Last Answer : Annual depreciation as per straight line method, is calculated by the capital cost minus the salvage value, is divided by the number of years of life.
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71 views
1 answer
asked
Mar 20, 2018
by
anonymous
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What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
Last Answer : What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
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209 views
1 answer
asked
Apr 29, 2018
by
anonymous
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What are the criteria for selection of site for hydroelectric power plant?
Last Answer : Following Factors to be kept while site selecting for Hydro power plant: 1. It should be located where high rain fall occurs. 2. A large catchments area must be available to store water. 3. It ... 12. Cost of land should be less. 13. Skilled and unskilled man power should be available nearby.
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2.7k views
1 answer
asked
Jul 24, 2019
by
anonymous
Explain the function of different parts of a typical nuclear power plant with neat sketch.
Last Answer : Functions of each part of Nuclear power plant:- 1) Nuclear Reactor: In nuclear reactor the fuel rod of U235 is placed through which tremendous amount of heat energy is ... is mechanically coupled with steam turbine. 8) Alternator: It converts mechanical energy into electrical energy.
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2.8k views
1 answer
asked
Jul 24, 2019
by
anonymous
With a neat diagram explain pumped storage hydro power plant.
Last Answer : Diagram of pumped storage hydro power plant: Explanation: In this power plant, generator is so designed that it Converts mechanical power into electrical power and also works as a ... helps in reducing a reserve capacity of PP as it provides additional power during peak load period.
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837 views
1 answer
asked
Jul 24, 2019
by
anonymous
Draw a layout of a thermo-chemical based power plant.
Last Answer : Layout of a thermo-chemical based power plant: In this process dry biomass fuels converted to produce gas ,liquid fuels or oil by thermo chemical conversion Thermo-Chemical conversion are of following ways:- 1. Direct combustion 2. Gasification 3. Pyrolysis
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2.4k views
1 answer
asked
Jul 24, 2019
by
anonymous
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 : 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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99 views
1 answer
asked
Jul 24, 2019
by
anonymous
List the types of turbine used in hydro power plant.
Last Answer : Following types of turbine used in hydro power plant: 1.Pelton wheel 2.Francis Turbine 3.Kaplan Turbine 4.Propeller Turbine
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100 views
1 answer
asked
Jul 24, 2019
by
anonymous
The overall efficiency of Thermal Power Plant is equal to _______________ . (A) Regenerative Cycle Efficiency (B) Renkine Cycle Efficiency (C) Carnot cycle efficiency (D) None of the above
Last Answer : The overall efficiency of Thermal Power Plant is equal to Regenerative Cycle Efficiency.
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449 views
1 answer
asked
May 8, 2018
by
anonymous
In a thermal power plant, ash is collected in
Last Answer : In a thermal power plant, ash is collected in hoppers or bunkers
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112 views
1 answer
asked
May 3, 2018
by
anonymous
The rankine cycle efficiency of steam power plant is (1) 60-80% (3) 30-45% (2) 45-80% (4) 20-30%
Last Answer : The rankine cycle efficiency of steam power plant is 30-45%
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111 views
1 answer
asked
Apr 29, 2018
by
anonymous
Last Answer : In a power plant if the maximum demand on the plant is equal to the plant capacity, then plant reserve capacity will be zero.
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277 views
1 answer
asked
Mar 20, 2018
by
anonymous
Last Answer : Maximum demand on a power plant is the greatest of all "short time interval averaged" demand during a period.
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98 views
1 answer
asked
Mar 20, 2018
by
anonymous
Last Answer : More than 100%
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158 views
2 answers
asked
Mar 20, 2018
by
anonymous
What is the largest power plant in the world?
Last Answer : japam
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85 views
2 answers
asked
Mar 10, 2018
by
anonymous
How many watts does a power plant produce?
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114 views
0 answers
asked
Mar 10, 2018
by
anonymous
What is the most common type of power plant?
Last Answer : Hydroelectric power plant.
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118 views
1 answer
asked
Mar 10, 2018
by
anonymous
How much electricity is produced by a power plant?
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98 views
0 answers
asked
Mar 10, 2018
by
anonymous
Last Answer : Hydroelectric power plant is expected to have the longest life.
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80 views
1 answer
asked
Mar 20, 2018
by
anonymous
What are the basic requirements of locating wind power plant ?
