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1. A centrifugal pump provides a flowrate of 500 gpm when operating at 1750 rpm against a 200-ft head. Determine the pump's flowrate and developed head if the pump speed is increased to 3500 rpm
2. Use the data given in Problem 12.18 and plot the dimensionless coefficients CH, Cp, η versus CQ for this pump. Calculate a meaningful value of specific speed, discuss its usefulness, and compare the result with data of Fig. 12.18.
Assuming that the drive discussed in Example 14A is operating at an electrical rotor speed of 200 rad/s, compute the pole locations if the linearizing feedback terms are not used in making up the command voltages.
during this process heat is exchanged with surrounding such that the entire air remains at 30 degree celsius at all times.determine the heat transfer for this process.
Calculate the change in velocity required in changing the position of a satellite in an orbit by 90 degrees. The initial and final orbit is circular around the Earth with a 15000 km radius. Calculate the delta velocity, semi-major axis and period for..
Consider the heat transfer analog to the carburization problem. Sketch the mass and heat transfer systems. Show and explain the correspondence between variables. Provide the analytical solutions to the heat and mass transfer problems
a carnot heat engine receives 1200 kj of heat per cycle from a high-temperature source at 925degc and rejects heat to a
a submarine is cruising in the ocean at a depth of 320 m. salt water has a specific gravity of 1.03. determine the
Determine the bolt stiffness, the tube stiffness, and the joint constant C.
a system executes a power cycle while receiving 1000 kj by heat transfer at a temperature of 500 k ad discharging
a closed gas turbine unit uses neon as the working fluid. there are two stages of compression with intercooling from
Consider the situation of Problem 10.67 at relatively high vapor velocities, with a fluid mass flow rate of m = 2.5 kg/s. Determine the heat transfer coefficient and condensation rate per unit length of tube for a mass fraction of vapor of X = 0.2.
the upside-down steel a frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using
a cylinder of diameter 200mm and another of diameter 300mm are placed in a channel. If cylinder 2weights 800,1200N determine the reaction developed at contact point anf assume all contact surfaces are
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