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Water is heated in a closed pot on top of a stove while being stirred by a paddle wheel. During the process, 30 kJ of heat is transferred to the water, and 5 kJ of heat is lost to the surrounding air. The work done amounts to 500 J. determine the final energy of the system if its initial internal energy was 10 kJ.
calculate the partial pressure and gas-phase concentration in ppm of ethanol in air when air at 18 psi is bubbled
a 3 ft. diameter cylindrical block with specific weight 50 lbft3 is supported by a spring whose force is given by
suppose a cube of aluminum which is 1.00 cm on a side accumulates anet charge of 2.50 pc. awhat percentage of the
As shown in the picture, air flows through a pipe. Heat is supplied to the airflow. The air at the inlet is 200kPa and 20 C with flow velocity of 5m/s. The exiting air is 180 kPa and 40 °C. The diameter of the pipe is 0.28 m. Determine (a) the volume..
steam exits a turbine with a mass flow rate of 2x105 kgh at a pressure of 0.008 mpa quality of 94 and velocity of 70
A rigid 15-L vessel initially contains a mixture of liquid water and vapor at 110 C with 11.2 qualities the mixture is then heated until the temperature is 155 C. Calculate heat transfer
Design a signal conditioning system to acquire and store an EGG bio potential. The bandwidth of interest is between 6 and 120 Hz and has peak amplitude of approximately +/-10 mV. Calculate the gain required to optimize you data acquisition into an AD..
ten kilograms of water in a pistoncylinder arrangement exists at saturated liquid and vapor at 100 kpa with a quality
a boy tosses a ball in the vertical direction off the side of a cliff. if the initial velocity of the ball is 15ms
a pistoncylinder .5 kg steel altogether maintaining a constant pressure has .2 kg r134a as saturated vapor at 150 kpa.
a natural gas-fired furnace in a textile plant is used to provide steam at 130 c. at times of high demand the furnace
what is the percent change in viscosity per degree celsius for a vg-32 mineral turbine oil at 10c? at 120c? what are
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