The overall efficiency of thermal station is

The overall efficiency of thermal station is (1) 40% (2) Less than 40% (3) More than 40% (4) 50%  
by

2 Answers

Answer :

thermal power station efficiency is near about 40% to 50%.
by

Answer :

Less than 40%
by

Related questions

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 

"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% 

Which of the following quantities has the GREATEST influence on the overall efficiency of a conventional (Rankine cycle) electric generating station burning fossil fuels? w) steam temperature at the steam turbine inlet x) net heating value of the fuel y) steam pressure at the steam turbine inlet z) pounds of ash and sulfur per pound of fuel

Description : Which of the following quantities has the GREATEST influence on the overall efficiency of a conventional (Rankine cycle) electric generating station burning fossil fuels? w) steam temperature at the steam turbine ... pressure at the steam turbine inlet z) pounds of ash and sulfur per pound of fuel 

Last Answer : ANSWER: W -- STEAM TEMPERATURE AT THE STEAM TURBINE INLET 

The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called a. net efficiency b. efficiency ratio c. relative efficiency d. overall efficiency

Description : The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called a. net efficiency b. efficiency ratio c. relative efficiency d. overall efficiency

Last Answer : ANSWER c. relative efficiency

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)

Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. (A) 10-15 (B) 25-30 (C) 45-50 (D) 65-70

Description : Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. (A) 10-15 (B) 25-30 (C) 45-50 (D) 65-70

Last Answer : (B) 25-30

What is defined as the ratio of the net electrical power output to the rate of fuel energy input?  A. Combustion efficiency  B. Thermal efficiency  C. Overall efficiency  D. Furnace efficiency

Description : What is defined as the ratio of the net electrical power output to the rate of fuel energy input?  A. Combustion efficiency  B. Thermal efficiency  C. Overall efficiency  D. Furnace efficiency

Last Answer : Overall efficiency

The overall efficiency of Thermal Power Plant is equal to _______________ .

Description : 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. 

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. 

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.

In electronic fuel injection, there is improvement in the _____________ efficiency due to comparatively less resistance in the intake manifolds which will cause less pressure losses. a) mechanical b) volumetric c) overall d) none of the mentioned

Description : In electronic fuel injection, there is improvement in the _____________ efficiency due to comparatively less resistance in the intake manifolds which will cause less pressure losses. a) mechanical b) volumetric c) overall d) none of the mentioned

Last Answer : Answer: b Explanation: In electronic fuel injection, there is improvement only in the volumetric efficiency due to comparatively less resistance in the intake manifolds which will cause less pressure losses and no other efficiencies are hindered.

Overall efficiency of the distillation column is (A) The ratio of number of ideal plates to actual plates (B) The ratio of number of actual plates to ideal plates (C) Same as the Murphree efficiency (D) Always more than the point efficiency

Description : Overall efficiency of the distillation column is (A) The ratio of number of ideal plates to actual plates (B) The ratio of number of actual plates to ideal plates (C) Same as the Murphree efficiency (D) Always more than the point efficiency

Last Answer : (A) The ratio of number of ideal plates to actual plates

Priming in a distillation column (A) Results from very low gas velocity (B) Is desirable from point efficiency consideration (C) Is characterised by the presence of foam throughout the space between trays (D) Reduces the overall pressure drop

Description : Priming in a distillation column (A) Results from very low gas velocity (B) Is desirable from point efficiency consideration (C) Is characterised by the presence of foam throughout the space between trays (D) Reduces the overall pressure drop

Last Answer : (C) Is characterised by the presence of foam throughout the space between trays

If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are: (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are: (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

The overall objective of forensic auditing is to a. Attest to the efficiency with which resources are employed b. Assist members of the organization in the effective discharge of their responsibilities c. Unearth the truth and provide evidence in legal and financial disputes d. Provide assurance that financial data have been accurately recorded

Description : The overall objective of forensic auditing is to a. Attest to the efficiency with which resources are employed b. Assist members of the organization in the effective discharge of their ... in legal and financial disputes d. Provide assurance that financial data have been accurately recorded

Last Answer : Unearth the truth and provide evidence in legal and financial disputes

What is the overall objective of internal auditing? a. To attest to the efficiency with which resources are used. b. Ascertain that the cost of internal control is justified. c. To ascertain that financial statements present accurately the financial positionoperating results, and changes in cashand stockholders' equity.d. To help members of theorganization to effectivelydischarge their responsibilities.

