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Helium at 70.0°F enters a 3.00 ft3 rigid tank that is filled to a final pressure of 2200. psia.
Assuming the tank is initially evacuated and that the helium behaves as an ideal gas with constant specific heats, determine the amount of entropy produced when the tank is filled (a) adiabatically and (b) isothermally at 70.0°F.
A plumbing fixture outlet is 18 ft above the water service line. Pressure available at the water service is 80 psi. Determine the change in pressure from elevation.
What are the two general mass and energy balance equations, written in rate form, and when is it appropriate to use this form? What are the two general mass and energy balance equations, written in magnitude (finite difference) form and assuming unif..
A pipe transports water in a 4-cm-diameter pipe with an average velocity of 10 m/s. The pipe undergoes a 90 degree bend and exits out a 2-cm-diameter nozzle. Assuming no friction losses in the bend, the total force of teh water on the bend is nearest..
calculater the size of air reciever required to supply air to a pneumatic system using 100 scfm of air for 15 minutes
two blocks of rubber with a modulus of rigidity g 5 12 mpa are bonded to rigid supports and to a plate ab. knowing that
determine the tension developed in each cord required for equilibrium of the 21- kg lamp. determine the tension
Premium-quality racing bikes (such as Tour De France models) have used one-piece carbon-fiber composite frames (i.e. no joints at all!). What is the benefit of such a design?
a three-blade wind turbine has a rotor diameter of 100 meters and a hub height of 80 meters. if wind power at this site
Determine the power developed, the total percentage fluctuation of speed and the angular acceleration of flywheel when the crank has rotated thro' an angle of 600 from the Inner dead centre
The disk has mass m, radius r and moment of inertia IG = mr2/2. The spring constant is k = mg/r. Find the velocity of the centre of the disc as a function of x
Determine the temperature of the water at this pressure.
a 200-lb bungee jumper jumps from a bridge 130 ft above a river. the bungee cord has an unstretched length of 60 ft and
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