Engineering, 15.04.2020 00:58 kyao3393
An escalator handles a steady load of 26 people per minute in elevating them from the first to the second floor through a vertical rise of 27.5 ft. The average person weighs 124 lb. If the motor which drives the unit delivers 3.8 hp, calculate the mechanical efficiency e of the system.
Answers: 3
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
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Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
Answers: 3
An escalator handles a steady load of 26 people per minute in elevating them from the first to the s...
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