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Air is adiabatically compressed in a non flow process from a pressure of 14.7 psia and a temp of 70 deg to 200 psia and 350 deg. if the Cv of the air is 0.171 btu/lbm R, determine the change in specific internal energy of the air and the work done.
An engineer insists that a component is fully constrained with 0 DOF because 2 plates are bolted together with 4 screws (assuming one of the 2 plates is considered "grounded"). Is he / she correct? Explain why or why not using concepts discuss..
air at the rate of 18 kgs is drawn into the compressor of a jet engine at 55 kpa and -23oc and is compressed reversibly
a cam is to be desinged for an automated part loader.using the motion equationsconstruct a chart that tabulates
a flywheel can be considered as being composed of a thin disc and a rim. the rim weighs 322 lb and has diameters of 24
tow forces p and q are applied as shown at a point a of a hook support. knowing that p 75 n and q125 n determine
At what location s will the combined moment of the weights of the man and platform about point B be zero.
If a person and a wheelchair have a mombined weight of 185 lb how much ideal effort force is required to travel up the ramp? Can you just explain to me what equation I need for this?
a residential development is proposed in the eastern part of new territories hong kong. the development consists of 5
it is desired to design a system to keep a 1-million-galon capacity water tank filled. the plan is to use a centrifugal
steam enters an adiabatic turbine at 8 mpa and 520 degc with a volumetric flow rate of 0.8 m3s and exits at 30 kpa. the
a 1.5 hp motor is operarating in a room with air t of 20 c. the motor has an efficency of 78. the motor gives off heat
What is the work you get out of each kJ of heat extracted from the basin? Repeat for the case that the water is at 100C. Comment on why efficient car engines run so hot.
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