Recent questions tagged conservation

Description : Where does the money donated to "save the ___ animal" actually go?

Last Answer : answer:Charities (non-profits) need to file information with the IRS in order to keep their tax exemption. Among other numbers, they need to report: - program expenses (actually helping the animals) ... Here is a REAL BAD one: http://www.charitynavigator.org/index.cfm?bay=search.summary&orgid=12761

Description : Should one turn off the hot water heater if not using the house for a week? or just leave it on?

Last Answer : answer:I would leave the heater on but turn off the main water supply. I had a small leak in a copper pipe the was undetectible. We left for a week and when we got home the pipe had split and we had ... left on. The water won't be used so the tank will be full and the heater will seldom kick on.

Description : Explain about Electric Energy Conservation? How Energy conservation can be done in Lighting?

Last Answer : Ans: Today in India, the per capita availability of energy is much less than the energy in developed countries. The demand for energy is always out placing availability, the shortfall being ... In streets of rural areas and side streets, street lighting luminaires with fluorescent lamps are used.

Description : What do you mean by energy conservation? why it is required and how it can be done?

Last Answer : Ans Energy conservation means saving of Electricity without fore going its utility. Conservation is required in present scenario of growing demand of power, depleting of natural resources and increase of and lack of ... pumps. i. Use of APFC panels j. Use of copper wiring inplace of Aluminum wiring.

Description : State the difference between energy conservation and energy audit. 

Last Answer : energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit. 

Description : List the energy conservation technique in induction motor. 

Last Answer : Following are the list of energy conservation techniques in electrical motors: 1) Reduction in iron losses by using low loss silicon steel core material laminated to thinner dimension. 2) Using bigger length ... at light load. 13) By rewinding in induction motor 14) By motor survey

Description : Define Energy conservation. 

Last Answer : Energy conservation:  Reduction in the amount of energy consumed in a process or system, or by an organization or society, through economy, elimination of waste, and rational use is referred ... electrical power and to increase the efficiency of every machine and material by minimizing the losses.

Description : State the Principle of energy conservation.

Last Answer : Principle of energy conservation: The law of conservation of energy states that the total energy of an isolated system remains constant-it is said to be conserved over time. Energy can neither be ... due to burning of fuels, greenhouse gases and avoid harmful effects on all livings on earth. 

Description : Discuss how power factor tariff results into energy conservation.

Last Answer : Power factor tariff results into energy conservation: i) Applying incentives and penalties according to power factor is an effective way, which enables consumer to improve power factor so that he can ... finally leads to reduction in the current drawn by the load and helps for energy conservation.

Description : Explain the need of energy conservation in present scenario.

Last Answer : Need of energy conservation in present scenario: 1. Fossil fuels like coal, oil which have taken no. of years to form and now they are on the verge of depleting soon. 2. In last ... protection and integrated economic and social development. 9. Energy saved is as good as energy generated. 

Description : Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses. 

Last Answer : Energy conservation techniques to reduce commercial losses:  1. Mitigation of Power Theft: Power theft being the most important issue which all of the service providing utilities ... agricultural sector. Prepaid meters may prove effective measures against unauthorized abstraction of energy. 

Description : Explain following techniques related to energy conservation in transmission and distribution system. (i) By balancing phase currents (ii) Variable technical losses (I2R losses).

Last Answer : (i) Balancing Phase currents: Proper (healthy balanced) three phase loads always draw equal currents in all lines but single phase loads in the 3 phase 4 wire system or loads connected between two ... . 11) Minimize I2R losses. 12) Balance the load currents. 13) Regulate the system voltages.

Description : What is Time of Day tariff? How it help in energy conservation?

Last Answer : Time-off-day tariff:- In addition to basic tariff (Maximum Demand Tariff / KVA Maximum Demand Tariff / Load factor tariff /also the tariff in which P.F. of industrial consumer is taken ... the rated load for longer times of the day their overall efficiency gets higher helping to conserve energy.

Last Answer : Energy conservation technique in induction motor by minimizing idle and redundant running of motor: 1) Loss of energy as the no load power drawn is approximately about 12% to 16% of rated ... to unnecessary line losses. 4) Reduction in overall system energy efficiency over period of time.

Description : State the need of energy conservation in transformer. 

Last Answer : Need of energy conservation in transformer: In electrical power system, transformers are used to change the voltage levels of different sections as per the need of economic and efficient operation of ... for some other good reason. Therefore, there is need of energy conservation in transformer.

Description : State the need of energy conservation in electrical motor.

Last Answer : Need of energy conservation in Electrical motors: 1. Induction motors are used as electrical drives in industrial, commercial and residential sectors. 2. Considering all industrial applications, 70% of ... system. 8. To adopt advanced technology in design and to use better quality materials.

Description : Explain any two energy conservation techniques in fan.

Last Answer : Following are energy conservation techniques in Fans : 1) Use the electronic regulators instead of conventional regulator: Function of regulator is to control the speed of the fan. The conventional regulators ... 't forget to properly maintain your electric fan and keep it in good working order. 

Description : Explain energy conservation method in lighting system by using installation of separate transformer / servo stabilizer.

Last Answer : Energy conservation techniques by installation of separate transformer / servo stabilizer: The luminous efficiency of lamps depends upon the voltage applied across the terminals. It gives its best ... the voltage constant in that installation for giving best luminous efficiency of lamps.

Description : Describe the following energy conservation methods of lighting system. i) By replacing lamp sources ii) Using light control gears.

Last Answer : Energy conservation methods of lighting system:  i) By replacing lamp sources:  Installation of energy efficient fluorescent lamps in place of Conventional fluorescent lamps. Installation of ... (HF) electronic ballasts in place of conventional ballasts which saves energy up to 35%.

Description : Describe the following energy conservation methods of electrical motor. i) By motor survey ii) By matching loads with motor rating

Last Answer : Energy conservation methods of electrical motor:  1) By Motor Survey: Large industries have a massive population of LT motors. Load survey of LT motors can be taken-up methodically to ... -speed motors, eddy-current couplings, fluid couplings, and solid-state electronic variable speed drives.

Description : Explain energy conservation technique “by improving power quality” for induction motor.

Last Answer : Energy conservation method in induction motor by improving power quality: Electrical energy can be conserved by improving the power quality. It can be achieved by avoiding voltage unbalance, maintaining ... losses can be minimized by using harmonic filter thus reducing the harmonics in the system.