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A small Pelton wheel is used to power an oscillating lawn sprinkler as shown in Video V12.4 and Fig. P12.54. The arithmetic mean radius of the turbine is 1 in., and the exit angle of the blade is 135° relative to the blade motion. Water is supplied through a single 0.20-in.-diameter nozzle at a speed of 50 ft/s. Determine the flowrate, the maximum torque developed, and the maximum power developed by this turbine.
A process with Gp= 2/(2s+1) and Gd=1/(2s+1) experiences a disturbance step change of magnitude 5. The SP remains constant. If a P-controller alone with Kc=1 is used and Ga=Gs=1, then what is the output variable, delta Y(t) versus time?
Estimate average values of the fin heat transfer coefficients for free convection (hc) and radiation exchange (hr). Use these values to predict the tip temperature and fin effectiveness
The coefficient of friction is 0.3 and the speed of pulley is 1200 rpm. If the maximum allowable tension in the belt is 550N, calculate the maximum torque and the maximum power
At what angular position must mass be removed from the rotor in order to improve its balancing?
find a cylindrical container that is large enough that it takes at least one minute to drain you may have to create an
Draft a designfor an activated sludge process operating as a CSTR based on the following Monod kinetic parameters
The motorcycle has a mass of 0.5 Mg and a negligible size. It passes point A traveling with a speed of 15 m/s , which is increasing at a constant rate of 1.5 m/s . Determine the resultant frictional forcce exerted by the road on the tires at this ..
a cylindrical storage tank contains liquefied propane under a pressure of 1.5 mpa at a temperature of 388c. knowing
Calculate the Gibbs free energy change of a rubber band stretched to 5 times its original length with concurrent contractions in its other two dimensions of 2.24 times at 25 C. The number of rubber molecules per unit volume, N, for a typical rubber i..
The truss shown carries a moving uniform live load of 3 kips/ft and a moving concentrated live load of 20 kips along its top chord. What is the maximum force in member Bb
an insulated vertical piston-cylinder device initially contains 10 kg of water 8 kg of which is in the vapor phase. the
the temperature of the air at the exit, in 8F
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