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The open-ended polyvinyl chloride pipe has an inner diameter of 4 in. and thickness of 0.2 in. It carries flowing water at 57psi pressure. If the flow of water within the pipe is stopped due to the closing of a valve, determine the state of stress in the walls of the pipe. Neglect the weight of the water. Assume the supports only exert vertical forces on the pipe. (Picture is a horizontal pipe on 6 supports)
The hydraulic cylinder BD exerts on member ABC a force P directed along line BD. Knowing that P must have a 750-N component perpendicular to member ABC, determine (a) the magnitude of the force P, (b) its component parallel to ABC.
Air is compressed adiabatically from p1 = 100 kPa, T1 = 300 K to p2 = 1500 kPa, v2 = 0.1227 m3 /kg. The air is then cooled at constant volume to T3 = 300 K. Assuming ideal gas behavior and neglecting kinetic and potential energies, calculate the work..
a 4-in. diameter disk shown weighs 10 lb. the disk is released at rest when theta30 degrees and rolls down the curved
nitrogen gas is flowing in a 50mm diameter pipe at the rate of 0.05kgs. the nitrogen flows through a partially closed
a mass of 1 kg attached to a spring with a spring constant of 112 nm oscillates horizontally on a smooth frictionless
air at mass flow rate of 10 kgs at 1 atm 300 k point1 enters an adiabatic compressor and exists at 8 atm 600 k point 2.
a pressured air supply is needed to generate a 1200-lb load. the incoming air is 100 psig. the load must be raised at a
ten grams of liquid water at 95 c are contained in the insulated container shown. the pin holding the frictionless
consider a thermal energy reservoir at 1000 k that can supply heat at a rate of 100000 kjh. determine the exergy of
A gas turbine engine has a pressure ratio of 10, and the intake air is at 90 kPa and 280K. Both the compressor and turbine have an isentropic efficiency of 100% and a regenerator with an effectiveness of 0.8 is used. The highest temperature in the cy..
An insulated rigid tank contains a saturated liquid-vapor mix of water initially at a pressure of 100 kPa. The mass of the mixture is 5 kg, but only 75.6 % of the total mass is liquid. An electric resistance heater is turned on within the tank until ..
a power generator burns natural gas consisting of 30 ethane 60 methane and the balance nitrogen. the gas undergoes
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