PROBLEMS: 1. Steam is delivered to an engine at 5.4 MPa and 600°C. Before condensation at 31°C, steam is extracted for feedwater heating at 0.60 MPa.
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Q: 5. A body of mass 10kg moving with a velocity of 1 m/s is acted upon by a force of 50N for two…
A: Given, Mass of the body = m = 10 kg Initial velocity of the body = u = 1 m/s Force acting on the…
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Q: the wall and the ladder is 0.35, determine a) the coefficient
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Q: A force-couple system is acting on the frame as shown. Use A-50N, B-500N, C-80N, and M= 50N.m. The…
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Q: Calculate the minimum wall thickness for a cylindrical vessel that is to carry a gas at a pressure…
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Q: fire -5 m² Figure shows a portion of a protection system in which a pump draws water at 60°F (v…
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Q: 500 N AY SOON Find the resultant system of converging forces in the figure. Below 200NX
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Q: The simple beam with overhang carries a uniform load, w (kN/m) and a force P (kN). (aj vetemine the…
A: Please refer to the detailed solution given below, Answers - Max Stress in tension = 52.43 MPa Max…
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- 3. For a Pelton turbine the pressure of the flow before the nozzle is 5 bar while the velocity of flow leaving the nozzle is 31m/s. If the speed of the turbine is 500 rpm and the wheel diameter is 1.5 m, the efficiency of the nozzle will be: а. 0.96 b. 0.97 c. 0.98 d. 0.99 e. None of the them.What is the turbine output of 100m head and delivering 1 cu. m/ sec in a hydro electric power plant if turbine efficiency is 88%?Q.8 A turbine is working under a head of 200 m. The power developed by the turbine is 100 kW and discharge through the turbine is 0.125 m/s. In such a case, the ratio of unit power to unit discharge for the turbine will be A 2000 в 4000 C 6000 D 8000
- Pls. Answer this..? A steam engine has 10% brake thermal efficiency and consumes 750 kg/hr steam. The enthalpy of steam at the entrance ang exit of the engine and condenser are 2800 and 450 kj/kg repectively. Determine the brake power of the engine in kw.NOTE THE ANSWER SHOULD BE 10.75m3/s Find the flow rate of water through the sytem shown for the turbine to produce 20 kW. Neglect friction in your calculations NOTE: THE ANSWER SHOULD BE 10.75m3/sFIND ONLY (i) THE OVERALL RATIO OF COMPRESSION
- Q4: Why the stroke length of the racing cars' engines is always smaller than its bore diameter?4) A gos tubre Ahe orking sebslance Durirg the alort d the compraico,he compression, the pescue d 500LR The conditoo of the atld of tomperahune of gos is at 340k ord ompresskn proces adobalic with geo 650k ond 193OKR. The wotona subatonce le hsted ord entoed the turbine at 1400k ond kzokR ond enronde adiabalically to 900k Ond 490HR. Detrmne: The compresor Ond turbine fictres oe achol compressor ond turbire vork o ho nakd the cyce c Te thond ficey c) Acunng that a domme the w Drow the schonadk dicgrom regoroabr is installed with 85% Hocticnes, thermal ficionsProvide the diagram for the problem. Choose the correct answer and provide complete solution. Water at 60 F from a lake through 500 ft if 4in ID cast iron pipe at a water turbine 250 ft below the surface of the lake. After flowing from the turbine, the water is discharged into the atmosphere through a horizontal 50 ft section of the same pipe. The turbine power output is 10hp when the water in the discharged pipe is flowing at 5 ft/s. A. What is the turbine efficiency defined as the actual power output of the turbine divided by the power output that would be withdrawn if there are no friction within the turbine? a. 86%b. 65%c. 77%d. 50% B. If the turbine were by passed, what would be the flow rate of water through the 500 ft of 4in pipe. a. 45 lb/sb. 37 lb/sc. 52 lb/sd. 29 lb/s
- 4. to convert the kinetic energy of water into the mechanical shaft energy. Water enters the turbine, at the inlet, with the velocity Vin = 40m/s and the mass flow rate m=1,000kg/s. Water exits the Vi,z40ms turbine with a negligible velocity, say, Vout = 0 m/s.The efficiency of m - loooly/s Figure on the right shows a hydraulic turbine designed HzO HzO the turbine is 75 %. Potential energy and flow work can be ignored. 4а. Please calculate the specific kinetic energy of water entering the turbine ( ɛr or ke; in J/kg). 4b. Please calculate the rate of total kinetic energy of the water flow ( É̟ or KĖ ; in J/s or W) 4с. Please determine the mechanical power output of this turbine (Wou; in W or kW). 4d. Please determine how much mechanical energy would this turbine generate during an hourA steam turbine receives a steam flow rate of 2kg/s and the power output is. 700 kW. The heat loss from the casing is negligible. B. when the velocity at the entrance is 60 m/s, the velocity at exit is 360 m/s, and the inlet pipe is 3 m above ?the exhaust pipe, the change of specific enthalpy across the turbine is 700 kJ 600 kJ 400kJ non of the above42 velocity of 16 mfeone 3. Steam enters a turtoine with a and specifie enthalpy (e990 KT/ng).The steam Teaves t. turbine witn a 324000 kg/hr. Determine +He work aut - velocisty of 37 m/s and speific enthad py of 2530 KJ/ng- The heat lust to the surroundings as the steam passes through the turbine io (25 k3/vn). The' steam flow rate is -Put from the turbine in Kws.