What are the advantages and disadvantages of solar energy?
Last Answer : Free of costRenewable energyInextable solar energyLow energy densityHigh capital costMaintenance cost highDepends on weatherNeed to direction tracking
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120 views
1 answer
asked
Dec 19, 2017
by
anonymous
What are the advantages and disadvantages of wave energy?
Last Answer : AdvantagesFree from pollutionAvailable for every timeThe water can reuse as drinking purposeDisadvantageMore costLarge maintenanceDifficult to constructAquatic life get affected
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161 views
2 answers
asked
Dec 19, 2017
by
anonymous
What are some disadvantages of hydroelectric power plant?
Last Answer : The disadvantages of the hydroelectric power plant are as follows :The hydroelectric power plant can be developed only where the large quantity of water is available. The hydroelectric ... civil engineering costs may be high.These are some disadvantages of the hydroelectric power plant.
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93 views
1 answer
asked
Dec 19, 2017
by
anonymous
How does Solar Energy Work?
Last Answer : How does Solar Energy Work? The world is facing an energy crisis. Energy resources such as oil and coal not only continue to cost more, but when burned contribute to polluting the ... energy will be a viable economic alternative to fossil fuels for producing energy for homes and businesses.
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10 views
1 answer
Explain the importance of solar power in the energy deficient India.
Last Answer : Mainly electricity generated in India is from - Hydro power plant Thermal power plant Nuclear power plant BUT, To construct new Hydro power plant following are problem :- 1. There is ... start) 10. It saves the fossil fuel (coal, diesel, oil etc.) which are limited available.
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82 views
1 answer
asked
Sep 8, 2018
by
anonymous
Explain with schematic diagram direct distribution of solar energy.
Last Answer : Explain with schematic diagram direct distribution of solar energy: Solar energy reaching earth's surface consists of two components: i) Direct solar energy, ii) Diffused solar energy. Direct solar energy ... radiation. It is very intense radiation and it can produce sun burns and shadows.
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141 views
1 answer
asked
Sep 8, 2018
by
anonymous
Reflector mirrors employed for exploiting solar energy are called the (1) Mantle (2) Heliostats (3) Diffusers (4) Ponds
Last Answer : Reflector mirrors employed for exploiting solar energy are called the Heliostats
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1.2k views
1 answer
asked
Apr 30, 2018
by
anonymous
What are the advantages and disadvantages of tidal power?
Last Answer : Free of costPollution freeLong life Less maintenance
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142 views
1 answer
asked
Dec 19, 2017
by
anonymous
Explain the advantages and disadvantages of using memory I/O and standard I/O.
Last Answer : Memory mapped I/O and standard I/O are the two methods for communicating microprocessor with peripherals. Processor talks to both memory and peripheral using the same bus.Two ways to talk to a peripheral. ... of standard I/O is no loss of memory addresses to the use as I/O addresses.
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171 views
1 answer
asked
Mar 26, 2018
by
anonymous
Which countries are using wave energy?
Last Answer : The following countries are using wave energy :GreecePortugalUnited StatesUnited KingdomSpainIsraelSweden
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227 views
1 answer
asked
Dec 19, 2017
by
anonymous
State the disadvantages of skin effect.
Last Answer : Disadvantages of skin effect:- 1. Full cross section of conductor is not utilized, Therefore effective area of conductor reduces so its resistance increases. 2. Due to increase in resistance, copper ... increases (Since Voltage drop = IR ) 5. So voltage regulation becomes poor (increases)
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250 views
1 answer
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May 22, 2020
by
anonymous
State advantages and disadvantages of radial distributor system.
Last Answer : Advantages of radial distributor system: 1. Design of layout is simple. 2. Capital cost & Erecting cost is less as there is only one feeder. 3. Time required for completion of ... maintain supply to consumers when there is maintenance on feeder. 3. Voltage fluctuations are more.
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419 views
1 answer
asked
May 22, 2020
by
anonymous
advantages and disadvantages of ICs.
