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1. Air enters an insulated turbine at 50?C and exits the turbine at -30?C, 100 kPa. The isentropic turbine efficiency is 70% and the inlet volumetric flow rate is 20 L/s. What is the turbine inlet pressure and the turbine power output?
2. Carbon dioxide enters an adiabatic compressor at 100 kPa, 300 K and exits at 1000 kPa, 520 K. Find the compressor efficiency and the entropy generation for the process.
Determine whether or not the truss structure is statically determinate, giving your reasoning. Identify which members in the truss are in tension and which are in compression. Calculate the axial forces in members BD and CD, stating clearly whether ..
The specific heat (C sub p) of aluminum is 0.214 calories per gram degrees Celsius (0.214 cal/g-C). If a cube of aluminum with a mass of 13.6 kg exhibits a change in temperature of +30 degrees Celsuis, what is the resultant thermal energy
A nearly horizontal, 12 ft wide rectangular channel carries 60 cfs at a depth of 3 ft. the width of the channel is smoothly contracted to 6 ft at the downstream section. (a) determine if the flow will choke and both the downstream and upstream water ..
list the order in which the components would be assembled. Is the system glazed from inside the building or outside? How can you tell?
The two outer bars (material A) are identical. The cross- sectional area of the middle bar (material B) is 31.544% larger than the cross- sectional area of one of the outer bars. Also, the modulus of elasticity of material A is twice that of mater..
The design parameters are: • Q = 65 m3/d, • Wetland area (A) = 0.23 hectares (2,300 m2) (including the safety factor), • Aspect ratio = 8:1 • Average water depth (d) = 0.5 m • Bed slope = 1% (0.01 m/m) Given that the Manning's resistance factor
A bar is under uniform axial loads. AB is 1 foot and has a area of .5 in^2 and BC is 1 foot and has an area of .3 in^2. AB has a 1000lb force putting it under tension and BC has a 500lb force putting it under compression. Find stresses in AB and BC a..
A pipeline 1200ft long and 8in. in diameter hasat its inlet point 75ft of available hydraulic energy with respectto the reference level. The velocity in the pipe is 5fps; thepressure at its end is 12psi.
After drawing a free body diagram, how do you determine what the forces are in the Ax, Ay directions, etc. without being given any numbers
Using the software 2DFlowPlus, investigate the flow pattern resulting by addition of one source (strength +5) at (X = +3, Y = 0) and one sink (strength -5) at (X = -3, Y = 0) in an uniform flow (V∞ = 1). Plot the pressure and velocity field. Where..
A room in a single-story building has three 2.5 x 4 ft double-hung wood windows of average fit that are not weather-stripped. The wind is 23 mph and normal to the wall with negligible pressurization of the room.
A conical tube of length 8 m fixed vertically with its smaller end upwards. The velocity head and pressure head at upper ends are 1.27 m and 2.50 m respectively. The velocity head and pressure head at lower ends are 0.203 m and 5.407 m respectivel..
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