per kWh
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