Last Answer : Advantages of ICs: 1.The physical size of an IC is extremely small (generally thousand times smaller) than that of discrete circuits. 2. The weight of an IC is very less as compared to that of ... is high 3. Power dissipation is limited. 4. ICs are very delicate and need extra care while handling
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88 views
1 answer
asked
Aug 19, 2019
by
anonymous
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What are advantages and disadvantages of Mechatronics system?
Last Answer : Advantages of Mechatronics system: High level of integration. Increased functionality and better design. More use of electronics and software instead of mechanical function. Assumes ... Its replacement is difficult, that it is difficult to change old system to new system.
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2.4k views
1 answer
asked
Aug 10, 2019
by
anonymous
State advantages and disadvantages of fiber optic communication
Last Answer : Advantage of fiber optic communication: 1.Greater information capacity/ higher bandwidth OFC's are capable of transmitting several gigabits per second over hundreds of miles allowing millions of ... are not flexible 7.Requiring more protection around the fiber cable compared with copper cable
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2.4k views
1 answer
asked
Aug 8, 2019
by
anonymous
State advantages and disadvantages of continuous wave Radar
Last Answer : Advantages continuous wave RADAR : 1.Single frequency transmission and hence narrow receiver bandwidth 2.Duty cycle is unity, so mean power can be as high as transmitters will permits. 3.Ability ... required for receiver and transmitter. 3.Cannot detect targets crossing its beam at right angles.
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116 views
1 answer
asked
Aug 8, 2019
by
anonymous
State advantages & disadvantages of electromagnetic flow meter.
Last Answer : Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid.
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78 views
1 answer
asked
Aug 5, 2019
by
anonymous
List advantages and disadvantages of MEMS.
Last Answer : Advantages : 1. Batch fabrication and hence reduced cost. 2. Reduced size and reduced power ( due to pin size and reduced package volume) 3. High precision and resolution. 4. Reduced ... cannot be loaded with large forces because brittle materials can be fractured easily under high stress.
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72 views
1 answer
asked
Jul 21, 2019
by
anonymous
What are the disadvantages of Open loop control system?
Last Answer : Open loop control system are less reliable. In open loop control system Optimization is not possible. Open loop control system are less accurate.
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109 views
1 answer
asked
Jul 4, 2019
by
anonymous
State the advantages and disadvantages of hydroelectric power plant.
Last Answer : Advantages of Hydroelectric power plant:- 1. There is no air pollution and other environmental problems. 2. The fuel (water) is available freely. 3. No fuel transportation cost so; there is ... , this can force the relocation of large numbers of riverside cities, towns, villages & people.
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87 views
1 answer
asked
Sep 8, 2018
by
anonymous
State any two advantages and two disadvantages of nuclear power plant.
Last Answer : Disadvantages of Nuclear Power Plant: - 1. The capital cost of Nuclear power plant is very high as compare to other power plant of same capacity. 2. The erection & ... material could be released into the environment. Causing extensive damage to the mankind,animals and environment.
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167 views
4 answers
asked
Sep 8, 2018
by
anonymous
State any four advantages and four disadvantages of diesel electric power plant.
Last Answer : Advantages of Diesel electric power plant:- 1) The design and layout of Diesel electric power plant is simple. 2) It requires less space. 3) Time required for complete erection of diesel power plant is less ... . 9) The useful life is very short. 10) Availability of fuel in future may be limited.
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122 views
1 answer
asked
Sep 7, 2018
by
anonymous
Write any four advantages and four disadvantages of thermal power plant.
Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
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168 views
3 answers
asked
Sep 7, 2018
by
anonymous
Write any two disadvantages of hydro power plant.
Last Answer : Disadvantages of hydro power plant: i) Due to high cost of civil engineering works, the capital cost per kW of hydro plants is considerably higher than that of steam plants. ii) Hydro ... ) Hydro plant reservoir submerges huge areas, uproots large population and creates social and other problems.
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77 views
1 answer
asked
Sep 7, 2018
by
anonymous
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Write any two disadvantages of ammeter shunts.
Last Answer : Disadvantages of ammeter shunts: 1. Errors are caused because of change in temperature. 2. Most suitable for DC measurement. 3. Power loss takes place.
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167 views
1 answer
asked
Sep 6, 2018
by
anonymous
State any two disadvantages of one wattmeter method of measurement of 3 phase power.
