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1. An 85 percent-efficient pump is used to increase the pressure of water in a 10-cm-diameter pipe from 120 to 800 kPa. What is the required horsepower of the pump for a flow rate of (a) 0.015 m3=s, (b) 20 L=s, and (c) 4000 gal/h?
2. A 90 percent-efficient turbine accepts water at 400 kPa in a 16-cm-diameter pipe. What is the maximum power output if the flow rate is (a) 0.08 m3=s, (b) 0.06 m3=s, and (c) 0.04 m3=s? The water is emitted to the atmosphere.
three wires are made of the following materials. one wire is pure al. one wire is pure cu. one wire is pure ni. which
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km.a. what is
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If an automobile's braking distance from 100 km/h is 60 m on level pavement, determine the automobile's braking distance from 100 km/h when it is (a) going up a 60 incline, (b) going down a 2-percent incline.
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A Crate containing 40 bricks, each of mass 1.3kg, is placed on a storage framework as shown. Calculate the reaction force in each of the supports A and B. Calculate the moment of the force exerted by the crate around support A and the moment of the f..
what pressure is needed to isothermally compress ice initially at -5c and 1 bar so that it changes phase? i dont even
ii. Derive a relationship between time t and the velocity V. iii. Derive a relationship between displacement D and the velocity V.
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
a shaft is subjected to bending and torsion such that the bending stress on the surface is 80 mpa and the shear stress
describe the linear branched crosslinked and network molecular chain formations in polymers. by comparing i ldpe with
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