What are the major electric systems in Thermal Power Plant?

What are the major electric systems in Thermal Power Plant?
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1 Answer

Answer :

Answer: Major electrical equipment in thermal power
plant are
• Turbine Generator
• Exciter System
• Generator Protection System
• Generator Transformer
• HT/LT switch gear
• Electrical Switch-yard
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What are the major electric systems in Thermal Power Plant?

Description : What are the major electric systems in Thermal Power Plant?

Last Answer : Major electrical equipment in thermal power plant are Turbine Generator Exciter System Generator Protection System Generator Transformer HT/LT switch gear Electrical Switch-yard

Which power plant has minimum operating cost? a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Gas Turbine Power Plant Ans: A 42. Which of the following have highest operating cost? a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Solar electric power plant

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Last Answer : Ans: B

At present level of technology, which of the following method of generating electric power from sea is most advantageous? (A) Tidal power. (B) Ocean thermal energy conversion (C) Ocean currents. (D) Wave power.

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Last Answer : Ans: A At present level of technology, tidal power for generating electric power from sea is most advantageous because of constant availability of tidal power.

Which of the following is/are true concerning electric power operated watertight door systems? A. Each motor driven door must use the main bus as its source of power. B. Each distribution panel for the system must be on the lowest level where berthing quarters are located. C. Distribution panels must not be provided with a means of locking in order to permit quick activation of the system. D. Each system must have a separate branch circuit.

Description : Which of the following is/are true concerning electric power operated watertight door systems? A. Each motor driven door must use the main bus as its source of power. B. Each distribution panel for ... to permit quick activation of the system. D. Each system must have a separate branch circuit.

Last Answer : Answer: D

Capacitors can be used in electric distribution systems to improve power factor. This is accomplished by seesawing energy between the capacitor and the _____________. A. generator B. inductive loads C. resistive loads D. all of the above

Description : Capacitors can be used in electric distribution systems to improve power factor. This is accomplished by seesawing energy between the capacitor and the _____________. A. generator B. inductive loads C. resistive loads D. all of the above

Last Answer : Answer: B

The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the (A) Fuel cost per unit power generated is less (B) Thermal efficiency of the former is higher (C) Maintenance cost of the former is less (D) None of these

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Last Answer : (A) Fuel cost per unit power generated is less

Which of the following station is least efficient........ A.Nuclear power plant B.Diesel power station C.Thermal power station D.None of the above

Description : Which of the following station is least efficient........ A.Nuclear power plant B.Diesel power station C.Thermal power station D.None of the above

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Which of the following power plant have longest physical life? a) Thermal power plant b) Nuclear power plant c) Hydroelectric power plant d) Diesel power plant

Description : Which of the following power plant have longest physical life? a) Thermal power plant b) Nuclear power plant c) Hydroelectric power plant d) Diesel power plant

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The efficiency of a thermal power plant improves with (A) increased quantity of coal burnt (B) larger quantity of water used (C) lower load in the plant (D) use of high steam pressures.

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What are different types of circuit breakers employed in thermal power plant?

Description : What are different types of circuit breakers employed in thermal power plant?

Last Answer : Answer: For low voltage operation 415/220V vacuum circuit breakers or air break circuit breakers are employed. For voltage ratings about 6.6kV and beyond SF6 circuit breakers are employed.

How Generator Transformer is cooled in Thermal Power Plant?

Description : How Generator Transformer is cooled in Thermal Power Plant?

Last Answer : Answer: MVA power rating of the Generator Transformer will be equal to the alternator. Hence lot of heat will be generated while generator transformer is under operation. Oil Forced Air Forced (OFAF) type of cooling is employed for generator transformer

What is the largest pump in the thermal power plant?

Description : What is the largest pump in the thermal power plant?

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What are different types of circuit breakers employed in thermal power plant?

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How Generator Transformer is cooled in Thermal Power Plant?

Description : How Generator Transformer is cooled in Thermal Power Plant?

Last Answer : MVA power rating of the Generator Transformer will be equal to the alternator. Hence lot of heat will be generated while generator transformer is under operation. Oil Forced Air Forced (OFAF) type of cooling is employed for generator transformer

Why the Thermal efficiency of the steam power plant is quite low?

Description : Why the Thermal efficiency of the steam power plant is quite low?