Description : What is the overall objective of internal auditing? a. To attest to the efficiency with which resources are used. b. Ascertain that the cost of internal control is justified. c. To ... and stockholders' equity. d. To help members of the organization to effectively discharge their responsibilities.

Last Answer : To help members of the organization to effectively discharge their responsibilities.

The overall objective of internal auditing is to a. Attest to the efficiency with which resources are employed. b. Ascertain that controls are costs justified. c. Provide assurance that financial data have been accurately recorded. d. Assist members of the organization in the effective discharge of their responsibilities

Description : The overall objective of internal auditing is to a. Attest to the efficiency with which resources are employed. b. Ascertain that controls are costs justified. c. Provide assurance ... accurately recorded. d. Assist members of the organization in the effective discharge of their responsibilities

Last Answer : Assist members of the organization in the effective discharge of their responsibilities

For a reciprocating pump, the indicator diagram is the graph between the (A) Discharge and overall efficiency (B) Volume swept by piston for one complete revolution and the pressure in the cylinder (C) Angle swept by the crank pin at any instant and the discharge (D) None of these

Description : For a reciprocating pump, the indicator diagram is the graph between the (A) Discharge and overall efficiency (B) Volume swept by piston for one complete revolution and the pressure in the cylinder (C) Angle swept by the crank pin at any instant and the discharge (D) None of these

Last Answer : (B) Volume swept by piston for one complete revolution and the pressure in the cylinder

Various efficiencies of a centrifugal pump are related as (where, ηm = mechanical efficiency ηv = volumetric efficiency. ηma = manometric efficiency ηo = overall efficiency) (A) ηma × ηm × ηv = ηo (B) ηm = ηv . ηma (C) ηma = ηm × ηv (D) ηv = ηm × ηma

Description : Various efficiencies of a centrifugal pump are related as (where, ηm = mechanical efficiency ηv = volumetric efficiency. ηma = manometric efficiency ηo = overall efficiency) (A) ηma × ηm × ηv = ηo (B) ηm = ηv . ηma (C) ηma = ηm × ηv (D) ηv = ηm × ηma

Last Answer : (B) ηm = ηv . ηma

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency. (A) Manometric (B) Mechanical (C) Volumetric (D) Overall

Description : In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency. (A) Manometric (B) Mechanical (C) Volumetric (D) Overall

Last Answer : (A) Manometric

Dust collection efficiency of a cyclone separator depends upon its (A) Diameter (B) Inlet gas velocity (C) Overall height (D) All (A), (B) & (C)

Description : Dust collection efficiency of a cyclone separator depends upon its (A) Diameter (B) Inlet gas velocity (C) Overall height (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

In case of a, centrifugal pump, the ratio h1/h2is termed as the __________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller). (A) Mechanical (B) Overall (C) Volumetric (D) Impeller

Description : In case of a, centrifugal pump, the ratio h1/h2is termed as the __________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller). (A) Mechanical (B) Overall (C) Volumetric (D) Impeller

Last Answer : A) Mechanical

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double. (A) Flow output (B) Head developed (C) Overall efficiency (D) Weight

Description : The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double. (A) Flow output (B) Head developed (C) Overall efficiency (D) Weight

Last Answer : Option A

2m combine is operating at 4 kmph with an overall efficiency of 75%. The area covered by in(ha\h) will be: a. 0.4 b. 0.6 c. 0.8 d. 1.0

Description : 2m combine is operating at 4 kmph with an overall efficiency of 75%. The area covered by in(ha\h) will be: a. 0.4 b. 0.6 c. 0.8 d. 1.0

Last Answer : b. 0.6

O & M refers to ____________ A. overall efficiency of business. B. efficiency of office and administrative work. C. office work measurement. D. office and management study.