Last Answer : State any two disadvantages of one wattmeter method of measurement of 3 phase power. Disadvantages of one wattmeter method:- 1. Only used for balanced load 2. It can not be used for ... connection then neutral point must be available 4. Delta connection must be opened to connect current coil.
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1.8k views
1 answer
asked
Sep 6, 2018
by
anonymous
Write advantages and disadvantages of positive and negative feedback.
Last Answer : Advantages of Positive Feedback: i) Voltage gain increases. ii) No phase shift is provided. iii) Feedback signal and input signal are in phase. iv) Input and Output voltage increases. ... ii) Feedback signal and input signal are out of phase. iii) Input and Output voltage decreases.
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4.2k views
1 answer
asked
Sep 5, 2018
by
anonymous
The main disadvantages of having poor power factors are: (A) High cost of station and distribution equipment (B) Poor voltage regulation (C) High energy loss in conductor (D) All of the above
Last Answer : The main disadvantages of having poor power factors are: (A) High cost of station and distribution equipment (B) Poor voltage regulation (C) High energy loss in conductor (D) All of the above
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68 views
1 answer
asked
May 8, 2018
by
anonymous
What are the advantages and disadvantages of automation?
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108 views
0 answers
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Mar 10, 2018
by
anonymous
What are the disadvantages of the linear regulator? how are they overcome in the switching regulator? What is continuous and discontinuous mode switching regulator?
Last Answer : Disadvantages of the linear regulator: Linear regulator waste power in the form of heat. Linear regulator has very low efficiency. Linear regulator cannot be used for the step ... between continuous mode and discontinuous mode switching regulator.
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106 views
1 answer
asked
Feb 11, 2018
by
anonymous
what are the disadvantages of thyristor?
Last Answer : Disadvantages of thyristor The silicon controlled rectifier (SCR) is unidirectional devices, so it can control power only in DC power during positive half cycle of AC supply. Thus only DC power is ... cycle. It cannot be used at higher frequencies. The gate current cannot be negative
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886 views
2 answers
asked
Dec 6, 2017
by
anonymous
What is the definition of wind energy?
Last Answer : Motion of atmosphere of earth is called wind and its kinetic energy is called wind energy
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123 views
1 answer
asked
Dec 19, 2017
by
anonymous
What is the difference between renewable and nonrenewable energy sources?
Last Answer : Renewable energy sources are non-perishable, and Non-renewable energy sources are perishable sources. Non-Renewable energy sources are like coal, oil,nuclear fuel etc. Renewable energy sources are :- wind, solar, tidal, Geo thermal etc.
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323 views
2 answers
asked
Dec 18, 2017
by
anonymous
What are the different sources of renewable energy?
Last Answer : Solar Wind Tidal Geothermal
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126 views
1 answer
asked
Dec 18, 2017
by
anonymous
How to Make a Solar Oven
Last Answer : Conventional ovens, although reliable, are expensive and contribute heavily to your electric bill. Gas ranges, on the other hand, are slightly more convenient, although the price of gas has increased through the ... , with a solar oven, you're just a ray of sunshine away from another luscious meal.
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9 views
1 answer
How to Build a Solar Oven
Last Answer : How to Build a Solar Oven Introduction What often comes to mind when you think of solar power? You may think of massive arrays of solar panels that are used to harness the energy from the sun. You could ... can use a stick, a rock or some other object to prop open the lid to the proper position.
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7 views
1 answer
asked
May 13, 2021
by
anonymous
How to Build a Solar Furnace
Last Answer : How to Build a Solar Furnace How to Build a Solar Furnace Solar furnaces are actually made up of something known as silicon, the same substance that makes silica or sand. The funny part is that ... not rust like iron. So the entire structure of the furnace is built to last for several years.
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3 views
1 answer
asked
May 12, 2021
by
anonymous
on which way does a solar p annel need to be install using which types of tools
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3 views
0 answers
How Do Solar Yard Lights Work?
Last Answer : How Do Solar Yard Lights Work? Solar yard lights have become extremely popular over the last several years as more and more people switch from traditional yard lighting to solar. While traditional yard ... local and state governments who now use this technology for street and park lighting as well.
