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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.
Saturated steam flowing at 3.5 kg/s and 200 kPa is condensed into saturated liquid at the same pressure in a counter-flow heat exchanger. The coolant is water with an inlet temperature of 18 degrees Celsius and an outlet temperature of 35 degrees Cel..
a structural member is subjected to combined loading so that the fallowing stress occur at a critical point 100 50 40
air is compressed in a steady-flow compressor via a polytropic process from 15 psia and 60 degrees f state 1. to 75
carbon dioxide is expanded in a steady flow frictionless process through a turbine from 0.9 mpa to 0.1 mpa. the initial
a cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. if the local atmospheric
a tank of capacity 5000 gal is filled with 500 gallons of pure water. solution containing 2 lbgal of salt is pumped in
To set up and solve the equations of motion using rectangular coordinates. The 3-kg collar shown has a coefficient of kinetic friction μk=0.205 with the shaft. The spring is unscratched when s=0 and the collar is given an initial velocity of v0=15.1..
compressed liquid water at 42 c and 8 mpa steadily flows into a boiler and exits as a saturated vapor at 8 mpa. the
A paper clip is made of wire 0.7 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering strain and true strain that the wire has undergone during processing.
Discussion of various cycles attempted to meet the goal as well as the positive and negative aspects of your design.
Galvanized iron drainpipes of diameter 50 mm are located at the four corners of a building, but three of them become clogged with debris. Find the rate of downpour (cm/min) at which a single functioning drainpipe can no longer drain the roof.
a container has a circular hole d5cm on the bottom and is sealed by a metal ball weighs w2.452 with radius 4cm. water
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