Exercise 2. No. 1. A ship has forty 100 W, twenty 200 W, twenty 40 W and seventeen 30 W lamps. It has also six 150 hp motors whose efficiency if 90 per cent. The lamps burn 2 ½ hrs a day for 22 days. The motors run 8 ½ hrs a day for 22 days. If kwhr costs cost $0.75, what is the total operating cost?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Exercise 2. No. 1. A ship
has forty 100 W,
twenty 200 W, twenty
40 W and seventeen
30 W lamps. It has also
six 150 hp motors
whose efficiency if 90
per cent. The lamps
burn 2 ½ hrs a day for
22 days. The motors
run 8 ½ hrs a day for 22
days. If kwhr costs cost
$0.75, what is the total
operating cost?
Transcribed Image Text:Exercise 2. No. 1. A ship has forty 100 W, twenty 200 W, twenty 40 W and seventeen 30 W lamps. It has also six 150 hp motors whose efficiency if 90 per cent. The lamps burn 2 ½ hrs a day for 22 days. The motors run 8 ½ hrs a day for 22 days. If kwhr costs cost $0.75, what is the total operating cost?
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