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3 views
1 answer
asked
May 9, 2021
by
anonymous
SOLAR SYSTEM FACTS
Last Answer : There are tons of asteroids in our solar system. One of them, Asteroid 243 Ida, even has it's own moon. One of the moons of Saturn, called Mimas, is heavily cratered. This creates an odd appearance ... our solar system, the sun still accounts for 99.8 percent of the total mass of our solar system.
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6 views
1 answer
asked
Apr 1, 2021
by
anonymous
Photocell and solar cell difference?
Last Answer : A photo cell is a light dependent resistor which decreases it resistance high intensity of light and is used to automatically control lights etc where as a solar cell solar or light energy into electrical energy.
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209 views
2 answers
asked
Sep 2, 2019
by
anonymous
Why solar system is preferred now a days ? Justify your answer.
Last Answer : Since availability of fossil fuels like coal are limited in future so there is more importance of solar power in the energy deficient because of following advantages of solar power Fuel is ... . 10. solar system technology are ideally suited to distributed applications ( Decentralized system)
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71 views
1 answer
asked
Aug 3, 2019
by
anonymous
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State the types of solar collector and explain any one.
Last Answer : Types of solar collector: 1. Flat Plate type collectors :- a) Flat plate collectors (FPC) b). Evacuated Tubular collector (ETC) 2. Concentrating type collectors (focusing ... to north direction because there is more solar energy in this direction than the East-West arrangement.
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323 views
1 answer
asked
Aug 3, 2019
by
anonymous
Explain the characteristics of solar cell.
Last Answer : Characteristics of solar cell : Explanation :- Solar cells produce direct current ( DC ) electricity and current times voltage equals power, so we can create solar cell I-V curves representing ... system so that it can operate as close to its optimal peak power point (MPP) as possible.
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260 views
1 answer
asked
Aug 2, 2019
by
anonymous
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With a neat diagram explain solar photovoltaic power plant.
Last Answer : Diagram of solar photovoltaic power plant : Explanation: Solar power plant consists of following components: 1. Photovoltaic cell panel: Its function is to convert sunrays directly into DC ... . 5. Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V
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376 views
1 answer
asked
Jul 24, 2019
by
anonymous
Last Answer : Diagram explain solar power tower : All concentrating solar thermal power (STP) basic elements: Concentrator Receiver Transport-storage (a portion of the thermal energy ... with alternator which converts mechanical power to electrical energy Exhaust steam is condensate in condenser
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455 views
1 answer
asked
Jul 24, 2019
by
anonymous
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Last Answer : Because of following advantages concentrating type collector are used in solar power plant: - 1. Temperature: Temperature obtained is high because absorber area is less and collector/reflector area ... results: As tracking system is used better results are obtain than flat type collector.
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98 views
1 answer
asked
Jul 24, 2019
by
anonymous
Classify the solar collectors and compare them.
Last Answer : Classification of solar collectors :- 1. There are two main types of Flat Plate type collectors :- a) Flat plate collectors (FPC) b). Evacuated Tubular collector (ETC) 2. Concentrating ... directly from water Can be used to generate electricity with the help of steam turbine
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70 views
1 answer
asked
Sep 8, 2018
by
anonymous
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Define : i) Diffuse radiation ii) Beam radiation ii) Insolation iv) Solar constant
Last Answer : i) Diffuse radiation: It is the solar radiation which is scattered by the particles in earth's atmosphere and this radiation does not have any unique direction. ii) Beam radiation: Solar radiation ... from the sun. OR It is the average radiation received outside the earth's atmosphere
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297 views
1 answer
asked
Sep 8, 2018
by
anonymous
State the principle of solar cell. What is necessity of series and parallel connection of solar cells.
Last Answer : Principle of solar cell:- Working:- Solar cell operates on principle of Photo-voltaic effect Solar cell works in following steps: The solar cell is composed of a P-type ... of Voltage & Current rating it is necessity of connecting series and parallel connection of solar cells.
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111 views
1 answer
asked
Sep 7, 2018
by
anonymous