Description : O & M refers to ____________ A. overall efficiency of business. B. efficiency of office and administrative work. C. office work measurement. D. office and management study.

Last Answer : D. office and management study.

Consider efficiencies of hydro-turbines and generators. If the efficiency of a hydro-turbine is 80% and the efficiency of a generator is 90%, what is the overall efficiency of the unit? w) 85% x) 72% y) 90% z) 70%

Description : Consider efficiencies of hydro-turbines and generators. If the efficiency of a hydro-turbine is 80% and the efficiency of a generator is 90%, what is the overall efficiency of the unit? w) 85% x) 72% y) 90% z) 70% 

Last Answer : ANSWER: X -- 72%

The overall efficiency of steam locomotive is around?

Last Answer : The overall efficiency of steam locomotive is around 5 to 10 percent.

Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the (A) Maximum resistance in the series (B) Sum of all resistances (C) Average of all resistances (D) Minimum resistance presents in the series

Description : Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the (A) Maximum resistance in the series (B) Sum of all resistances (C) Average of all resistances (D) Minimum resistance presents in the series

Last Answer : (B) Sum of all resistances

Rankine cycle efficiency in a good steam power station may be in the range between........ a.15% - 20% b.35% - 40% c.50% - 60% d.90% - 95%

Description : Rankine cycle efficiency in a good steam power station may be in the range between........ a.15% - 20% b.35% - 40% c.50% - 60% d.90% - 95%

Last Answer : b.35% - 40%

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)

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

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.

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

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 :

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

Supercharging of an IC engine is done so that the A. thermal efficiency increases B. power output increases C. speed of the engine increases D. power output decreases

Description : Supercharging of an IC engine is done so that the A. thermal efficiency increases B. power output increases C. speed of the engine increases D. power output decreases

Last Answer : ANSWER : B

An engine produces 10 kW brake power while working with a brake thermal efficiency of 30%. If the calorific value of the fuel used is 40000 kJ/kg, then what is the fuel consumption? (a) 1.5 kg/hour (b) 3 kg/hour (c) 0.3 kg/hour (d) 1 kg/hour

Description : An engine produces 10 kW brake power while working with a brake thermal efficiency of 30%. If the calorific value of the fuel used is 40000 kJ/kg, then what is the fuel consumption? (a) 1.5 kg/hour (b) 3 kg/hour (c) 0.3 kg/hour (d) 1 kg/hour

Last Answer : Ans :b

For same power output and same r, as compared to 2- stroke engines, four stroke SI engines have (a) Higher fuel consumption (b) Lower thermal efficiency (c) Highest exhaust temperatures (d) Higher thermal efficiency

Description : For same power output and same r, as compared to 2- stroke engines, four stroke SI engines have (a) Higher fuel consumption (b) Lower thermal efficiency (c) Highest exhaust temperatures (d) Higher thermal efficiency

Last Answer : Ans :d

Ratio of actual indicated work to hypothetical indicated work in a steam engine is the (a) Indicated thermal efficiency (b) Friction factor (c) Mechanical efficiency (d) Diagram factor

Description : Ratio of actual indicated work to hypothetical indicated work in a steam engine is the (a) Indicated thermal efficiency (b) Friction factor (c) Mechanical efficiency (d) Diagram factor

Last Answer : Ans : d

Thermal efficiency of an internal combustion engine on weak mixture is a. higher b. lower c. unaffected d. unpredictable

Description : Thermal efficiency of an internal combustion engine on weak mixture is a. higher b. lower c. unaffected d. unpredictable

Last Answer : ANSWER a. higher