Description : According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in _____. A. 1 Hour B. 5 Hours C. 8 Hours D. 10 Hours
Last Answer : ANSWER: D
Description : According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in-----? A. 2 hours B. 5 hours C. 8 hours D. 10 hours (Answer)
Last Answer : D. 10 hours (Answer)
Description : According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in------? A. 1 hours B. 5 hours C. 10 hours (Answer) D. 15 hours
Last Answer : C. 10 hours (Answer)
Description : A 100-watt light bulb is left on for 10 hours. Electricity is 10 cents per kilowatt-hour. How much did it cost to operate the light bulb?
Last Answer : ANSWER: 10 CENTS
Description : A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00
Last Answer : ANSWER: X -- $10.00
Description : Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity. (A) 300 (B) 800 (C) 1400 (D) 2000
Last Answer : (C) 1400
Description : A 100-watt light bulb turned on for 8 hours uses : (A) 800 Wh (B) 0.8 kWh (C) 8 kWh (D) None of the above
Last Answer : A 100-watt light bulb turned on for 8 hours uses : (A) 800 Wh (B) 0.8 kWh (C) 8 kWh (D) None of the above
Description : The meter constant of a single-phase 230 V induction watt hour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 A of 0.9 pf lagging will be
Last Answer : The meter constant of a single-phase 230 V induction watt hour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 A of 0.9 pf lagging will be 13.80 rpm
Description : How much energy does it take to run a 100 watt light bulb for 24 hours?
Last Answer : It is usually measured in kilowatt hours. 100 watt bulb X 24 hours= 2400 watts or 2.4 kilowatt hours.
Description : How much do you pay per kilowatt-hour (kwh) for your electricity?
Last Answer : 1. there are three levels of pricing, depending on how much is used 0-700 =0.093 700-1000=0.157 over1000 = 0.175 per KWH in the summer. This varies seasonally 2. Northern California 3.Natural ... therms (seasonal) 0.968 above that 1.213 3. Gasoline for automobile $2.83.9 (yesterday, changes daily)
Description : The meter installed in our homes measure electricity in _____. A. KWh B. WKh C. Hkw D. Khw
Last Answer : ANSWER: A
Description : Units of electricity consumed by 2500 watt airconditioner in one hour are: A. 0.25 units B. 1.25 units C. 2.5 units D. 25 units
Description : If the voltage supplied to the lighting circuit is 110 volts, how much current is used by a 100 watt light bulb? A. 0.08 amps B. 0.91 amps C. 1.10 amps D. 90.9 amps
Last Answer : Answer: B
Description : How much energy in consumed if a 100 watt light bulb is operated for 10 MINUTES?
Last Answer : ANSWER: 60,000 JOULES or 60kJ or 6X104J
Description : About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy? (A) 10 times longer (B) 100 times longer (C) Same time (D) None of the above
Last Answer : About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy? (A) 10 times longer (B) 100 times longer (C) Same time (D) None of the above
Description : As per pie chart on energy consumption the supply unit of the electricity is……….. a. kWh c. kV b. kg. d. Watts
Last Answer : kwh
Description : 95. As per pie chart on energy consumption the supply unit of the electricity is……….. a. kWh c. kV b. kg. d. Watts
Description : What refers to the amount of heat removed from the cooled space in BTS’s for 1 watt-hour of electricity consumed? A. Cost efficiency rating B. Energy efficiency rating C. Coefficient of performance D. Cost of performance
Last Answer : Energy efficiency rating
Description : Kilowatt-hour (KWH) is the unit of - (1) power (2) resistance (3) resistivity (4) energy
Last Answer : (4) energy Explanation: The kilowatt hour (symbol kWh, kW h or kW h) is a unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt hours is the power in kilowatts multiplied by the time in hours.
Description : If voltage across a bulb rated 220 volt-100 watt drops by `2.5 %` of its value, the percentage of the rated value by which the power would decrease is
Last Answer : If voltage across a bulb rated 220 volt-100 watt drops by `2.5 %` of its value, the percentage of the rated value ... 20%` B. `2.5%` C. `5%` D. `10%`
Description : Can you damage your eyes if you look directly at a lit 100 watt bulb?
Last Answer : It all depends on how far away you are, and how much ambient light there is already, But no, even holding your face eight inches away in a dark room won’t do any significant damage. Your pupils will contract so no damage is done.
Description : Is the filament resistance lower or higher in a 500 watt light bulb than in a 100 watt light? Assume that both bulbs have been designed to operate at 110 volts.
