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

 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

Last Answer : Ans: C

Which of the following plant is having lowest load factor? a) Diesel Plant b) Pumped storage Plant c) Thermal Plant d) Nuclear Plant

Description : Which of the following plant is having lowest load factor? a) Diesel Plant b) Pumped storage Plant c) Thermal Plant d) Nuclear Plant

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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

Description : 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 ... a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Solar electric power plant

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Which of the following is least efficient?  a. Gas turbine  b. Diesel engine  c. Carnot engine  d. Gasoline engine

Description : Which of the following is least efficient?  a. Gas turbine  b. Diesel engine  c. Carnot engine  d. Gasoline engine

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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

Which of the following has the least thermal efficiency? (A) Steam engine (B) Carnot engine (C) Diesel engine (D) Otto engine

Description : Which of the following has the least thermal efficiency? (A) Steam engine (B) Carnot engine (C) Diesel engine (D) Otto engine

Last Answer : A) Steam engine

Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Description : Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Last Answer : (B) Pulverised coking coal

Using illustrated chart, when will the power factor be least efficient? EL-0006 A. When the motor is operating at full load. B. When the percentage of slip is greatest. C. When there is no load on the motor. D. the power factor is the same from no-load to locked rotor.

Description : Using illustrated chart, when will the power factor be least efficient? EL-0006 A. When the motor is operating at full load. B. When the percentage of slip is greatest. C. When there is no load on the motor. D. the power factor is the same from no-load to locked rotor.

Last Answer : Answer: C

State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.

Description : 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.

Most efficient and suitable dust removal equipment for removal of fly￾ash from flue gas in a thermal power plant is the (A) Gravity settling chamber (B) Cyclone separator (C) Electrostatic precipitator (D) Bag filter

Description : Most efficient and suitable dust removal equipment for removal of fly￾ash from flue gas in a thermal power plant is the (A) Gravity settling chamber (B) Cyclone separator (C) Electrostatic precipitator (D) Bag filter

Last Answer : (C) Electrostatic precipitator

The standard procedure for maintaining the charge in an emergency diesel starting battery is to trickle charge the battery _____________. A. continuously B. at least once each week C. whenever the charge falls to 75% of full charge D. whenever the electrolyte specific gravity falls to 1.250 or lower

Description : The standard procedure for maintaining the charge in an emergency diesel starting battery is to trickle charge the battery _____________. A. continuously B. at least once each week C. whenever the charge falls to 75% of full charge D. whenever the electrolyte specific gravity falls to 1.250 or lower

Last Answer : Answer: A

Batteries used for diesel engine starting should __________. A. be located in a locker on the weather deck B. be located as close as possible to the engine C. have sufficient capacity to provide at least 50 starts consecutively without recharging D. only be of the nickel alkaline type

Description : Batteries used for diesel engine starting should __________. A. be located in a locker on the weather deck B. be located as close as possible to the engine C. have sufficient capacity to provide at least 50 starts consecutively without recharging D. only be of the nickel alkaline type

Last Answer : Answer: B

Locate and label the following items on the same map with appropriate symbols. (i) Kaiga : Nuclear Power Station (ii) Bhilai Steel Plant (iii) Raja Sansi Airport Amritsar -SST 10th

Description : Locate and label the following items on the same map with appropriate symbols. (i) Kaiga : Nuclear Power Station (ii) Bhilai Steel Plant (iii) Raja Sansi Airport Amritsar -SST 10th

Last Answer : outline map of India

In hydel power station, the motion produced in turbines is due to – (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Description : In hydel power station, the motion produced in turbines is due to – (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Last Answer : (1) flow of water Explanation: A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Hydroelectric power comes from water at work, water in motion. To generate electricity, water must be in motion. This is kinetic (moving) energy.

In hydel power station, the motion produced in turbines is due to (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Description : In hydel power station, the motion produced in turbines is due to (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Last Answer : flow of water

Applications of Diesel power station

Description : Applications of Diesel power station

Last Answer : Applications of Diesel Power Station:  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 ... 10. Diesel plants are widely used for generating power ranging from 100 to 5,000 H.P. 

List out main components of Diesel power station.

Description : List out main components of Diesel power station. 

Last Answer : Main components of Diesel power station: 1) Diesel Engine 2) Engine Air intake system 3) Engine Fuel System 4) Engine Exhaust system 5) Engine cooling system 6) Engine Lubricating system 7) Engine Starting system 8) Diesel Engine Generator (Alternator) 

State the functions of fuel system and exhaust system of a diesel power station.

Description : State the functions of fuel system and exhaust system of a diesel power station.

Last Answer : Fuel system: It supplies fuel to engine for combustion purpose. It consists of Fuel Pump: - It supplies fuel to engine for combustion purpose. Strainer: - Are provided to remove suspended impurities and ... most of the noise. Chimney:- To exhaust gases in the atmosphere as high as possible. 

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

Description : 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

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

Hyperbolic cooling towers used in a) Coal-fired power plant b) Nuclear plants c) Thermal power plant d) All of these

Description : Hyperbolic cooling towers used in a) Coal-fired power plant b) Nuclear plants c) Thermal power plant d) All of these

Last Answer : d) All of these

The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Description : The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Last Answer : ANSWER: Y -- COOLING TOWER

What are the differences between a coal based thermal plant and a nuclear power plant?

Description : What are the differences between a coal based thermal plant and a nuclear power plant?

