Need ASAP thank you An inventor claims to have developed a power cycle operating between hot and cold reservoirs at 1000 Kand 295 K, respectively, thatprovides a steady-state power output of (a) 33.33 kW, (b) 37.50 kW, while receiving energy by heat transfer from the hot reservoir atthe rate 150,000 kJ/h. Evaluate each claim.Part AWhat is the thermal efficiency for the conditions of case (a)? Is the inventor's claim possible for the conditions of case (a)?Na =iThe claims isSave for LaterAttempts: 0 of 1 usedSubmit AnswerPart BThe parts of this question must be completed in order. This part will be available when you complete the part above.

The heat added to the engine is

Answered: An inventor claims to have developed a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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An inventor comes to an industrialist and claims to have developed a device that operating in a thermodynamic cycle receives 850 kJ of heat from a source at 550 K and produces 300 kJ of net work while rejecting the waste heat to the atmosphere at 350 K. According to the efficiency he should invest or not?
A power cycle receives 5000 Btu by heat transfer from a reservoir at 1500°F and discharges energy by heat transfer to a reservoir at 300°F. The thermal efficiency of the cycle is 75% of that for a reversible power cycle operating between the same reservoirs. (a) For the actual cycle, determine the thermal efficiency and the energy discharged to the cold reservoir, in Btu. (b) Repeat for the reversible power cycle.
2. A power cycle receives energy QH by heat transfer from a hot reservoir at TH = 1200 R and rejects energy QC by heat transfer to a cold reservoir at TC = 400 R. For each of the following cases, determine whether the cycle operates reversibly, operates irreversibly, or is impossible. (a) QH = 900 Btu, Wcycle = 450 Btu (b) QH = 900 Btu, QC = 300 Btu (c) Wcycle = 600 Btu, QC = 400 Btu (d) Eff. = 70%
The maximum thermal efficiency possible for a power cycle operating between 1200 F and 225 F is
7. Find the work output of a three-process air standard power cycle using 80 lb of air in which process 1-2 is constant pressure, 2-3 is a constant volume and 3-1 is constant temperature. Given that the initial pressure and temperature is P1 = 600 psia and ti = 800 °F, respectively and V2 = 10 ft^3 a. 9480 lb.ft b. 9.19 Btu c. 7150 lb.ft d. 12.2 Btu
A cogeneration power plant operating in a thermodynamic cycle at steady state. Theplant provides electricity to a community at a rate of 80 MW. Of this, 70 MW isprovided to the community for water heating and the remainder is discarded to theenvironment without use. The electricity is valued at $0.08 per kWh. If the cyclethermal efficiency is 40 %, determine thei. rate energy is added by heat transfer, , in MWii. rate energy is discarded to the environment, in MWiii. value of the electricity generated, in $ per year
A system undergoes a power cycle while receiving 1450 kJ by heat transfer from a thermal reservoir at a the temperature of 780 K and discharging 560 kJ by heat transfer to a thermal reservoir at (a) 250 K, (b) 380 K, (c) 460 K. For each case, determine whether the cycle operates irreversibly, operates reversibly, or is impossible.
Gaseous nitrogen actuates a Carnot power cycle in which the respective volumes at thefour corners of the cycle, starting at the beginning of the isothermal expansion, are V 1 =10.10, V 2 = 14.53, V 3 = 226.54, V 4 = 157.73 liter, what is the thermal efficiency of thecycle? k=1.399
As shown in the figure, an air conditioner operating at steady state maintains a dwelling at 70°F on a day when the outside temperature is 90°F. The rate of heat transfer into the dwelling through the walls and roof is 30,000 Btu/h and the net power input to the air conditioner compressor is 3 hp. Determine a. the coefficient of performance for the air conditioner b. power input required in hp c. coefficient of performance for a reversible air conditioner providing the same cooling effect while operating between the same cold and hot temperatures.
2 kg of steam expand in a Rankine Engine at 2 MPa, 400 deg C and exhaust it at 0.6 MPa. Determine the e of cycle & engine. At pt. 1 P1= 2 MPa tsat= 212.42 deg C t1= 400 deg C h1= 3247.6 KJ/Kg s1= 7.1271 KJ/Kg-K At pt. 2 P2= 0.6 MPa s2= 7.1271 KJ/Kg-K
How does "power producing cycle" be applied in agriculture and machinery?
A steam turbine is supplied with steam at 20.6 bar and 399°C. After the steam has expanded to 4.04 bar, it is reheated to 315.5°C and then expands down to a pressure of 0.065 bar. The efficiency of each expansion may take as 75%. 1. Determine the thermal efficiency, in percentile (%), of the cycle. 2. Determine the mass of steam required in kg per kW·hr.

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