Question 3 In a steam power plant the boiler Chegg com

UNIT 61: ENGINEERING THERMODYNAMICS

1. A steam power plant uses the Carnot cycle. The boiler puts 25 kW of heat into the cycle and produces wet steam at 300oC. The condenser produces wet steam at 50oC. Calculate the following. i. The efficiency of the plant. (43.6%) ii. The net power 2.

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[Solved] Economizer in boiler

Preheating a fluid (feed-water in case of steam boiler) Increases the efficiency of the power plant Following are the advantages: There is about 15 to 20% of coal saving. It increases the steam-raising capacity of a boiler because it shortens the time required to

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The pressure in the boiler of a steam power plant | Chegg.com

Question: The pressure in the boiler of a steam power plant operating on the ideal Rankine cycle is 1250 psia. The condenser pressure is 2 psia. The mass flow rate of steam through the system is 75 lbm/s and the quality of the steam at the turbine exit is 0.9.

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Steam boiler objective questions (mcq) and answers

>Steam Boiler >Steam Engine >Steam Turbine >Thermodynamics Power Plant >Thermal Power Plant >Nuclear Power Plant >Hydro Electric Power Plant MCQ Mecahanical Engineering Electrical Engineering Electronics Engineering Civil Engineering

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2. In a steam power plant, the steam is generated | Chegg.com

2021/5/2 · In a steam power plant, the steam is generated from the Boiler, and a throttling valve is used to control the flow of steam to the turbine as shown schematically in Figure 2. At first, the steam enters into the throttling valve with pressure and temperature of 6 MPa and 500 °C, respectively (point 1), and leaves at the pressure of 3 MPa (point 2).

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In a steam power plant 1.1 MW is added in the boiler, | Chegg.com

Question: In a steam power plant 1.1 MW is added in the boiler, 0.5 MW is taken out from the condenser, the promp worden the turbine work output and the plant's thermal efficiency. If everything could be reversed, find the COP [5]

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Question 4 Steam plant [32] The following data was | Chegg.com

Question: Question 4 Steam plant [32] The following data was given for a steam power plant operating on the ideal reheat Rankine cycle 3-4 Inlet steam at 17.5 MPa and 600 °C 6-1 inlet steam at a pressure of 11.16 kPa at a wetness fraction of 0.1 At state 1, the specific volume is 0.00101 mºg Date High-P turbine Low.p turbine Reheater Boiler P

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Best 25 question and answer for boiler first and second class operator viva examination 2017 - ASKPOWERPLANT - Power Plant Engineering And Power

2017/9/10 · Best 25 question and answer for boiler first and second class operator viva examination 2017 :- Q.1 what is boiler? Ans. According the boiler rule act 1923 " boiler is a closed vessel exceeding 22.75 liters in capacity which is used expressly for generation of steam under pressure and including …

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Test: Introduction to Power Plant & Steam Cycle - 1 | 20 Questions …

D. Solution: QUESTION: 6. In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 MPa, 350°C and exits at a pressure of 15 kPa. Then it enters the condenser and exits as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is …

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Steam boiler objective questions (mcq) and answers

Steam boiler | Steam boiler Objective Type Questions and answers. 31. Then biggest loss in the boiler is.. A. Moisture in fuel. B. Dry in flue gases. C. Steam formation. D. Unburnt carbon. View Answer.

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300+ REAL TIME THERMAL POWER PLANT MCQs & Answers - Engineering Interview Questions…

THERMAL POWER PLANT Multiple Choice Questions :-1. in steam power plant which of the following component needs more maintenance: a) Condenser b) Boiler c) Turbine d) Coal carrying system Ans: b 2. The pH value of the water used in boiler is: a) Unity b) 7

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In a steam power plant operating on the ideal regenerative …

Question – 2. In a steam power plant operating on the ideal regenerative Rankine cycle with one closed FWH, steam enters the turbine at 3 MPa, 400 o C and is condensed in the condenser at a pressure of 10 kPa. Some quantity of steam is extracted from the turbine at a pressure of 0.6 MPa and enters the closed FWH and fed by a pump to the mixing chamber which is between boiler & closed FWH.

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[Solved] Question 2 In a steam plant, the steam leaves the boiler …

Question 2 In a steam plant, the steam leaves the boiler at 2.0 MN/m and at a temperature of 250 °C. it is then expanded in an engine and finally exhausted into a condenser. The pressure and the condition of the steam at entry to the condenser are 14 KN/m and 0.82 dry, respectively. Assuming the whole of the enthalpy drop is converted into

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chapter 8 practice questions solution.docx - 8.3 A steam power plant …

8.3 A steam power plant operates on the cycles of Fig. 8.4. For one of the following sets of operating conditions, determine the steam rate, the heat-transfer rates in the boiler and condenser, and the thermal efficiency of the plant.

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3. In a closed loop steam power plant cycle, 37,000 | Chegg.com

2020/10/26 · Question: 3. In a closed loop steam power plant cycle, 37,000 Btu/min heat is released in the furnace and 6,500 Btu/min is lost through stack. Another 3,200 Btu/min is lost from boiler and 7,550 Btu/min heat is removed from the condenser.

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300+ TOP Thermal Power Plant Objective Questions and Answers

THERMAL POWER PLANT Multiple Choice Questions :-1. in steam power plant which of the following component needs more maintenance: a) Condenser b) Boiler c) Turbine d) Coal carrying system Ans: b 2. The pH value of the water used in boiler is: a) Unity b) 7

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What is boiler | Types of boiler | How does a steam boiler work - COAL HANDLING PLANTS

What is boiler? It is an enclosed pressure vessel in which water is converted into steam by gaining heat from any source (coal, oil, gas etc). Boiler in thermal power plant accumulates the steam and build up a pressure to expend it in turbine and convert thermal energy to mechanical energy.

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Steam boiler objective questions (mcq) and answers

>Steam Boiler >Steam Engine >Steam Turbine >Thermodynamics Power Plant >Thermal Power Plant >Nuclear Power Plant >Hydro Electric Power Plant MCQ Mecahanical Engineering Electrical Engineering Electronics Engineering Civil Engineering

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In an ideal Rankine cycle, steam leaves the boiler and enters the turbine at 4 MPa and 400 o C and enters the condenser pressure is …

Rankine Cycle Rankine cycle closely describes the process by which steam-operated heat engines commonly found in thermal power generation plants generate power. It consists of four processes

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Question: A Steam Plant Operates With An Initial Pressure At 20 …

Question: A steam plant operates with an initial pressure at 20 bar and temperature 400 C, and exhausts to a heating system at 2 bar. The condensate from the heating system is returned to the boiler plant at 65°C, and the heating system utilizes for its intended purpose 90% of the energy transferred from the steam it receives.

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