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Steam is the working fluid in a simple, ideal Rankine cycle. Saturated vapor enters the turbine at 8 MPa and saturated liquid exits the condenser at a pressure of 8 kPa. The net power output of the cycle is 100 MA. Determine for the cycle:
a. Thermal efficiency
b. Back work ratio
c. Mass flow-rate of the steam in kg/h
d. Rate of heat transfer to the working fluid as it passes through the boiler in MW
e. Rate of heat transfer from the working fluid as is passes through the condenser in MW
f. The mass flow rate of the condenser cooling water in kg/h if the cooling water enters the condenser at 15°C and exits at 35°C.
consider a large plane wall of thickness l 0. 5 m. the wall surface at x 0 is insulated while the surface at x l is
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flow around a brindge pier is studied using a modeal at 110 scake. when the velocity in the model is 0.9 ms the
water density 1000 kgm3 flowing in a horizontal 25 cm diameter pipe at 8 ms and 300 kpa gauge enters a 90 degree
a well-insulated rigid tank contains 5 kg of a saturated liquid-vapor mixture of water at 150 kpa. initially
a civil engineer is designing a pipe to transport 178 m3s of water a distance of 4.35 x 104 m. to save capital costs he
Evaluate the effect of the water spray on efficiency (net work out divided by heat input) and net power out per kg/s of dry air coming into the turbine.
Determine the minimum distance from a 50 ft height building from which the ball can be thrown and not hit the side of the building , but it may land on the roof depending upon how long the building is.
a pneumatic lift system is being demonstrated at a sales show. the total load is 70 kg and the lift piston is 15.2 cm
Determine the angular velocity of the two 10-kg rods in Fig. 2 when , if they are released from rest in the position . Neglect friction.
one kilogram of carbon dioxide is compressed from 1 mpa and 200 degrees celsius to 3 mpa in a piston cylinder devise
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