Last Answer : The basic requirements of locating wind power plant: 1) The site should be selected where winds are strong i.e. where pressure of wind is high and there is continuity. 2) Wind pressure ... the turbine which can affect the system's overall performance. 10)Possibility to connect to power grid.
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137 views
1 answer
asked
Aug 2, 2019
by
anonymous
State elements of diesel electric power plant with their functions.
Last Answer : Elements of Diesel Power Plant with their function): 1) Diesel Engine: - This is the main component of the P.P. which develops mechanical power. 2) Engine air intake system: - Air ... fuel as per requirement. 10) Alternator: - Its function is to convert mechanical power into electrical power.
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99 views
1 answer
asked
Aug 2, 2019
by
anonymous
State advantages of Pulverized coal w.r.t. thermal power plant.
Last Answer : Advantages of Pulverized coal w.r.t. thermal power plant. 1. Due to pulvarization amount of fuel required to produce same amount of heat reduces. 2. Time required for combution reduces ... of air and thorough mixing of air and fuel, very high-combustion temperatures can be attained.
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99 views
1 answer
asked
Aug 2, 2019
by
anonymous
State the function of super heater of a thermal power plant.
Last Answer : Function of Super heater: - Its function is to increase the temperature of steam by absorbing heat from exhausted hot flue gases.
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87 views
1 answer
asked
Aug 2, 2019
by
anonymous
State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.
Last Answer : 1. Because of following points Nuclear power plant used as base load power plant:- 1. Nuclear power plants is very economical for producing bulk amount of electric power 2. Nuclear power plant is reliable ... . The plants can be put on load easily. 4. Diesel engines take less time to make OFF.
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120 views
1 answer
asked
Sep 8, 2018
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
Explain the nuclear chain reaction in a nuclear power plant.
Last Answer : Nuclear chain reaction in a nuclear power plant: If a slow moving neutron hits unstable heavy nucleus of nuclear fuel U235 or Pu239 , the neutron is absorbed, the nucleus splits into two more ... chain reaction can be controlled and desired heat energy can be obtained in nuclear power plant.
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97 views
1 answer
asked
Sep 8, 2018
by
anonymous
Explain starting system in diesel electric power plant.
Last Answer : Starting system in Diesel Electric Power Plant: It includes Storage battery, compressed air tanks, self-starter etc. The purpose of engine starting system is to rotate the engine initially while ... as Ammeters, Voltmeters, Wattmeters, Thermometers, Pressure gauges, Visible and audible alarm etc.
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125 views
1 answer
asked
Sep 8, 2018
by
anonymous
Explain the procedure for disposal of nuclear power plant.
Last Answer : Disposal of nuclear waste: The waste products by nuclear fission may be solid, liquid or gas. i) Solid harmful disposals are packaged as required and shipped to a burial site for disposal. ii) Liquids ... and tested. If the required limits are met, these will be released to atmosphere.
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63 views
1 answer
asked
Sep 8, 2018
by
anonymous
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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
Explain fuel system and air intake system in diesel electric power plant.
Last Answer : Fuel system and air intake system in diesel electric power plant : Fuel system: It consists of storage tank, strainers, fuel transfer pump and all day fuel tank. The fuel oil is supplied ... Filters are provided to remove dust particles from air which may act as abrasive in the engine cylinder.
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123 views
1 answer
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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123 views
1 answer
asked
Sep 7, 2018
by
anonymous
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State any four factors for selection of hydro power plant site.
Last Answer : Following Factors to be kept while site selecting for Hydro power plant: 1) Quantity of water available :-Where high rainfall occures so that sufficent quantity of water can be stored for generation of ... be possible to divert the stream. 11. Sand, gravel, etc., should be available nearby.
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223 views
2 answers
asked
Sep 7, 2018
by
anonymous
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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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169 views
3 answers
asked
Sep 7, 2018
by
anonymous
State the different types of engines in diesel power plant.
Last Answer : Types of engines in diesel power plant: 1) Two Stroke Diesel Engine 2) Four Stroke Diesel Engine
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67 views
1 answer
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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79 views
1 answer
asked
Sep 7, 2018
by
anonymous
State any four factors for selection of site of wind power plant.
Last Answer : The Factors for selection of site for Wind Mills: 1) The site should be selected where winds are strong i.e. where pressure of wind is high and there is continuity (14.4- 16.2 km/h) ... 50m of the turbine which can affect the system's overall performance 10)Possibility to connect to power grid.
