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
What is the meaning of the word hydroelectric power?
Last Answer : Hydro means water, hydroelectric mean electricity generated from water.
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109 views
1 answer
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
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
State the purpose of surge tank and spill way in hydroelectric power station.
Last Answer : Surge tank :- A surge tank is the small reservoir or tank. It is open at the top. It is installed near Vale house of turbine. It avoids water hammer effect when load on turbine reduces. (It ... ; during floods etc. In this way spill way avoids damage of dam due to excess pressure of water.
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92 views
1 answer
asked
Sep 8, 2018
by
anonymous
In hydroelectric power plants (1) both operating and initial cost are high (2) both operating and initial cost are low (3) operating cost is low and initial cost is high (4) operating cost is high and initial cost is low
Last Answer : In hydroelectric power plants operating cost is low and initial cost is high
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80 views
1 answer
asked
Apr 29, 2018
by
anonymous
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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
State two advantages of interconnection of power stations.
Last Answer : 1) Due to interconnection it is possible of wheeling of electricity instantly. 2) The reliability and continuity of the supply is improved with interconnected grid system. With fault ... interconnection, there is optimum utilization of available natural recourses in the country is possible.
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65 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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98 views
1 answer
asked
Aug 2, 2019
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 down any two advantages of nuclear power station.
Last Answer : Advantages of nuclear power station :- 1) Fuel required: Fuel requirment of Nuclear Power Plant is less than Thermal Power Plant. So it reduces transportation cost of fuel and space required for fuel storage ... By use of nuclear fuel.,it saves the other fossile fuels like-coal, gas, oil, etc.
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107 views
2 answers
asked
Sep 7, 2018
by
anonymous
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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
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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
47 views
0 answers
asked
Jan 11, 2020
by
anonymous
State the advantages of use of high voltage in transmission of Electric power.
Last Answer : Advantages: 1. As Transmission voltage increases, current decreases. 2. As current decreases, cross section of conductor decreases. 3. As cross section of conductor decreases, its ... high voltage transmission line, successful interconnection of transmission line is possible than low voltage.
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94 views
1 answer
asked
May 22, 2020
by
anonymous
Are there any advantages to PVC windows?
Last Answer : Have you decided to change your windows to new ones and don't know where to start? Let's start with the fact that windows are a very important part of any house or apartment, thanks to ... Another thing you need to pay attention to when ordering is that the profile must meet all quality standards.
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7 views
1 answer
asked
Mar 30, 2021
by
anonymous
What are the advantages of LED lamps?
Last Answer : What are the advantages of LED lamps? LED lamps have an advantage over fluorescent lamps in the first place in terms of environmental friendliness. Another reason for using LED lamps is ... advantages. Today, such lamps are used in everyday life, for industrial lighting and street lighting.
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14 views
1 answer
asked
Mar 29, 2021
by
anonymous
State the four advantages of MIG welding.
Last Answer : Four advantages of MIG welding: 1. High quality welds can be produced much faster. 2. Flux is not used there is no chance for the entrapment of slag in the weld metal resulting in high quality ... of metals and alloys. 5. Least expensive and highly economic. 6. Little or no post welds cleaning.
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75 views
1 answer
asked
Jan 2, 2021
by
anonymous
State 2 advantages of JFET over BJT.
Last Answer : Advantages of JFET over BJT: 1) High input impedance 2) Better thermal stability 3) Produce less noise 4) Smaller than BJT 5) Rugged in construction and simpler to fabricate 6) High degree of isolation between Input and Output.
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235 views
1 answer
asked
Jun 24, 2020
by
anonymous
Advantages of LED over CFL.
Last Answer : Advantages of LED over CFL. 1) Efficiency: LED bulbs use close to a third of the amount of power CFL bulbs would use to produce the same amount of light. This makes them ... decorative to heavy duty industrial applications. 6) Maintenance: Smooth light and low maintenance compared to CFL
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79 views
1 answer
asked
May 27, 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
State the advantages of SMPS.
