2-a Explain the effect of pressure ratio on the net work and the efficiency of a steam power cycle.
Q: 2. For a Rankine Cycle, steam at 5 MPa, 450°C expands to 0.036 MPa. For 10 kg/s of steam, determine:…
A: Given:-Rankine cycleP3=5 MPaT3=450 °CP4=0.036MPam=10 kg/sTo find:-a) Heat added, Qinb) Heat…
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Q: n a test of cycle steam power plant, the measured rate of the steam supply was 7.1kg / s when the…
A: Given that, Mass flow rate of steam, m˙=7.1 kg/sec,Work output from turbine, W=5000 kW,Feed water…
Q: In thermodynamic cycles explain adiabatic and isobaric. And state thier differences.
A: Adiabatic process ---- It is one of the process in which there is no net heat change .It is related…
Q: determine the thermal efficiency of the cycle, in %.
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Q: Demonstrate the modifications that can be carried out to improve the performance of the power…
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Q: 2. Explain the differences between an engine that operates on a thermal cycle and an engine that…
A: an ic engine is defined as a thermodynamic cycle engine consist of various processes that involve…
Q: Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator…
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Q: For the given reverse Brayton cycle, the COP of the heat pump is h(kJ/kg)+ 500 2 320 1 300 210…
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Q: The Solana Generating Station near Gila Bend, AZ, is a concentrating solar power plant which…
A: Given: Heat input = 800 MW thermal efficiency = 35% To find: work output (in GW-hr for 1 year) and…
Q: 3.1 Describe with the aid of a plant layout and p-v and T-s diagrams, the working of simple closed…
A: To describe: The working principle of simple close circuit, ideal and actual constant pressure gas…
Q: b) Explain using sketches how a combined cycle power plant might operate. What cycles are involved…
A: Combined cycle power plant as in name suggests, it combines existing gas and steam technologies into…
Q: For Carnot Cycle: Thermal efficiency= 1
A: Draw the T-s diagram of the Carnot cycle.
Q: A power cycle capable of delivering a power output of 410 kJ for an energy input by heat transfer of…
A: Given:- (1) efficiency = 410 / 1000 = 41 %
Q: and step by step solution with ts diagram illustration. REGENERATIVE CYCLE
A: Ans : 0.2364 Second part is correct.
Q: 1. Compare and evaluate the actual and ideal thermal efficiencies and back work ratio 2. Construct…
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Q: - The maximum thermal efficiency possible for a power cycle operatng botween poF amd eer°F IS !
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Q: 1. An ideal Ericsson engine using helium as the working fluid operates between temperature limits of…
A: Given Data: The temperature at point 1 is: TL=600 R The temperature at point 2 is: TH=3500 R The…
Q: QI/ In a reheat cycle, the initial steam pressure and the maximum temperature are 150 bar and 550 °C…
A: Given that in a reheat cycleinitial steam pressure is P3=150 bar , temperature T5=550°C, Condensor…
Q: the maximum pressure for the cycle, the net work output, in kJ/kg, the maximum temperature for the…
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Q: Q2: A closed cycle gas turbine unit operating with maximum and minimum temperatures of 760°C and 20…
A: Given data, Minimum Temp. = 20°C, Maximum Temp. =760°C and Pressure ratio = 7:1 For air, its given…
Q: The power generation cost of power plant is more than other power plants.
A: The power generation cost of _______________ power plant is more than other power plants. Answer: c)…
Q: In a steam power cycle, steam enters the turbine at 30bar with the following different conditions…
A: Given that, Pressure at the entry of turbine, P=30 barPressure at the exit of turbine, P=1 bar,Mass…
Q: Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator…
A: Answer: The net work in the cycle is 6.08 kW.
Q: 1- Why is the back work rate high from gas-fluid power cycles? The relevant figure or figures will…
A: given; 1- Why is the back work rate high from gas-fluid power cycles? The relevant figure or figures…
Q: 1. Give atleast 5 Advantages of Reheat Cycle in Thermal Power Plant. 2. Give atleast 5…
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Q: Refrigerant 22 is the working fluid in a Carnot refrigeration cycle operating at steady state. The…
A: To find : The work developed by the turbine. Given : The entering temperature at condenser T=36°.…
Q: A Rankine turbo-generator unit receives 27,050 kg/hr of steam at 6.1 MPaa and 500°C. Steam is…
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Q: A Carnot power cycle has a maximum cycle temperature of 800 F entropy for the heat addition process…
A: To find (a) The heat supplied Q1 (btu/ lb). (b) The net cycle work W (btu/ lb). (c) The minimum…
Q: Explain Hydroelectric power plant and Geothermal power plant?
A: Hydroelectric Power Plant- In this Energy is Generated by the water force. In this process there is…
Q: Q1) How to steam flow control in thermal power plants?
A: Control valves are generally used for control of steam flow , These valves are controlled by…
Q: Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator…
A: Refrigerant=R22Evaporator temperature, Te=-30oCCondenser temperature, Tc=36oCThe mass flow rate of…
Q: For a power cycle operating as shown in the figure, Wcycle = 60O Btu and Qout = 1750 Btu. Hot body…
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Q: An ideal vapor-compression refrigerant cycle operates at steady state with Refrigerant 134a as the…
A: from the R134a table the temperature given are At-5°C At…
Q: Write legibly, provide manual step by step solution, and diagram for below given problem. In an…
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Q: Explain the first laws of thermodynamics for process and also for cycle?
A: Consider the PV diagram shown below for a process.
