A Carnot’s engine is operated between two reservoirs at temperature 450 K and 350 K. If the engine receives 1000 calories of heat from the source in each cycle, calculate the amount of heat rejected to the sink in each cycle. Calculate the efficiency of the engine and the work done by the engine in e

Q: Use image below PART C- Evaluate the useful work (i.e., the work corrected for the work against the…

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Q: A steam power plant receives heat from a furnace at a rate of 280 GJ/h. Heat losses to the…

A: Given Rate of heat = 280 GJ/h Heat loss rate = 8 GJ/h Cooling rate of water = 165 GJ/h To find Net…

Q: steam engine isentropically expands 12.905 kg/s of steam from 0.68 MPa, 220°C. The exhaust is dry…

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Q: A domestic refrigerator maintains a temperature of –20 C. The ambient air temperature is 25 C. If…

A: Given, Lower temperature = TL = -20 oC = 253 K Higher temperature = TH = 25 oC = 298 K Heat to be…

Q: A refrigerator draws 9000 kJ / h of heat from the cold environment at 2 ° C and gives heat to the…

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Q: A power cycle produces 12 MW by partial conversion of the received heat as a result of steam…

A: Given Data Heat produce is :Q˙c=12 MW Saturated pressure is :Psat=1900 kPa Temperature of sink is:…

Q: A heat engine is operating on a Carnot cycle and has a thermal efficiency of 56.2 percent. The waste…

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Q: A Carnot heat engine operates between a source at 1000 K and a sink at 300 K. If the heat engine is…

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Q: Superheated steam enters the turbine of a steam power plant at 5 MPa and 450 ºC, and exits at 10…

A: Given:P1=5 MPaT1=450°CP2=10 KPaη=90%m=10 Kg/s

Q: air remigeration system is done according to the following specifications: Pressure of air at…

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Q: piston cylinder containing air receives heat at a constant temperature of 500 degree Kelvin and an…

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Q: A Simple Steam Power Plant under the conditions shown in the diagram. Neglect Kinetic Energy and…

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Q: The Dipping Bird Machine experiment:explain the dipping bird machine  motion in the context of a…

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Q: The inlet and exit conditions of an adiabatic steam engine are as follows: SECTION VELOCITY…

A: Calculated the work in kJ/ kg . And power in MW.

Q: Steam in an adiabatic turbine expands from a pressure of 6 MPa and a temperature of 300 °C to a…

A: At 6 MPa T=300 °C Using superheated steam table  h1=2884.2 KJ/Kg At 0.1 MPA  using saturated steam…

Q: A 2350m conveyor transports 540t/hour of ore through a vertical lift of 240m, consuming 1150kW at…

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Q: The figure below shows a Carnot engine driving a Carnot refrigerator. If the heat input is 100…

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Q: A carnot device extracts 5.00 kJ of heat from a body at -10.00C. How much work is done if the device…

A: Given details: Th = 25 C =298 K TC = -10 C =263 K W = 5 kJ Note: Inbuilt Math type not work so…

Q: A Carnot cycle operating between 600 °C and 25 °C absorbs 1000 kJ of heat from the high- temperature…

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Q: Waternearthesurfaceofatropicaloceanhasatemperatureof25°C, while water 700 m beneath the surface has…

A: Let, Th be the surface high temperature of ocean. Ts be the temperature 700m beneath the surface.…

Q: What is the ratio of the net work done by the system during the cycle and the heat absorbed from a…

A: It is given that there is a ratio of net work done by the system and heat absorb from the source.

Q: A Carnot engine receives 130 BTU of heat from a hot reservoir at 700 F and rejects 49 BTU of heat.…

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Q: In a system, 90 kJ of heat is supplied from state 1 to state 2 by constant volume process. The…

A: Solution: The P-V diagram of the process is shown above. From process 1-2…

Q: heat engine receives heat from a source at 1000 K at a rate of 450 kJ/s and rejects the waste heat…

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Q: Consider three Carnot engines with operating characteristics as follows: Source temperature Sink…

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Q: A well-insulated steam turbine receives 0.456 kg/s of steam at 34 m/s velocity and 3547.15 KJ/kg.…

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Q: In a cycle what always happens when an ideal process is replaced by a real process The efficiency…

A: All the processes in the nature are real processes though we study them as ideal processes.…

Q: An air-standard Otto cycle uses 0.1 kg of air and has a clearance of 17%. The intake conditions are…

A: Given, Mass,  m=0.1 kg, Clearance volume, Vc=17% Vs=0.17Vs        (Vs is the swept volume ) Inlet…

Q: Refrigerant-134a at a rate of 0.08 kg/s enters the compressor of a refrigerator as superheated vapor…

A: Given Datam =0.08 kg/sP1 = 0.18 mPa, T1 =0°CP2 = 0.9 mPa and T2 =80°CP3 = 0.8mPa , T3 =31.3°CP4…

Q: A Carnot heat engine operates between reservoirs at 30°C and 290°C. Determine the efficiency of the…

A: Find the mass flow rate of steam .

Q: A steam power plant receives heat from a furnace at a rate of 280 GJ/h. Heat losses to the…

A: Given: The rate of heat receives by the steam power plant is Q1=280 GJ/h. The rate of heat losses to…

Q: Two (2) Carnot engines are arranged in the manner that the latter engine receives the heat rejected…

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Q: Steam enters the turbine at a speed of 10 kg/s. The pressure at the inlet is 100 bar and the…

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Q: Two (2) Carnot engines are arranged in the manner that the latter engine receives the heat rejected…

A: Option D is correct and steps are given under:

Q: An air stream at 150ºC and 400 kPa with mass flow rate of 0.6 kg/s enters a steadystate steady-flow…

A: given data;air stream inter in turbine atT1=1500c=423KP1=400KPaat exitT2=600c=333KP2=100KPamass flow…

Q: Problem 1 1200 K Consider a heat engine in contact with a hot and cold reservoir, as shown. If 1000…

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Q: Steam enters an adiabatic turbine at 3MPa and 500C and exits at 30 kPa. If the efficiency of the…

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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: Steam enters an adiabatic turbine at 4MPa and 600C and exits at 40 kPa. If the efficiency of the…

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Q: A steam generation unit in power plant operates at a constant pressure of (10 bar) and the water…

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Q: A Carnot engine uses ethylene as its medium. The volumes at the beginning and end of the reversible…

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Q: A refrigerator which work on the principle of reversed Carnot cycle. Determine the power required to…

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Laws of thermodynamics

Thermodynamics is a field of research, which needs the creation of absolute and ideal states and logical and practical examination of the actual conditions. By considering all the laws and theories of thermodynamics, the chemical reactions, the occurrence of processes, and physiological functions can be predicted with this field.