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Air enters an adiabatic nozzle steadily at 300 kPa, 200°C,and 28 m/s and leaves at 100 kPa and 168 m/s. The inlet area of the nozzle is 90cm2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit areaof the nozzle.
A 15cm cube of mass 3kg is lubricated with SAE 10 oil at 20oC (dynamic viscosity of 0.104Ns/m2) slides down a 10o inclined plane at a constant velocity. Estimate the speed of the body if the oil film has a thickness of 2mm and the velocity distrib..
water is the working fluid in an ideal regenerative rankine cycle with one open feedwater heater. steam enters the
2. a certain production process produces two parts a bearing and a shaft. in the final assembly the shaft and the
A rigid bar of mass m and length L is released from rest in the horizontal position. What is the rod's angular velocity when it has rotated through 90°?
a building has a total heating load of 200000 btuhr. the sensible heat factor for the space is 0.8 and the space is to
A rigid tank contains water vapor at 200 degrees celcius and unknown pressure. When the tank is cooled to 150 degrees celcius, the vapor starts condensing. Estimate the initial pressure in the tank.
what four processes make up the ideal otto cycle? what is happening in an actual engine during the real processes that
You want to know if you should replace the existing machines, which has a Cpk of 1.0. You decide to determine the Cpk for the new machines and make a decision on that basis.
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
the 2.4m wide portion abcd of an inclined cantilevered walk-way is partially supported by members ef and gh. knowing
Prepare a report on the various types of methods available in Australia to protect intellectual property - The strategy's main items should include what to protect, what countries to protect it in, how to protect it, and when to seek protection
a gear reduction system consists of three gears a b and c. gear a starts from rest at time t0 and rotates clockwise
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