Last Answer : In Steam power station, more than 50% of the total heat of combustion is lost as heat rejected to the condenser and the loss is unavoidable as the heat energy cannot be converted in to mechanical ... lowest temperature. This is the reason that the thermal efficiency of the power plant is quite low.

What is the overall efficiency of the Thermal Power Plant or Steam Power Plant?

Description : What is the overall efficiency of the Thermal Power Plant or Steam Power Plant?

Last Answer : Overall efficiency of the system is defined as the ratio of heat equivalent of electrical output to the heat of combustion. Generally Overall efficiency of the steam plant will always be ... by multiplying the thermal efficiency of the plant with efficiency of the generator (electrical efficiency)

What is the Thermal efficiency of steam power plant?

Description : What is the Thermal efficiency of steam power plant?

Last Answer : Thermal efficiency of steam power plant is defined as the ratio of heat equivalent of mechanical energy transmitted to the turbine shaft to the heat of combustion. Generally Thermal efficiency of the steam power plant will be in the range of 30-35%

What are the main circuits in the Thermal Power Plant?

Description : What are the main circuits in the Thermal Power Plant?

Last Answer : Thermal Power plant consists of four main circuits, they are: Feed water and steam flow circuit Coal and ash circuit Air and gas circuit Cooling water circuit

DC Motors Application in Thermal Power Plant

Description : DC Motors Application in Thermal Power Plant

Last Answer : In thermal power plants dc motors are employed for certain control and critical emergency operations which are supplied by dedicated batteries. DC motors operate as backup drives for normal ac drive systems ... for efficient cooling) from the casing by providing a tight seal with high pressure oil.

Explain the working of thermal power plant.

Description : Explain the working of thermal power plant.

Last Answer : It uses coal as the primary fuel to boil the water available to superheated steam for driving the steam turbine. The steam turbine is then mechanically coupled to an alternator rotor, the rotation of which results in the generation of electric power.

The cost of fuel transportation is maxmimun in........ A.Hydro-electric power plant B.Steam power plant C.Nuclear power plant D.90% - 95%

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On what factors efficiency (thermal) of the steam plant depends?

Description : On what factors efficiency (thermal) of the steam plant depends?

Last Answer : Efficiency of the thermal plant depends on three factors, they are pressure of steam entering the turbine temperature of the steam entering the turbine pressure in the condenser Thermal efficiency ... as low as possible. Thermal efficiency also increases by reheating the steam between turbine stages

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In which of the electric power generation system, the operating cost is minimum? (A) Thermal (B) Nuclear (C) Hydroelectric (D) Fast breeder reactor

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supercritical boiler are use of………….. A. Thermal power. B. Electric power C. Solar power. D. Steam power

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Steam pressures usually used in thermal power plants are (A) 5 kg/cm2 to 10 kg / cm2 (B) 50 kg/cm2 to 100 kg / cm2 (C) 110 kg/cm2 to 170 kg / cm2 (D) 200 kg/cm2 to 215 kg / cm2

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What are the different Generator Protections employed in Thermal Power Plants?

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What are different types of Steam boilers used in Thermal Power Plants?

Description : What are different types of Steam boilers used in Thermal Power Plants?

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What are the different Generator Protections employed in Thermal Power Plants?

Description : What are the different Generator Protections employed in Thermal Power Plants?

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Why Thermal Power Plants are always situated by the side of rivers or lakes?

Description : Why Thermal Power Plants are always situated by the side of rivers or lakes?

Last Answer : Thermal Power Plants are situated close to the rivers or lakes because to meet the large quantity of the water requirement. Water is required in the steam power plants steam in the boiler for cooling purposes such as in condensers as carrying medium such as in disposal of ash for drinking purpose

Operation carried out in Thermal power station?

Description : Operation carried out in Thermal power station?

Last Answer : The water is obtained in the boiler and the coal is burnt so that steam is obtained this steam is allowed to hit the turbine; the turbine which is coupled with the generator generates the electricity

What are the operation carried out in Thermal power station?

Description : What are the operation carried out in Thermal power station?

Last Answer : A: The water is obtained in the boiler and the coal is burnt so that steam is obtained this steam is allowed to hit the turbine, the turbine which is coupled with the generator generates the electricity

Operation Carried Out In Thermal Power Stations?

