2. Table 2 shows the list of electrical appliances and its energy consumption use in a normal household. Estimate the maximum operating hours of desktop computer, X if total household electrical bill need to be controlled at RM240 for 28 days, assuming the cost for each kilowatt/hour is RM0.25. Table 2 Electrical Number/ Operating appliance Freezer LED lamp Washing machine Energy consumption (Watt/per hour) 400 50 300 450 1000 550 Unit hours 24/day 8/day 8/week 1 10 1 4/day 8/day X/day TV 1 Air-Cond Desktop computer 1

2. Table 2 shows the list of electrical appliances and its energy consumption use in a normal household. Estimate the maximum operating hours of desktop computer, X if total household electrical bill need to be controlled at RM240 for 28 days, assuming the cost for each kilowatt/hour is RM0.25. Table 2 Electrical Number/ Operating appliance Freezer LED lamp Washing machine Energy consumption (Watt/per hour) 400 50 300 450 1000 550 Unit hours 24/day 8/day 8/week 1 10 1 4/day 8/day X/day TV 1 Air-Cond Desktop computer 1

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter2: Basic Electricity

Section: Chapter Questions

Problem 34RQ: What is the Btu/hour output of an electric heater rated at 15 kilowatts? a. 51.15 Btu/hour b. 51,150...

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