Q: As shown below, a refrigeration cycle condenses a flow of ammonia from a saturated vapor at 4 barto…
A: Consider the following diagram for the refrigerator cycle operating within the temperature limits,
Q: Rankine cycle list few reasons why thermal efficiency was so low
A: For comparison purpose we will compare rankine cycle with ideal carnot cycle which has zero…
Q: 4. An ideal vapor-compression heat pump cycle with Refrigerant 134a as the working fluid provides 15…
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Q: a. Net output work of the cycle, Btu/lb b. Heat rejection per unit mass, Btu/lb c. Equivalent Carnot…
A: Given:compression ratio, r=10.2T3=3000°R =1666.67 K
Q: Subject:Power Plant How to determine boiler efficiency of steam power plant?
A: Given Data⇒ Boiler efficiency of steam power plant
Q: A steam power plant operates on the ideal Rankine cycle(dry steam at entry to the turbine) between a…
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Q: For a power cycle operating as shown in the figure below, the energy transfer by heat into the…
A: Hi and thanks for the question. Since you have asked multiple questions, we will solve the first…
Q: Explain Coal-fired power plant?
A: Coal-fired power plants :They are thermal energy based power plants, which produce electricity by…
Q: The heat pump is presently providing heating at a rate of 12 kW to maintain the interior of a…
A: Refrigerant: R134a Heat load of Heat pump, Q=12 kW Interior temperature, TH=20oC Outside…
Q: (a) the pressure and temperature at the end of the heat addition process, (b) net work output, (c)…
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Q: Q2/ P1= 30 bar , T1=400 °C P3= 0.1 bar, P2=5bar The feed water heater is a direct contact type Find…
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- A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center, the gas is initially at 10 psig, 65F, and 10.5 in3. After compression and when the piston is at top dead center, the gas is 180Fand occupies 1.5 in3. What would be the new pressure of the gas in psig?Book - Advance Energy Systems, 2ed, Khartchenko5. An engine trom a quary vehicle used in the Buid a Beach program of DEMR has a power requirement of 560 kw. Per hour of its operation. it ejects 234 MJ into its suroundings at 50 °C. If it behaves like a Carnot engine, answer the questions below. a. How much work (MJ) s done by the engine per hour? b. What is the efficiency (%) of the engine? c. What is the temperature ("C) of the hot reservoir?
- 1- Do a small Research about about the Governing system of steam power plants.Pls. Answer thank you! A double acting steam engine with a cylinder diameter of 19 cm and a stroke of 30 cm has a cut-off of 0.35. The expansion ratio of this engine is nearlyA steam turbine is operated under the conditions shown in the figure.Define:a. steam flow rate (kg/min) to produce 1000 kW powerb. actual steam rate (kg/kWh)!c. turbine efficiencyd. What type of steam turbine belongs to this?
- 1. The mean effective pressure of an engine running at 300 rpm is 500 kPa. What is the indicatedpower if the engine has bore of 250 mm x 450 mm. Select the correct answer below: A. 110.5 kW B. 150 kW C. 200 kW D. 182. 2 kW 2. In a certain process, entering is 1500 KJ/kg and 150 m/s. If the energy leaving is 12000 Kj/kg/ Determine the velocity at exit. Select the correct answer below: A.) 145 m/s B. 1020 m/s C. 789 m/s D. 978 m/sQ 1: For a particular gas system, the internal energy is given by : U = 2.5 PV + C , where P: Presure , V: volume and C : constant, the sysytem is taken into cycle shown in fig.(Q1) below with three Processes, Calculate Q & W if the pressure is given by P= 105+ 10° (v-0.02)² ? 0.5- 0.4E 0.3E A 0,2 A 001 002 003 V (m³) > Fig. (Q1) P (MPa)►Q3) A compressor, requiring 90 kW is to run at about 250 r.p.m. The drive is by V-belts from an electric motor running at 750 r.p.m. The diameter of the pulley on the compressor shaft must not be greater than 1 meter while the centre distance between the pulleys is limited to 1.75 meter. The belt speed should not exceed 1600 m/mi. Determine the number of V-belts required to transmit the power if each belt has a cross-sectional area of 375 mm² density 1000 kg/m and an allowable tensile stress of 2,5 MPa. The groove angle of the pulley is 35°. The coefficient of friction between the belt and the pulley is 0.25.
- 1. An engine from a quarry vehicle used in the Build a Beach program of DEMR has a power requirement of 560 kW. Per hour of its operation, it ejects 234 MJ into its surroundings at 50 °C. If it behaves like a Carnot engine, answer the questions below. A. How much work (MJ) is done by the engine per hour of operation? B. What is the efficiency (%) of the engine?C. What is the temperature (°C) of the hot reservoir? 2. Determine the entropy change (kJ/K) associated to the conversion of 10 kg of ice at -11 °C to steam at 121 °C. 3. Anna and Beth are using another rare metal, the nth metal (c = 0.600 J/g-℃), to build the 5-kg cuirass of their design. Initially, the metal is at 2250 K. It is then submerged to 10 kg of water at 15 °C. If the remaining liquid water after submerging the metal is 8.5 kg, solve for the net entropy change (kJ/K) of the system.8. A single stage air compressor handles 0.454 cubic meter per sec of atmospheric pressure, 27 deg Cair and delivers it to a receiver at 652. 75 kPa. It is 0.85 and its mechanical efficiency is 0.90. If it rotates at 500 rpm, what power in kw is required to drive it?1. An engine operating on the air standard heat engine has 13 KJ heat added at isochoric process, heat ratio of air = 1.35. If the minimum pressure and temperature are 101 KPa and 305 K, respectively. The maximum volume of 3.8 x 10 2 m³ with clearance of 10%. Determine • The work of cycle in KJ • The mep in MPa