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IEC 130.2 worksheet Questions and Answers 100% Solved
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Exam of 1 pages for the course IEC at IEC (IEC 130.2 worksheet)
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IEC 130.2 worksheetA duct heater has a nameplate rating of 6.32 KW @ 250 volts. If the duct heater is
operated at 230 volts and is used for eight hours per day, it will cost $___ to operate for
one year (365 days). The power cost is 14.7 cents per kW-hour. - answer$2,296.11
A baseball field has 800 luminaires to light the playing field. Each luminaire contains a
1500-watt multivapor lamp. For an evening game, the field lights are turned ON at 2
p.m. and OFF at 1 a.m. the following morning. What is the energy cost to operate the
field lighting for this game? Electricity costs $0.12 per kW-hr. - answer$1,584
The initial cost of metal halide luminaires is ___ than that of quartz luminaires. - answer
greater
How much will it cost to install, operate, and maintain one luminaire with a 100-watt
metal halide lamp for 12.5 hours per day for 10 years (365 days per year)? The initial
cost of the new luminaire (including installation labor) is $245.00. Electricity costs $0.14
per kW-hr. The maintenance costs (including labor) to replace a ballast and three lamps
during the 10-year period is $375. $___ for electricity used+ $___ for initial luminaire
cost+ $___ for maintenance - answer$1258.75
An air conditioner pulls 23 amps at 240 volts. The electric utility rate is 9.1 cents per
kW-hr. The air conditioner "runs" for 8.5 hours each day. The cost to operate the air
conditioner for 30 days is ___. - answer$128.09
If a 95-watt lamp operates for 11 hours, the utility will bill for ___ kWh. - answer1.045
What is the monthly energy cost to operate a 200-watt high-pressure sodium lamp?
Electricity costs $0.11 per kW-hr and the lamp will be ON for 12 hours per day. There
are 30 days in a billing month. - answer$7.92
macaroni and cheese - answerAlso "Mac and cheese." Macaroni pasta with cheese
sauce.
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