thermodynamics
Consider an ideal Rankine cycle operating betwee 5 kPa and 10 MPa using H₂0 as the working fluid. Steam enters the turbine as saturated vapor at a flow rate of 8 kg/s. A. Plot the ideal cycle on T-s coordinates. B. Determine the power produced by the turbine. C. Determine the power required to drive the pump. D. Determine the thermal efficiency of the cycle.
Consider an ideal Rankine cycle operating betwee 5 kPa and 10 MPa using H₂0 as the working fluid. Steam enters the turbine as saturated vapor at a f…
Read more![A flat plate, 0.9 m in length and 0.2 m in width, is cooled by air stream at 325 K, 1 atm. The free stream air velocity is 1.22 m/s. The bottom of the plate is insulted. The plate surface temperature is uniform to be 375 K. Find the total heat loss [in W] from the plate to the air. The tolerance of your answer](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZuw0G1q_V63xjyK5ZtXCtFq_gGwAWOlwjGk4sxo7xiJmxxoyiIYtmUKSangCzuaHEynN4vM9FwgX7EHoGtPnDeq6t9SQDfDwz_DD1bI655gprF_KoonsorIIaxYBBS2p56bBUxxYLDFXdbla-VXdRJEAZQQVcj_voEfufBxPVEAisHuaWt2BkVD4G7Q/w640/02.jpg)
thermodynamics
A flat plate, 0.9 m in length and 0.2 m in width, is cooled by air stream at 325 K, 1 atm. The free stream air velocity is 1.22 m/s. The bottom of the plate is insulted. The plate surface temperature is uniform to be 375 K. Find the total heat loss [in W] from the plate to the air. The tolerance of your answer
A flat plate, 0.9 m in length and 0.2 m in width, is cooled by air stream at 325 K, 1 atm. The free stream air velocity is 1.22 m/s. The bottom o…
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thermodynamics
Two identical 20-mm thick plates are bolted to the top and bottom flange to form the built-up beam. Each bolt has a shear strength of 27 kN. if the beam is subjected to a shear force of V=230 kN, determine the allowable maximum spacings of the bolts to the nearest mm.
Two identical 20-mm thick plates are bolted to the top and bottom flange to form the built-up beam. Each bolt has a shear strength of 27 kN. if the …
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thermodynamics
Helium is compressed from 100 kPa and 7°C to 300 kPa and 227°C. Assuming constant specific heats, determine the change in the specific entropy of helium.
Helium is compressed from 100 kPa and 7°C to 500 kPa and 227°C. Assuming constant specific heats, determine the change in the specific entropy of he…
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thermodynamics
To heat a house, a heat pump(HP) is used during the winter time. The COP of that heat pump is 1.4 and the HP is to produce 70,000 Btu/hr of heat to the house. How much power is needed for the heat pump to operate properly?
To heat a house, a heat pump(HP) is used during the winter time. The COP of that heat pump is 1.4 and the HP is to produce 75,000 Btu/hr of heat to …
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thermodynamics
A chunk of brass is initially at 25°C. The brass absorbs 75 J of heat and the temperature increases to 45°C. What size is the chunk of brass (in grams)? The specific heat of brass is 0.38 Jg1C1.
Q:- A chunk of brass is initially at 25°C. The brass absorbs 75 J of heat and the temperature increases to 45°C. What size is the chunk of brass (i…
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thermodynamics
Question: What is the relative humidity of air at 30° C Dry Bulb and 10 C Dew Point? A. 15% B 29% C 39% D None of the
Question: What is the relative humidity of air at 30° C Dry Bulb and 10 C Dew Point? A. 15% B 29% C 39% D None of the Answer:- GIVEN, …
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thermodynamics
Q:- An ideal gas expand in an adiabatic turbine from 1200K and 900kpa to 1000K . Determine the turbine inlet volume flow rate of the gas in m^3/s required to produce turbine work output at the rate of 650 KW. The average values of the specific heats for this gas over the interested temprature range are Cp=1.13 KJ/Kg.K and Cv=0.83 Kj/Kg.k . The gas constant R= 030 KJ/Kg.k. Please assume constant specific heats.
Q:- An ideal gas expand in an adiabatic turbine from 1200K and 900kpa to 1000K . Determine the turbine inlet volume flow rate of the gas in m^3/s re…
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thermodynamics
WHAT IS THE DIFFERENCE BETWEEN COMPRESSOR , PUMP AND FAN
Q:- WHAT IS THE DIFFERENCE BETWEEN COMPRESSOR , PUMP AND FAN? ANSWER:- FAN - a increase the pressure of the gas slightly and is mainly used to mo…
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thermodynamics
Saturated liquid water contains in a rigid tank at pressure 150 kPa. Mass of liquid water in the tank is 30 kg. Find the temperature in the tank and the volume of the tank???
Saturated liquid water contains in a rigid tank at pressure 150 kPa. Mass of liquid water in the tank is 30 kg. Find the temperature in the tank an…
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![A galvanometer acting as a voltmeter will have [2004, 2002] (a) a low resistance in series with its coil. (b) a high resistance in parallel with its coil (c) a high resistance in series with its coil (d) a low resistance in parallel with its coil Ans: (c) Solution: A galvanometer can be converted into a voltmeter by connecting the high ressistance in series with the galvanometer so that only a small amount of current passes through i](https://4.bp.blogspot.com/-O3EpVMWcoKw/WxY6-6I4--I/AAAAAAAAB2s/KzC0FqUQtkMdw7VzT6oOR_8vbZO6EJc-ACK4BGAYYCw/w100/nth.png)
