Discuss the difference between a heat engine and a refrigerating machine. Also explain in detail components, schematic diagram and computation of efficient of a basic refrigeration system.

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A: Stagnation propreties T01=T1+V22cp=315+15622*1.005*1000=327.1 K…

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Q: A high-strength steel band saw, 25 mm wide, runs over pulleys 900 mm in diameter. What minimum…

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Q: Y 8" Y 6" 이

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A: Given Data The initial dryness friction is:x1=50%=0.5 The mass of the piston is:mp=15 kg The…

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A: Ans: (b) is correct. Pricing

Q: At a point upstream of the throat in a conv.-div. nozzle, the velocity, pressure and temperature 242…

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Q: 3.) THE SPRING RATE OF EACH SPRING ARE ALL THE SAME. (SR = 270N/m) WHAT-IS THE CHANGE IN LENGTH IN…

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Q: Problem 5 Draw the shear and moment diagrams for the loaded beam and determine the distance d to the…

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Q: Why Rankine cycle still being used in steam power plants instead of the Carnot cycle considering…

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Q: An engine operating on the air diesel cycle with k=1.3 has thermal efficiency of 63% and a cut-off…

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Q: A turbine has an available enthalpy of 3300 kJ/kg in a Rankine cycle. The pump work has also 23…

A: Given Enthalpy = 3300 kJ/kg Power work = 23 kJ/kg Mass flow rate = 5 kg/s To find The work done in…

Q: The coefficient of friction between the tires and road surface for a vehicle having a mass of 2600…

A: (a) The stopping distance: s = 27.18 m. (b) The inertia or braking force: Fb = 19.1295 kN.

Q: a) If the spring is cut by half of its length and is loaded by the same load, compute the…

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Q: 3. For a single cylinder petrol engine works on the diesel cycle, the pressure at the beginning and…

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Q: Calculate the unknown velocity components so that they satisfy the following equations (ii) u = 2x²…

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Q: Draw a free body diagram and find the reaction forces at the supports A and C. Draw the shear force…

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Q: Note: All dimensions are in mm Ø 34 7. 3.) A 34 mm diameter x 120 mm shafting will be turned using a…

A: Given:- Dinitial=34 mm,Dfinal,Rough=31 mm,Dfinal,Finish=30 mm,L=50 mm,rough turn:-V=30 mmin,depth of…

Q: Introduction on modern car sensors

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Q: A 102 mm diameter shaft is driven at 3000 rpm by a 250 Hp motor.  The shaft drives a 121.9 cm…

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Q: A cantilever beam, 100 mm wide by 230 mm high and 7 m long, carries a load that varies uniformly…

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Q: A piston driven steam engine and boiler runs according to a modified Rankine cycle. If the steam…

A: Given that, Entering pressure at turbine inlet, P1=100 kPa,Entering temperature at turbine inlet,…

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Q: 22. Write the Miller Indices for the following planes. ja2 ja2 a3

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Q: How do you determine if a component of a system should be a source or a sink?

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Q: 11-4.18. The bent bar ABC weighing 10 lb/ft is mounted as shown in Fig. P-11-4.18. upon a carriage…

A: Given: The bar weight, w = 10 lb/ft The carriage weight, W = 240 lb The load, P = 108 lb

Q: Replace the loading by an equivalent resultant force and couple moment acting at point O. Suppose…

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Q: EXAMPLE 6-1 Momentum-Flux Correction Factor for Laminar Pipe Flow Vavg Consider laminar flow through…

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Q: 1. An engine operating on the air diesel cycle with k=1.3 has thermal efficiency of 63% and a…

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Q: Use the results of your lever apparatus tests to explain the relationship between mechanical…

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Q: The Otto engine intakes 0.4 kg of air at 100 kPa and 300 K. The air is compressed compression ratio…

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three…

Q: The gear train shown in the image has a pressure angle of 20° and a DP of 16. Shaft 2 is turning at…

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Q: 8.459 kg of steam at a pressure of 20 bar and temperature of 300 deg C expands isentropically to a…

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Q: Compute the torsional shear stress in a circular shaft with a diame to a torque of 800 N-m.

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Q: A hydraulic motor with a displacement of 2.5 in/rev and a mechanical efficiency of .89 operates at…

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Q: QUESTION 1 A wolded aluminum alloy cyrindrical pressure vessel has a diameter of 8 in and a wall…

A: Find the internal pressure that will cause rapture.

Q: bipe at a water turbine 250 ft below the surface of the lake. After lowing through the turbine, the…

A: VA<<<VBtank diameter is very highv2=5 ft/s=1.524 m/sy=500 ft=152.4 mtotal =152.4+15.24…

Q: A pipeline, 50 cm diameter and 4,500 m long, connects two reservoirs whom constant difference of…

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