Last Answer : Advantages of SMPS: 1. High Efficiency, more than 94%. 2. Easy maintenance and servicing. 3. High modularity and redundancy. 4. Lower power dissipation. 5. Wide AC input voltage range. 6. Less cost.
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73 views
1 answer
asked
May 21, 2020
by
anonymous
State any two advantages of MCB over Fuse. State the standard specifications of MCB available in the market.
Last Answer : Following advantages of MCB over Fuse: 1. No need of replacement of fuse wire. 2. Manually restore of supply is simple. 3. Fault understanding by visual inspection 4. More safe than fuse The standard specifications of ... 6A, 10A,16A,20A, 25A, 30A, 32A, 40A, 50A, 60A and 63A 6. 250V and 450 v
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194 views
1 answer
asked
May 7, 2020
by
anonymous
State advantages of rotating field type alternators.
Last Answer : Advantages of Rotating Field Type Alternator: 1) For high-voltage alternator, large space is required to accommodate conductors with insulation, as high voltage is induced in them. If field poles are placed ... is kept rotating. 8) Rotating field is comparatively light and can run with high speed.
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143 views
1 answer
asked
May 7, 2020
by
anonymous
State advantages of short pitch winding over full pitch winding in alternators.
Last Answer : Advantages of Short Pitch Winding over Full Pitch Winding in Alternators: 1) Short pitching reduces the amount of copper needed for end connection when compared with full pitched coil. 2) They ... reduced, thereby increasing the efficiency. 4) The power quality of generated emf is improved.
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478 views
1 answer
asked
May 7, 2020
by
anonymous
State the advantages of cogeneration.
Last Answer : Advantages of co-generation: 1) Co-generation can meet both power & heat requirements. 2) Less cost than conventional generation. 3) Higher system efficiency due to energy wastage is highly ... reduces due to cogeneration plant is located in same premises. 10) It can maintain grid stability
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99 views
1 answer
asked
May 3, 2020
by
anonymous
State advantages of MOSFET.
Last Answer : Advantages of MOSFET * MOSFETs provide greater efficiency while operating at lower voltages. * Absence of gate current results in high input impedance. * High switching speed. * They operate at lower ... due to lower resistance of channel. * They are easy to manufacture. * They are portable.
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105 views
1 answer
asked
May 2, 2020
by
anonymous
What do you mean by active filter? State its advantages over passive filter . Define pass band & stop band with respect to filter.
Last Answer : Active Filter: Active Filter is formed by using active element along with the passive components. Advantages of Active filter over Passive filter: High value of pass band gain can be obtained. It is ... pass band. Stop Band Filter: The frequency range which is attenuated is known as stop band.
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124 views
1 answer
asked
May 2, 2020
by
anonymous
How GTO is advantages over SCR
Last Answer : i) It is turned-off by negative gate pulse. ii) No commutation circuit required, reducing the cost, size, weight and volume of the circuit. iii) As commutation choke is not used, the associated acoustic ... turn off time permits high switching frequency. v) It has higher di/dt rating at turn-off.
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713 views
1 answer
asked
Oct 13, 2019
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
Enlist the advantages of Microcontroller
Last Answer : Advantages of microcontrollers: It is an integrated chip with all valuable components including RAM, ROM, I/O Ports. Cost reducing programs with simple circuitry. Inbuilt timers / ... Microcontrollers are cheap and very small in size. Programming of Microcontrollers is simple to learn
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74 views
1 answer
asked
Aug 10, 2019
by
anonymous
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
State two advantages of digital system over analog system.
Last Answer : 1. They are less susceptible to noise. 2. The effect of fluctuation in the characteristic of the components, ageing of components etc. is very small in digital circuits. 3. Digital circuits have capability of memory which makes them suitable for computers. 4. More accurate.
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128 views
1 answer
asked
Jul 31, 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
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List advantages and applications of PLC.
Last Answer : The advantages of PLC are as follows: 1. Flexible in Nature: One model of PLC can be used for different operations as per requirement. 2. Easy to install and troubleshooting: In hard ... 1.Continuous bottle filling system 2.Batch mixing system 3.stage air conditioning system 4.Traffic control
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130 views
2 answers
asked
Jul 21, 2019
by
anonymous
State any four advantages of soft starter.
