(b) Supposc that there are twa alternative electric motor that provide 100 HP output: 10 Beta Motor Alpha Motor Rs. 1250000 Item Rs. 1600000 Purchase Cost 74% 92% Efficiency O & M Coșt Rs. 50000 per year Rs: 25000 per year Life 10 years 10 years Annual tax and insurance 1.5% of the investment 1.5% of the investment 15% 15% MARR (i) How many hours per year would the motors have to be operated at ful load for the annual cost to be equal? Electricity cost= Rs. 5/kw. (ii) If annual operation hour is 600 hrs., which motor should be selected?
(b) Supposc that there are twa alternative electric motor that provide 100 HP output: 10 Beta Motor Alpha Motor Rs. 1250000 Item Rs. 1600000 Purchase Cost 74% 92% Efficiency O & M Coșt Rs. 50000 per year Rs: 25000 per year Life 10 years 10 years Annual tax and insurance 1.5% of the investment 1.5% of the investment 15% 15% MARR (i) How many hours per year would the motors have to be operated at ful load for the annual cost to be equal? Electricity cost= Rs. 5/kw. (ii) If annual operation hour is 600 hrs., which motor should be selected?
Introductory Circuit Analysis (13th Edition)
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Question
100%
![b) Supposc that there are two alternative electric motor that provide
10
100 HP output:
Alpha Motor
Beta Motor
Item
Rs. 125000
Rs. 1600000
Purchase Cosl
74%
92%
Efficiency
0 &M Coşl
Rs. 50000 per year
Rs: 25000 per year
Life
10 years
10 years
Annual tax and insurance 1.5% of the investment 1.5% of the investment
MARR
15%
15%
How many hours per year would the motors have to be
operated at ful load for the annual cost to be equal?
Electricity cost= Rs. 5/kw.
(i)
(ii) if annual operation hour is 600 hrs., which motor should be
selected?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3444628e-6143-4529-86bc-c39f97995d4f%2F45e78042-95a6-457b-aaf6-d43441e84960%2F66nt4dp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:b) Supposc that there are two alternative electric motor that provide
10
100 HP output:
Alpha Motor
Beta Motor
Item
Rs. 125000
Rs. 1600000
Purchase Cosl
74%
92%
Efficiency
0 &M Coşl
Rs. 50000 per year
Rs: 25000 per year
Life
10 years
10 years
Annual tax and insurance 1.5% of the investment 1.5% of the investment
MARR
15%
15%
How many hours per year would the motors have to be
operated at ful load for the annual cost to be equal?
Electricity cost= Rs. 5/kw.
(i)
(ii) if annual operation hour is 600 hrs., which motor should be
selected?
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