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174 views
1 answer
asked
Sep 7, 2018
by
anonymous
List out the four applications of diesel electric power plant.
Last Answer : Applications of Diesel Power Plant: 1. It can be used as a standby (emergency) power plant to maintain continuity of supply. (Incase failure of main supply like hospital, Telephone exchange Radio stations, ... 10. Diesel plants are widely used for generating power ranging from 100 to 5,000 H.P.
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168 views
1 answer
asked
Sep 7, 2018
by
anonymous
Explain ash disposal and dust collection in a thermal power plant.
Last Answer : Ash disposal:- Various methods of disposal of ash are: Mechanical handling system. Pneumatic system. Hydraulic system Steam jet system Commonly used ash handling ... be done either manually or automatically. This removed fly ash is collected in separate container
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90 views
1 answer
asked
Sep 7, 2018
by
anonymous
State any four factors for selecting location of nuclear power plant.
Last Answer : i) Seismicity: If the area of a nuclear site is seismically active, it may not be used for nuclear power plant. ii) Water Availability: The nuclear power plants would need a ... Therefore, the site selected for such plant should have adequate arrangement for the disposal of radioactive waste.
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240 views
2 answers
asked
Sep 7, 2018
by
anonymous
Distinguish between fire tube and water tube boilers in steam power plant.
Last Answer : Fire Tube boiler Water Tube boiler In fire tube boilers hot gases are passed through the tubes and water surrounds these tubes. In these boilers water is inside the tubes and hot gases are ... risk of explosion due to low pressure. Risk of explosion is more due to high pressure.
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73 views
1 answer
asked
Sep 7, 2018
by
anonymous
Write function of control rods in nuclear power plant.
Last Answer : Function of control rods in nuclear power plant: The function of control rod is to control the chain reaction in reactor core by adjusting its height.
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78 views
1 answer
asked
Sep 7, 2018
by
anonymous
The capital cost of a power plant depends on (1) Total installed capacity only. (2) Total number of units only. (3) Total installed capacity and number of units as well. (4) Neither the installed capacity nor number of units
Last Answer : The capital cost of a power plant depends on Total installed capacity and number of units as well.
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677 views
1 answer
asked
Apr 30, 2018
by
anonymous
Last Answer : A power plant usally works on Rankine Cycle.
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81 views
1 answer
asked
Mar 26, 2018
by
anonymous
How does electricity get from the power plant to your home?
Last Answer : Electricity gets into my home due to potential diffrence created between the live wire and neutral wire.
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111 views
1 answer
asked
Mar 10, 2018
by
anonymous
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Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, ... system frequency is (A) 50 Hz (B) 51 Hz (C) 51.25 Hz (D) 51.5 Hz
Last Answer : Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, respectively. Then the system frequency is 50 Hz
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114 views
1 answer
asked
Apr 28, 2018
by
anonymous
A 230 V/460 V single-phase transformer operating at 20 A and unity power factor has primary referred resistance of 0.2 Ω and reactance of 0.5 Ω. The approximate primary induced emf is (A) 216 V (B) 226 V (C) 234 V (D) 236 V
Last Answer : A 230 V/460 V single-phase transformer operating at 20 A and unity power factor has primary referred resistance of 0.2 Ω and reactance of 0.5 Ω. The approximate primary induced emf is 226 V
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139 views
1 answer
asked
Apr 28, 2018
by
anonymous
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Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.
Last Answer : Power MOSFET have high turning on and turning off capability high switching speed of MOSFET is due to the high rate of change of drain voltage. The switching losses of power MOSFET ... lower frequency. Hence, operating frequency of power MOSFET is higher than that of power BJT.
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983 views
1 answer
asked
Feb 3, 2018
by
anonymous
How to Uninstall an Operating System ?
Last Answer : How to Uninstall an Operating System Even the most stable operating systems can crash, and suffer from irreparable damage that you may need to uninstall and reinstall them. Some users, though, may like to ... , you can easily remove the old, damaged operating system, and replace it with a new one.
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8 views
1 answer
asked
May 6, 2021
by
anonymous
operating principle of PUT.
Last Answer : Constructional diagram & Operating principle of PUT: The PUT is a PNPN device similar to SCR, but its operation is similar to the UJT. The PUT behave like a UJT whose trigger voltage VP can be set ... low resistance and VAK ≈ 1V). The PUT is also referred to as a complementary SCR (CSCR).
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105 views
1 answer
asked
Oct 13, 2019
by
anonymous