Last Answer : Coal  based  power  plant  uses  burnt  coal  to  produce  heat  energy  to  heat  up  water  to  run  turbines  while  nuclear  power  plant  uses  heat energy  produced   from  nuclei  undergoing  fussion  or  fission  to  heat  water  to  run  the  turbines.

List any four applications of diesel power plant.

Description : List any four applications of diesel power plant.

Last Answer : 1. Used as peak load plants 2. Suitable for mobile plants 3. Used as standby units 4. Used as emergency plant

List the components of diesel power plant.

Description : List the components of diesel power plant.

Last Answer : 1.Diesel engine 2. Air intake system 3. Exhaust system 4. Fuel system 5. Cooling system 6. Lubricating system 7. Starting of engine

Maximum soot is released from (A) Petrol vehicles (B) CNG vehicles (C) Diesel vehicles (D) Thermal Power Plants

Description : Maximum soot is released from (A) Petrol vehicles (B) CNG vehicles (C) Diesel vehicles (D) Thermal Power Plants

Last Answer : (D) Thermal Power Plants

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

Which of the following pairs are correctly matched? 1. Idukki Thermal power station 2. Sabarigiri Hydroelectric project 3. Ghatprabha Irrigation project 4. Ramganga Multipurpose project Select the correct answer by using the codes given below: Codes: (a) 2, 3 and 4 (b) 1, 2, 3 and 4 (c) 3 and 4 (d) 1 and 2

Description : Which of the following pairs are correctly matched? 1. Idukki Thermal power station 2. Sabarigiri Hydroelectric project 3. Ghatprabha Irrigation project 4. Ramganga Multipurpose project Select the correct answer by using the codes given below: Codes ... 4 (b) 1, 2, 3 and 4 (c) 3 and 4 (d) 1 and 2

Last Answer : Ans: (a)

The Talcher Thermal Power Station is in (a) Odisha (b) Maharashtra (c) West Bengal (d) Meghalaya

Description : The Talcher Thermal Power Station is in (a) Odisha (b) Maharashtra (c) West Bengal (d) Meghalaya

Last Answer : Ans: (a)

The Satpura Thermal Power Station is in (a) Uttar Pradesh (b) Jammu and Kashmir (c) Madhya Pradesh (d) Maharashtra

Description : The Satpura Thermal Power Station is in (a) Uttar Pradesh (b) Jammu and Kashmir (c) Madhya Pradesh (d) Maharashtra

Last Answer : Ans: (c)

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

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

Last Answer : Ans: (c)

The 'Pacific ring of fire ' is associated with : (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The 'Pacific ring of fire ' is associated with : (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : (3) volcanoes and earthquakes Explanation: Pacific ring of fire is an area where a large number of earthquakes and voicanic eruptions occur in the basin of the Pacific ocean.

The 'Pacific Ring of Fire' is associated with – (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The 'Pacific Ring of Fire' is associated with – (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : (3) volcanoes and earthquakes Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40,000 km ... of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

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.

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

The ‘Pacific Ring of Fire’ is associated with (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The ‘Pacific Ring of Fire’ is associated with (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : volcanoes and earthquakes

List any two Thermal Power Station in Maharashtra with their installed capacity.

Description : List any two Thermal Power Station in Maharashtra with their installed capacity. 

Last Answer :  Thermal Power Station in Maharashtra with their installed capacity :

Classify condensers used in thermal power station. Explain each type in brief.

Description : Classify condensers used in thermal power station. Explain each type in brief. 

Last Answer : Types of condenser: Classification: 1. Jet Condenser (Mixing Type) 2. Surface condenser (non Mixing type)  Explanation:-   1. Jet Condenser (Mixing Type) In Jet condenser the steam ... there in no direct contact between the steam and cooling water. This condensate is reused in boiler. 

"Efficiency of thermal power station is low". — Justify.

Description : "Efficiency of thermal power station is low". — Justify. 

Last Answer : Justification: Efficiency of thermal power station is low":- Overall efficiency of T.P.P depends upon efficiency of boiler, turbine and alternator. The heat produced due to combustion of coal ... losses in thermal power plant is 71%, So efficiency of thermal power plant is less about 29% 

State the function of cooling tower and condenser in thermal power station.

Description : State the function of cooling tower and condenser in thermal power station.

Last Answer : 1. Condenser:   Function of condenser is to convert exhaust steam again into water by reducing its temperature with the help of cold water. Also it reduces back pressure of steam turbine 2 ... tower : The function of cooling tower is to reduce the temperature of water coming from condenser.

State any four factors governing Selection of site for thermal power station.

Description : State any four factors governing Selection of site for thermal power station. 

Last Answer : Following Factors are to be considered:- 1. It should locate near coal mine. 2. Sufficient quantity of water should be available. 3. Sufficient large space should be available. 4. It should be located ... laws of the land and the town planning. 14. The interests of national defense must be served.

Overall thermal efficiency of a steam power station in India is in the range:

Description :  Overall thermal efficiency of a steam power station in India is in the range: A) 18-24 percent B) 30-40 percent C) 44-62 percent D) 68-79 percent

Last Answer :  Overall thermal efficiency of a steam power station in India is in the range: 30-40 percent 

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.

Description : 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.

Last Answer : Ans: D

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 are the major electric systems in Thermal Power Plant?

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

Last 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

What is the largest pump in the thermal power plant?

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

Last Answer : Answer: In thermal power plant Boiler Feed Pump (BFP) is the largest pump, it delivers the water to the boiler.

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 : 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 : 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 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