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Assume a fire truck can shoot water from an onboard tank; there is no inflow of water into the tank. What force must a truck engine produce to keep the truck stationary while the fire hose shoots a jet at 45 degrees at a volume flow rate of 2.4 m3/s at 10 m/s? Draw a sketch of the fire truck and its jet and then an appropriate control volume/surface for this problem. Express your answer in both Newtons and pounds. Assume the water is at 15 C.
a cyclic steam power plant is to be designed for steam temperature at inlet of 360 and an exhaust pressure of 0.08 bar.
the combustion chamber on a jet has air entering at 2 kgs and fuel enters through a fuel injector at .07 kgs. determine
water is pumped from a lower reservoir to a higher reservoir by a pump that provides 15 kw of shaft power. the free
calculate the enthalpy change of the universe during the process. Cp=Cv = 4.18 kj/kgK
determine whether the force and couple system shown can be reduced to a single equivalent force r. if it can determine
a mixture of co2 containing 20 percent solid by mass 20 percent liquid and 60 percent vapor enters a pipe and emerges
a 100 pound ball is suspended from a wall by a rope that is pulled asided by a horizontal rope B and held so that rope A makes a angle of 30 degrees with the vertical wall. Find the tension in ropes A and B?
a hole in an aluminum roof panel is 2.748 cm2 in area at 0.000degc. what is the magnitude of the change to its area
an accident at a nuclear power plant causes the main valves to close and stop the main water flow that cools the
An unsuited free diver can work in a pressure of up to 490KN/m^2 and a suited diver in pressure of up to 1815 KN/m^2. Calculate the maximum depths at which they might work in sea-water which has a specific gravity of 1.03.
an elevator is created by using a hose hanging from the top of a 10 m building. the hose is diverted into 4 jets at the
a 600 mw steam power plant operates on a simple rankine cycle. steam enters the turbine at 40 mpa and 500oc and is
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