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(i) Water vapor enters a turbine at p1= 5 bar, T1=320? C and exits at p2 = 1 bar. The work generated is measure as 250 KJ per kg of water vapor flowing. Determine the isentropic turbine efficiency.
(ii) Steam enters a compressor at p1 = 6 bar, T1 = 300? C and exits at p2 = 10 bar. The work on the system is measured as 200KJ per Kg of water vapor flowing. Determine the isentropic turbine efficiency.
As shown, a 3.1-lb ball is suspended at point D inside a box with dimensions w=9.50 ft, d=6.50 ft, and h=4.50 ft. The ball is held in place by three cables anchored at points A,B, and C on the surface of the box.
What is the nature of the process fluid and what are the objectives of the two sample points and in what way do the samples reaching the instruments differ?
Calculate the temperature of the water exiting the absorber tubes. Calculate the rate of exergy transfer accompanying the heat transferred from the absorber tubes to the water. Calculate the amount of exergy destroyed in the absorber tubes.
question a 49 kg person drinks 520. g of milk which has a caloric value of approximately 3.0 kjg. if only 19 of the
a block weighing 100 lbf sits on a 20ordm inclined surface. the coefficients of static and dynamic kinetic friction are
a u-tube manometer is closed on the left end and open to the atmosphere on the right end where patm 105 pa. the
Calculate the adiabatic flame temperature attained when methane at 298k, is combusted (a) with oxygen in the molar ratio air/CH4 = 9.524. Assume that CO2 and H2O are the products of the combustion. The adiabatic flame temperature is that temperature ..
A solid 0.625-in. diameter steel [E = 29300 ksi] rod (1) supports beam AB, as shown. If the stress in the rod must not exceed 20 ksi and the maximum deformation in the rod must not exceed 0.26 in., determine the maximum load P that may be supported.
a two phase liquid-vapor mixture of h2o is initially at 2.0 mpa with a quality of 90 is contained in a rigid well
an engine uses methanol ch3oh as a fuel with 300 excess air. air enters the engine at 1 bar and 25 c and is mixed with
you bought a truck three years ago for 150000. you took out a 5 year loan at 4 and you assumed the salvage value at
estimate the weight savings if a typical automobile engine 100 kg is made of aluminum instead of cast iron. assume the
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