Description : Operation Carried Out In Thermal Power Stations?

Last Answer : The water is obtained in the boiler and the coal is burnt so that steam is obtained this steam is allowed to hit the turbine , the turbine which is coupled with the generator generates the electricity.

Describe the operation carried out in Thermal power stations?

Description : Describe the operation carried out in Thermal power stations?

Last Answer : A:The water is boiled in the boiler with the help of coal. This generates steam. This steam is allowed to hit the turbine hence the turbine rotates. The turbine is coupled with generator. So the mechanical energy of turbine is converted to electrical energy by Generator.

Define draught, what is the use of draught in thermal power plants?

Description : Define draught, what is the use of draught in thermal power plants?

Last Answer : Draught is defined as a small pressure difference required between the fuel bed (furnace) and outside air to maintain constant flow of air and to discharge the gases through chimney to the atmosphere. ... combustion products through the system. · To remove burnt products from the system

What are different types of Steam boilers used in Thermal Power Plants?

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Last Answer : Different type of boiler used in thermal power plants are: Fire tube boiler Water tube boiler Natural Circulation boiler Forced Circulation boiler Once through boiler

Name the four major circuits in steam power plant.

Description : Name the four major circuits in steam power plant.

Last Answer : • Coal and ash circuit • Air and flue gas circuit • Feed water and steam circuit • Cooling water circuit

Locate and label the following items on the same map with appropriate symbols. (i) Thermal Power Station - Tuticorin (ii) Cotton Textile Centre - Surat (iii) Major Port - Kandla -SST 10th

Description : Locate and label the following items on the same map with appropriate symbols. (i) Thermal Power Station - Tuticorin (ii) Cotton Textile Centre - Surat (iii) Major Port - Kandla -SST 10th

Last Answer : Outline map of India

The major thermal power station fed on natural gas is at (a) Lunej (b) Trombay (c) Naharkatiya (d) Digboi

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Last Answer : Ans: (c)

Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2

Description : Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2

Last Answer : (4) SO2 Explanation: A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air ... CO2) and water vapor as well as nitrogen and excess oxygen remaining from the intake combustion air.

The major source of the pollutant gas, carbon mono-oxide (CO), in urban areas is (A) Thermal power sector (B) Transport sector (C) Industrial sector (D) Domestic sector

Description : The major source of the pollutant gas, carbon mono-oxide (CO), in urban areas is (A) Thermal power sector (B) Transport sector (C) Industrial sector (D) Domestic sector

Last Answer : (B) Transport sector

Major gaseous pollutant of the thermal power station is (1) H2 S (2) NH3 (3) NO2 (4) SO2

Description : Major gaseous pollutant of the thermal power station is (1) H2 S (2) NH3 (3) NO2 (4) SO2

Last Answer : SO2

By which of the following systems electric power may be transmitted ? (a) Overhead system (b) Underground system (c) Both (a) and (b) (d) None of the above

Description : By which of the following systems electric power may be transmitted ? (a) Overhead system (b) Underground system (c) Both (a) and (b) (d) None of the above

Last Answer : (c) Both (a) and (b)

By which of the following systems electric power may be transmitted ? (a) Overhead system (b) Underground system (c) Both (a) and (b) (d) None of the above

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Last Answer : (c) Both (a) and (b)

According to Coast Guard Regulation (46 CFR) for emergency power and lighting systems, which of the listed items is the only permissible starting aid for the emergency diesel generator engine? A. Ether B. Lube oil heater C. Jacket water heater D. Fuel oil heater

Description : According to Coast Guard Regulation (46 CFR) for emergency power and lighting systems, which of the listed items is the only permissible starting aid for the emergency diesel generator engine? A. Ether B. Lube oil heater C. Jacket water heater D. Fuel oil heater

Last Answer : Answer: C

According to Coast Guard Regulations (46 CFR), which of the following systems must be arranged so as to be energized by the final emergency power source? A. at least one light in the steering gear room B. each power operated watertight door system C. each charging panel for temporary emergency batteries D. all of the above

Description : According to Coast Guard Regulations (46 CFR), which of the following systems must be arranged so as to be energized by the final emergency power source? A. at least one light in the ... operated watertight door system C. each charging panel for temporary emergency batteries D. all of the above

Last Answer : Answer: D