Q. Second law of thermodynamics is applied when energy is used for:

View solution

Q. Electricity consumption can be reduced potentially by appliances used in:

View solution

Q. Compact fluorescent light (CFL) bulb that requires: less are as bright as ordinary

View solution

Q. Oil, gas, uranium and wind energy are:

View solution

Q. 'LED' stands for

View solution

Q. What does help in saving sudstantial energy in buildings?

View solution

Q. UK and USA have relatively poor standard of building insulation as compared to

View solution

Q. Incandescent light bulb is about 3% efficient in converting primary energy into

View solution

Q. One-fifth of electricity consumption in USA is used for

View solution

Q. 20 Watt compact 'fluorescent bulb' is equivalent to a 100-W ordinary

View solution

Q. Hospitals, having less premises, can be benefited from an electrical power source about

View solution

Q. In 2010, average global household electricity consumption was approximately:

View solution

Q. In 2000, total installed world capacity of PV increased about:

View solution

Q. By 2010, germany has been given a target of installing :

View solution

Q. An important component of a solar water heater:

View solution

Q. Cost of solar home system ranges from:

View solution

Q. In tropical countries, a solar cooking stove provides an efficient alternative to:

View solution

Q. In 1995, energy of solar arrays being generated:

View solution

Q. Over 20,000 water pumps are powered by:

View solution

Q. In 2010, 'USA' has completed a target of roof top solar system, roundabout:

View solution