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A pump is used to move water from a lower reservoir to an upper reservoir. The water surface elevation in the upper reservoir is 30 meters above the water surface elevation in the lower reservoir. The pipe is steel , 1000m long , with a diameter of 400mm. The flow rate 5.4 cubic meters per minute. The pump efficiency is 60%. Ignore minor losses. Determine the shaft power of the pump in kilowatts.
Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ h-1. Determine the exergy of this supplied energy, assuming an environmental temperature of 25 oC.
A 782 pound 4WD vehicle is designed to clime a 16 degree ramp. What is the minimum acceptable coefficient of friction between its tires and the ramp surface?
A 90N force is applied to control rod AB as shown. Knowing the length of the rod is 225mm, determine the moment of the force about point B by resolving the force into components along AB and in direction perpendicular to AB?
how many grams of Na3PO4 will be needed to produce 250 mL of a solution of a solution that has a concentration of Na+ ions of 1.5 M.
a particle which moves with curvilinear motion has coordinates in meters which vary with time t in seconds according to
in an air-standard otto cycle the air at the beginning of the compression stroke is at 95 kpa and 22 degrees c and the
the manometer shown above in problem 1 above contains water and kerosene. with both tubes open to the atmosphere the
Two equal masses are connected on either side of a pulley. One of the masses rests on an inclined plane with angle of inclination of b. The other one hangs in mid air.
a horizontal cantilever of length l supports a load w uniformly distributed along its length. the cantilever is proped
a shaft is to be designed to support the spur pinion and helical gear shown in the figure on two bearings spaced 700 mm
a 600 mm diameter wheel rolls without slipping on a horizontal surface as shown. rod ab is attached to the wheel at a
If the ramp height is 2ft. Using the ada code, what is the allowable minimum length of the ramp?
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