An appliance draws 1A of current when plugged to a 220V outlet. It was further measured that the current lags the voltage by 32 degrees. What
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1. An appliance draws 1A of current when plugged to a 220V outlet. It was further measured that the current lags the voltage by 32 degrees. What is the power factor of the device? (2 decimal places)
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- The generator of a motor-generator set is delivering its full-load output of 10 kilowatts. The generator has an efficiency of 88.5%; the motor operates on a 230V line. Determine: a. the output of the motor in Horsepower, b. the number of amps the motor is taking from the line when the generator is delivering at rated load (the overall efficiency of the motor-generator set is 85%)What would the MPGe of an otherwise identical vehicle be if running on an electric motor, if you pay 15 cents per kilowatt-hour to charge it? Assume the price of gasoline is $2.79/gallon.A) Assume that electricity is supplied at a price of 100Bz per unit. Calculate the electricity bill in a month of 30 days for a house having the following electrical appliances with their average daily use: 1. One vacuum cleaner of 350W working for 30 minutes a day. 2. One refrigerator of 300W working for 24 hours a day. 3. 5 tube lights each of 30W and work for 4 hours a day.
- An electric heater is used to boil 5.76 L of water in 20 minutes. What is appropriate kilowatt rating of the electric heater? Ans. 2 kWA gas furnace is used to provide space heating at an efficiency level of 82%. The gas is sold at $1.45 per therm. Question: How much money is needed if 1049.7 MBH is demanded? Hint: 1 MBH equals 1,000 btuhAn appliance having a resistor of 20 ohms receive a current of 18 amp. Compute the power output in horsepower and the dissipated in Kj/hr
