Power output of an hydro electric power station is equal to

Q: The maximum possible (Carnot) efficiency of a heat engine operating between constant temperature…

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Q: A system executes a power cycle while receiving 1000 Btu by heat transfer at a temperature of 900°R…

A: Given - QS=1000 Btu=1055.06 kJQR=500 Btu=527.53 kJTS=500 KTR=300 K

Q: A system executes a power cycle while receiving 900 Btu by heat transfer at a temperature of 900°R…

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Q: A steam power plant receives heat from a furnace at a rate of 250 kJ/h. Heat losses to the…

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Q: 2. A cyclic machine is used to transfer heat from a higher to a lower- temperature reservoir, as…

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Q: The second-law efficiency of naturally occurring processes is zero if none of the work potential is…

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Q: An air conditioner removes heat steadily from a house at a rate of 750 kJ/min while drawing electric…

A: COP of air conditioner is ratio of rate of heat extracted from room to power supplied to air…

Q: Gaseous nitrogen actuates a Carnot power cycle in which the respective volumes at the four comers of…

A: Hhaa

Q: A 1000 MW steam power plant, which is cooled by a river, has a thermal efficiency of 50 percent.…

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Q: A system executes a power cycle while receiving 1000 Btu by heat transfer at a temperature of 900oR…

A: Given data: QC=600 BTUQH=1000 BTUTH=900°RTC=540°R Need to determine the cycle thermal efficiency and…

Q: is the net work for any cycle Zero? why

A: Yes, it is possible the net work for any cycle is zero. if the process is an adiabatic process.

Q: A well-established way of power generation involves the utilization of geothermal energy—the energy…

A: Solution: We begin by sketching our device interactions     High-Temperature Heat Reservoirat TH =…

Q: What are limitations of micro hydro-electric power stations?

A: limitations of micro hydro-electric power stations - it deliver the electrical energy upto 1KM -Not…

Q: To maintain a dwelling steadily at 68°F on a day when the outside temperature is 30°F, heating must…

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Q: A centrifugal fan used for ventilation system discharges 10 cu.m/s through a short duct with a…

A: Given data: The absolute pressure at the inlet can be determined as,

Q: A system executes a power cycle while receiving 1000 Btu by heat transfer at a temperature of 900°R…

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Q: 3. A heat engine operates between two reservoirs at 700°C and 20°C. One-half of the work output of…

A: Find , Minimum rate of heat supply to heat engine.

Q: A gasoline engine working on Otto cycle consumes 8 litres of gasoline per hour and develops 28 kW.…

A: The performance of any engine is described by its efficiency. There are mainly five types of…

Q: 11. A Carnot engine rejects 80 MJ of energy every hour by transferring heat to a reservoir at 10°C.…

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Q: 3. An air conditioner removes heat steadily from a house at a rate of 750 kl/min while drawing…

A: (a) Write the formula for COP of the air conditioner. COP=Q˙LW˙ Here, Q˙L is the rate of heat…

Q: A heat pump supplies heat to a house at a rate of 30,000 kJ/hr. If the power consumed by the heat…

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Q: Define as energy systems that have the capability to produce two useful outputs simultaneousty.…

A: Define as energy systems that have the capability to produce two useful outputs simultaneously.

Q: A nonpolluting power plant can be constructed using the temperature difference in the ocean. At the…

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Q: Shown in the figure below is a system that executes a power cycle while receiving Q1 = 1800 Btu by…

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Q: (c) An air conditioner in a house removes heat steadily at a rate of 750 kJ/min while drawing…

A: The heating and cooling capacity of ac can be known by its Coefficient of performance (COP). It is…

Q: Calculate the efficiency of a steam turbine system with the following flow conditions: Steam…

A: Steam entering the turbine:  Saturated steam, P2= 2000 kPa Steam entering the condenser: P3= 7.5 kPa…

Q: An air conditioner is removing heat at a rate of 3424 W from a room that is maintained at 22 C and…

A: Calculated power consume by the air conditioner in Watt.

Q: The net work output of this power plant is simply the difference between the total work output of…

A: The work-producing device that best fits into the definition of a heat engine is the steam power…

Q: Back-work ratio of a gas turbine is defined as O a. turbine work/compressor work O b. (turbine work…

A: Back work ratio of a gas turbine is defined as the ratio of net work done to the turbine work…

Q: A heat engine operating between two reservoirs receives energy Q₁=2100 KJ by heat transfer from a…

A: Given: The value of Q1 is 2100 kJ/kg. The value of Q2 is 500 kJ/kg. The temperature T1 is 2000 K.…

Q: 5. Coefficient of performance of a reversible heat pump is always higher than that of an…

A: The coefficient of performance (COP) of a heat pump comprised of reversible processes (CARNOT) is…

Q: A heat engine accepts heat at a rate of 14 MW and rejects heat to a sink at 6 MW. Determine the rate…

A: Heat Engine; *Accept heat at the rate of 14MWQS *Reject heat to the sink at 6MWQR   To find; The…

Q: A heat engine with a thermal efficiency of 45 percent rejects 1500 kJ / kg of heat. How much heat…

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Q: Shown in the figure below is a system that executes a power cycle while receiving Q1 = 600 Btu by…

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Q: A/A heat pump is used to meet the heating requirements of a house and maintain it at 20 C°. On a day…

A: Given Data A heat pump is maintaining a house at 20oC. TH=20+273=293 K The outdoor temperature…

Q: A heat engine with a thermal efficiency of 40 percent rejects 1000 kJ/kg of heat. Determine the…

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Q: Show that all reversible engines operating between the same two reservoirs have the same efficiency

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Q: A reversible power cycle whose thermal efficiency is 50% operates between a reservoir at 1800 K and…

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Q: cycle thermal efficiency. Use the Clausius Inequality to determine σcycle, in Btu/oR. Determine if…

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Q: In an auto repair service, a hydraulic platform raises a 1800kg car 1.6m. The hydraulic pump…

A: Given data m=1800 kg H=1.6 m P=950 kPa V=?

Q: Compare wind, solar, and power generation systems with each other and write down their advantages…

A: Wind energy:-wind energy describes the process by which the wind is used to generate mechanical…

Q: An innovative way of power generation involves the utilization of geothermal energy—the energy of…

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Q: An air-conditioner removes heat from a room at 20°C at a rate of 9000 kJ/hr and rejects the heat to…

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Q: As a mechanical engineer in a power station working on a regenerative gas turbine, you are requested…

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Q: During nominal operation, the power plant operates with the following parameters. Wpump,in = 4.05…

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Q: A cycle heat engine does 50 kJ of work per cycle If the efficiency of the heat engine is 75% The…

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Q: Estimate the size of heating equipment (in kW), that is needed for a new dormitories in America that…

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Q: A four-stroke turbocharged V-16 diesel engine built by a car manufacturer company to power fast…

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