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A diffuser is a device that the flow of air in order to recover a pressure loss. For the diffuser shown in the attached image, Find the mass flow rate and the average velocity of the air at the exit of the diffuser. For air, let density = 1.194 kg/m^3.
1. the contraption below has a face cam with an elliptic pro?le pushing a push rod against a spring. the face cam is
a steel plate which is 1.5 m by 1.5 m and 30 mm thick is lifted by four cables attached to its corners that meet at a
a helicopter is ascending vertically with a speed of 5.78. at a height of 121 above the earth a package is dropped
an air conditioning system is used to maintain a house at 20 degrees celcius when the outside temperature is 35 degrees
determine the resultant internal normal force acting on the cross section through point of the signpost. the post is
an elastic exercise band is grasped and then is stretched. knowing that the tension in portion de of the band is 70
A gasoline engine is modeled as an Otto cycle. It has at temperature and pressure at the beginning of compression of 10°C and 90 kPa. The compression ratio is 7 and the specific energy added to the air during the heat addition process is 1432.46 ..
a pistoncylinder .5 kg steel altogether maintaining a constant pressure has .2 kg r134a as saturated vapor at 150 kpa.
a spring loaded device imparts an initial vertical velocity of 50 ms to a 0.15 kg ball. the drag force on the ball is
What is the composition of the last solid remaining prior to complete melting?
Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ h-1. Determine the exergy of this supplied energy, assuming an environmental temperature of 25 oC.
liquid water is cooled at a constant pressure of 200 kpa in a piston-cylinder device from a temperature of 110 degc to
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