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A Steel beam is supported on eachend by columns in a building. The beam is designed tohold a 10kN heating unit at mid span. There are no other loads onthe beam. Using G40.21 350W steel, select the lightest W shapes forthe beam. Assume there is full lateral support. Consider Moment, Shear and Deflection. The beam is simplysupported. If the heating unit hangs as shown in the drawing willthe beam be able to bear the load?
Sometimes driving your car on a hot day, you may encounter a problem with the fuel pump called pump cavitation. What is happening to the gasoline. How does this affect the operation of the pump.
A pump has the following pump curve is pumping at a rate of 5000gpm. Calculate (a) the total head the pump is pumping against. (b) brake horsepower required to drive the pump.
A motorcycle starts from rest at time t=0. The force on it from t=0to 30 seconds is F=300-9t. The combined mass of the motorcycle andthe rider is 225 kg.
Consider the flow of a gas between two parallel plates. If there were an increase in temperature due to heat transfer along the flow direction, the gas density would decrease. Assume the viscosity is unaffected.
Two different fluids flow over two identical flat plates with the same laminar free-stream velocity. Both fluids have the same viscosity, but one is twice as dense as the other. What is the relationship between the drag forces for these two plates
A completely reversible air conditioner provides 21,000Btu/h of cooling for a space maintained at 81degF while rejecting heat to the environmental air at 91degF.
Q. Briefly explain the purpose of the International Space Station, and list the name of all space agencies involved in building and operating it. When is the assembly of the station expected to be completed? Include the name and the expected date ..
A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening? The gate is 30m wide.
A foot valve for a pneumatic systemis hinged at B. Knowing that a=28degrees, determine the moment of the l6-N force about point B by resolvingthe force into horizontal and vertical components
suppose we have a 100-volt battery connected with a 100-ohm resistance. The current is then 100/100=1 amp. how much power is produced. if we double the voltage, what will the current be and what will the power be.
Cars arrive at a toll gate on a freeway according to a Poisson distribution with mean 90 per hour. Average time for passing through the gate is 38 seconds. Drivers complain of the longwaiting time.
A film of newtonian liquid folws down the outside surface of avertical cylinder of radius R. the flow is steady, laminar and the thickness of the film is constant.
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