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Water contained in a piston-cylinder assembly, initially at 1.5 bar and a quality of 20% is heated at constant pressure until the piston hits the stops. Heating then continues until the water is saturated vapor. Show the processes of the water in series on a sketch of the T-v diagram. For the overall process of the water, evaluate the work and the heat transfer, each in kJ/kg. Kinetic and and potential energy effects are negligible.
an elevated open stairway like the one in the sac is designed to be supported by four steel rods connecting the
the potential at location a is 377 v. a positively charged particle is released there from rest and arrives at
If the chest is completely filled with ice, calculate the time for the ice to completely melt. State your assumptions. The enthalpy of fusion for water is 330 kJ/kg.
water flows through a shower head steadily at a rate of 10lmin. an electric resistance heater placed in the water pipe
a curved rectangular bar has a mean radius of 6 in and cross section width b2.5 in and depth h 1.5 in. 1. determine the
flywheelsthe aim of this demonstration is to become familiar with the derivation of material indexes in general and for
an open brayton cycle engine operates with a compressor-pressure ratio of 6 an inlet temperature of 20 c and inlet
a jeep tows a 400kg block uip a 45deg incline. the coefficients of friction between the block and the ground are us0.5
on the basis of the information given ,is it possiple to compute the magnitude of the load that is necessary to produce this change in length?
Consider 6.0 kg of austenite containing 0.45 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
an aluminum cube initially at 400oc with a dimension of 2 cm on each side is cooled using 30oc air with a convection
the roller-coaster track shown is contained in a vertical plane. the portion of track between a and b is straight and
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