INTRO. TO CHEM.ENG.THERM. W/ ACCESS >IC
INTRO. TO CHEM.ENG.THERM. W/ ACCESS >IC
18th Edition
ISBN: 9781307362657
Author: SMITH
Publisher: MCG/CREATE
Question
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Chapter 1, Problem 1.17P
Interpretation Introduction

Interpretation:

The yearly price of “security,” per light should be determined.

Concept Introduction:

Daily power consumption of bulb can be calculated by taking product of power for one day and average hours a day. Thus, yearly consumption can be calculated by multiplying the daily power consumption to number of days in a year that is 365. If the cost of 1 kWh power is given, same can be calculated for yearly consumption of power. The total yearly price of light will be sum of yearly consumption and number of bulbs used depending on the cost of 1 bulb.

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