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Ethane (C2H6) at 20°C and 200 kPa and methane (CH4) at 45°C and 200 kPa enter an adiabatic mixing chamber. The mass flow rate of ethane is 9 kg/s, which is twice the mass flow rate of methane. Determine (a) the mixture temperature and (b) the rate of entropy generation during this process, in kW/K. Take T0 = 25°C.
A liquid has the peculiar property that its mass density increases linearly with depth according to the expression p = p_water (1+0.01d) where d is the depth below the liquid surface in meters.
a layer of clay, 5m thick, overlies a deposite of sand, 5m thick, which is underlaid by rock. the water table in the sand is sub-artesian with a level at 2m below fround level. the saturated unit weights of the clay and sand are 21 and 16 KN/m^3 r..
Find the minimum length of runway required for the landing (I found to be 300ft). Find the position on the runway where the speed is 50ft/s and the time it takes for the speed to reach 50ft/s
A 50-ohm electrical resistor carries a current of 5 amperes. The resistor is maintained at a temperature of 30o C. Determine the rate at which heat must be transferred to the surroundings
Calculate the resistance coefficient K for a ball-type check valve placed in a 2-in schedule 40 steel pipe carrying 650 gal/min of oil (sg = 0.90)
A distance is measured with an EDM having the instrument /reflector offset constant set to 0mm. The slope distance is reported as 2435.672 m with a zenith angle reading of 90 degrees 34 minutes and 05 seconds.
Calculate the pressure inside a 2-mm diameter bubble of water at 20°C and compare with the pressure inside a 2-mm diameter droplet of water at 20°C.
How do you determine the correct number of significant figures to use for each distance measurement? Be specific.(pacing,EDm, GPS and tape), Which measurement method would you choose to determine the square footage of your house? Why would you choos..
Three loads are applied to a beam. the beam is supported by a roller at A and by a pin at B. neglecting the weight of the beam, determine the reaction at A and B when P=15kips.
In an oedometer test, the void ratio of a clay sample changed from 1.62 to 1.41 as the vertical effective stress imposed on the sample was increased from 100 kPa to 200 kPa. Later on, the vertical effective stress on the sample was decreased
Steam enters an adiabatic turbine steadily at 3 MPa and 300 *C and leaves at 70 Kpa and 100 *C. If the power output of the turbine is 2 MW, determine a) the isentropic efficiency of the turbine and b) the mass flow rate of the steam flowing throug..
A 40-mm-diameter jet has a velocity of 25 m/s. If this jet were to strike a large flat plate normally, what would be the resultant force on the plate?
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