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Water is pump from a lake to a storage tank at 18m above at a rate of 70 L/s while consuming 20.4 kW of electric power. disregarding any frictional losses in the pipes and any change s in kinetic energy, determine (a) the overall efficiency of the pump-motor unit
The car travels up the hill with a speed of v = (0.4s) m/s, where s is in meters, measured from A. Determine the magnitude of its acceleration when it is at point s = 50 m, where p = 500 m.
Also, compare with the efficiency of an Otto cycle operating with the same maximum pressure.
The school cafeteria has found that they go through 9 sandwiches for every 6 tickets they sell to the students. Today they have 558 sandwiches available. How many lunch tickets can they sell today?
write an appraisal of mathcad including a comparison with mathlab. describe another feature of mathcad, giving examples of how it can be used.
Design a control system for an annealing furnace - Please describe any auxiliary equipment that needs to be considered. MEE 30002 Control Engineering
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.
Air at 250 kPA and 15C is being forced into a tire, which has a volume of 0.5m^3, at a velocity of 60 m/s through a 6 mm opening. Find the rate of change of the density in the tire.
explain temperature change (not conversion) is calculated from Celcius to Fahrenheit to Kelvin.
xerted on the shaft shown in the figure, which rotates at 1150 rev/min and supports a 10-kip bending force. Use a 1095 HR steel. Specify a diameter d using a design factor of nd = 1.6 for a life of 3 min. The surfaces are machined.
find (a) the power rating of the electric heater and (b) the temperature rise that the air experiences each time it passes through the heater.
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
Calculate the specific enthalpy at the compressor outlet. Include in your calculations the changes in kinetic and potential energy.
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