a refrigeration system operates on the reversed carnot cycle. the highest temperature of the system is 49 °C and the lower temperature is -12 °C, the capacity is 20 tons. Determine the power input.

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Q: 1. COMBINED CONDUCTION CONVECTION ON CYLINDRICAL WALL A hot-water pipe (k = 60 W/m K) in a house,…

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A: The given information in the problem is listed in the following attached image:

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Q: A rigid, well-insulated tank contains a two-phase mixture of ammonia with 0.0022 ft³ of saturated…

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Q: As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32…

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A: For solution refer below images.

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Q: he block brake, as shown in the figure, provides a braking torque of 376 N-m. The diameter of the…

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Q: Quiz2 Find the deflection in the point (C) of the beam shown in the figure below. The beam has a…

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Q: For an adiabatic air compressor that has an inlet temperature of 300 K and exit temperature of 500…

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Q: A closed system consisting of 4 lb of a gas undergoes a process during which the relation between…

A: m=4lb, v1=1.25ft3/lb,v2=0.5ft3/lb ,p1=15lbf/in2,p2=53lbf/in2 V1= m*v1= 4*1.25 =5 ft3 V2= m*v2=4*0.5…

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Q: A piston-cylinder assembly contains 2 lb of water, initially at 100 lbf/in.² and 400°F. The water…

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Q: Steam is supplied to a two stage turbine at 40 bar and 450°C. It expands in the first turbine until…

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Q: The position of a particle in millimeters is given by s = 36-20t+t² where t is in seconds. Plot the…

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Q: 10. If Fan #1 is 5hp, 1.5" static pressure, 5,000cfm, and 2,000rpm, what is the flowrate of Fan #25…

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Q: Steam in a piston-cylinder assembly undergoes a polytropic process, with n = 2, from an initial…

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Q: Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 140 lb/in² and T₁ = 140°F to p₂ =…

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Q: A differential band brake is shown in the figure. The diameter of the drum is 800 mm. The…

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Q: A long solid steel bar of uniform 1.25 in diameter has a 0.375 in diameter hole at its center with…

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Q: In a machining setup, workpiece B, which weighs 10.5 lb, is supported by a fixed V block E and a…

A: Given data as per the question weight of block B =10.5 lb Force applied at A by clamp = 16 lb