Last Answer : ANSWER: LOWER
Description : How many hours will a 200 amp hour battery last at 168 watt?
Last Answer : If it is a car battery (as given in the category) it is reasonably safe to assume that under load it is about 12V. I = P/E = 168W / 12V = 14A T = 200AH / 14A = 14.29H However ... battery. This is also assuming that the car battery is not being charged at any time while the load is present.
Description : Is 10.9 cents/kwh a good electricity rate?
Last Answer : Depends on where you live. Check this site: http://www.eia.doe.gov/cneaf/electricity/epm/table5_6_a.html
Description : The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μm is (A) 6.35 kWh/ton (B) 9.0 kWh/ton (C) 18 kWh/ton (D) 25.4 kWh/ton
Last Answer : (C) 18 kWh/ton
Description : Which of the following is not a unit of energy? a.Joule b.kW c.N-m d.Electron volt e.Watt-hour
Last Answer : b. kW
Description : The unit of electrical power is – (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere
Last Answer : (2) Watt Explanation: Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Watt is named after the Scottish engineer James Watt who invented the Newcomen Steam Engine.
Description : Kilo watt – Hour is a unit of –
Last Answer : Energy
Description : The S.I. unit of power is (a) Henry (b) coulomb (c) watt (d) watt-hour
Last Answer : (c) watt
Description : The unit of electrical power is (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere
Last Answer : Bolt
Description : Which one is not an energy consumption benchmark parameter? a) kcal/kWh of electricity generated b) kg/ oC. c) kW/ton of refrigeration d) kWh/kg of yarn
Last Answer : b) kg/ oC.
Description : Who makes how many electricity bills a month?
Last Answer : We try to consume as little as possible where we are not. Do not light the lamp unnecessarily.
Description : In a nuclear power reactor, fission produces heat which is used to produce electricity. A reactor producing more fissionable material than it consumes is known as what kind of reactor?
Last Answer : ANSWER: BREEDER REACTOR
Description : Which of the following is not the unit of energy? (A) kg m (B) kcal (C) watt (D) watt hours
Last Answer : (C) watt
Description : CG Co manufactures a single product T. Budgeted production output of product T during June is 200 units. Each unit of product T requires 6 labour hours for completion and CG Co anticipates 20 per cent idle time. Labour is paid at ... for March is (a) Rs 6,720 (b) 8,400 (c) 10,080 (d) 10,500
Last Answer : (d) 10,500
Description : 74. Inverter tech AC if usage of AC is more than 1000 hour in a year and per unit cost of electricity is more than rs _________per unit. a) 10 c) 5 b) 7 d) 4
Last Answer : 5
Description : What is the Cost to run a 5 watt led bulb for a year?
Last Answer : Need answer
Description : A 60 watt light bulb runs for 5 seconds how much energy does it use?
Last Answer : 300 j of energy
Description : What is the efficiency of the motor if it actually uses 9.5 kWh in 12 hours?
Last Answer : 942 (rounded to 3 places).
Description : Can I replace a 60 watt incandescent light bulb with a fluorescent or LED bulb that puts out more light than the incandescent?
Last Answer : Light output is measured in lumens, and yes, you can find a fluorescent bulb in lumen output equal to or greater than an incandescent 75 or 100 watt bulb.And it won’t be anywhere near 60 watts, so you are safe.
Description : I have a 60 watt/120v clip-on lamp. What is the highest wattage of compact fluorescent bulb can I safely use in this lamp?
Last Answer : By the way, I mean actual watts on the fluorescent bulb, not replacement-watts. :)
Description : How many lumens in a 150 watt bulb?
Last Answer : A 150 watt halogen bulb will give off somewhere around 2000lumens. These lights may give off up to about 2400 lumens.
Description : How much money do you save by using a 20 Watt Compact Fluorescent over an incandescent bulb?
Last Answer : An Energy Star qualified compact fluorescent light bulb can save you around $30 over it's lifetime, paying for its self in about 6 months.
Description : Used normally, a 150-watt, 120 volt light bulb requires how many amps of current?
Last Answer : ANSWER: 1.25 AMPS
Description : Who invented the electric bulb? (1) Thomas More (2) Thomas Alva Edison (3) James Watt (4) None of these
Last Answer : Thomas Alva Edison
Description : Kilowatt One thousand watt power is called as _____. A. 1.0 kilowatt B. 0.8 kilowatt C. 1.5 kilowatt D. 0.5 kilowatt
Description : One thousand watt power is called as _____. A. 1.0 kilowatt B. 0.8 kilowatt C. 1.5 kilowatt D. 0.5 kilowatt