Last Answer : Advantages of soft starter: 1. Very low line voltage drops on motor operation 2. Reduced energy losses in the lines 3. System efficiency increases 4. Very smooth starting & operation 5. As ... may lead to lower MD billing. 13. Less mechanical maintenance. 14. Saving in operating costs.
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127 views
1 answer
asked
Sep 23, 2018
by
anonymous
Explain any four advantages of amorphous transformer.
Last Answer : Advantages of amorphous core transformer: 1) Lowest hysteresis loss. 2) Low eddy current loss. 3) Low temperature rise. 4) Up to 75% energy saving using amorphous metal than conventional metal. 5 ... capacity. 9) High Reliability. 10) Excellent short circuit capacity. 11) Less maintenance cost.
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148 views
1 answer
asked
Sep 22, 2018
by
anonymous
Write any four advantages of hydropower plant.
Last Answer : Advantages of hydropower plant: 1. There is no air pollution and other environmental problems. 2. The material means of power generation (water) is available freely. 3. No fuel transportation cost so; hence there ... of a Thermal / Nuclear /Diesel Power P. 19. It is very neat & clean plant.
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65 views
1 answer
asked
Sep 8, 2018
by
anonymous
State any four advantages of wind energy.
Last Answer : Advantages of wind energy system: 1. Wind input (energy) is freely available 2. Wind energy is inexhaustible 3. There is no air pollution 4. No fuel transportation cost. 5. No space is required to store ... cost per unit is less and is goes on decreasing day by day. 15. Maintenance cost is less.
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89 views
1 answer
asked
Sep 8, 2018
by
anonymous
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State any four advantages of interconnected system.
Last Answer : Advantages of interconnected Systems: i) Reduced Overall installed Capacity: Inter connected power systems reduce the overall requirement of installed capacity for a given load area. With ... to interconnection, there is optimum utilization of available natural resources in the country.
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60 views
1 answer
asked
Sep 7, 2018
by
anonymous
Give examples of different types of fuels. Also state any two advantages of liquid fuels over solid fuels.
Last Answer : Examples of different types of fuels:- 1. Indian Coal : It contain 30 to 40 % ash but sulphur content is less than 1%.. 2. Imported coal: It contents low ash about 10% but sulphur ... can be controlled to match the load requirements. 13. Rapid and efficient starting of the boilers from cold.
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76 views
1 answer
asked
Sep 7, 2018
by
anonymous
Write any four advantages of instrument transformer.
Last Answer : Advantages of instrument transformer: 1. Extension of instrument range is possible. 2. Isolation of instruments from high voltage side. 3. Power loss is less as compared to shunts and multipliers. 4 ... measurement. 5. It is economical method of range extension. 6. Increases in safety of operator.
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183 views
1 answer
asked
Sep 6, 2018
by
anonymous
State the advantages of instrument transformer in using for extension of range of meters.
Last Answer : Advantages of instrument transformer: 1. Extension of instrument range is possible. 2. Isolation of instruments from high voltage side. 3. Power loss is less as compared to shunts and multipliers. 4 ... measurement. 5. It is economical method of range extension. 6. Increases in safety of operator.
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73 views
1 answer
asked
Sep 6, 2018
by
anonymous
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Write any two advantages of digital energy meter.
Last Answer : Advantages of Digital Energy Meter: 1) Easy to read. 2) High accuracy 3) High resolution. 4) No frictional losses as there are no moving parts. 5) No requirement for external adjustments. 6) Large ... due to absence of moving parts. 7) Highly efficient. 8) Very much compact. 9) Good reliability.
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91 views
1 answer
asked
Sep 5, 2018
by
anonymous
Write any two advantages of MI type instrument.
Last Answer : Advantages of MI Type Instrument: 1. These are robust in construction. 2. Used for both A.C. as well as D.C. measurements. 3. These are economical. 4. These possess high operating torque 5. These are simple in construction hence can be easily handled.
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89 views
1 answer
asked
Sep 5, 2018
by
anonymous
