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Air flows from a tank maintained at 5 MPa absolute and 20°C. It exits a hole and reaches a pressure of 500 kPa absolute. Assuming an adiabatic, quasi-equilibrium process, calculate the exiting temperature.
Draw the Mohr's circle for this stress state, deterrnine the principal stresses and the angle of the principal direction to the x-axis and determine the maximum shear stress.
A refrigerator uses a R-134a as the working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.12 and 0.7 MPa. The mass flow rate of the refrigerant is 0.05 kg/s.
the composite shaft consists of three sections 1 a solid brass core 2 a middle steel tube and 3 an outer aluminum tube.
A novel general method is proposed for the computation of the equivalent Mohr-Coulomb (EM-C) parameters to conduct the elastoplastic analysis of rock mass governed by the generalized Hoek-Brown (GH-B) failure criterion.
For what value of m will resonance occur for an unhampered spring-mass system with spring constant k at 3x10^5 N/m under a harmonic excitation f(t)=200sin(50t)?
the wheel in fig. 10-27 has eight equally spaced spokes and a radius of 30 cm. it is mounted on a fixed axle and is
The tube diameter is 2 mm, and the rate of draining is found to be 1.9 cm3 /s. What is your estimate of the fluid viscosity? Is the tube flow laminar?
the city of houston has a water filtration system that consists of a large rigid tank with a single 1.5m diameter inlet
What is the compressor's steady state response when a 30kg absorber with a stiffness of 1.3*10^5 N/m is added to the end of the beam? Please determine how to change the absorber to minimize the response of the beam.
a ball is thrown so that the motion is defined by the equations x5t and y26t-4.9t2 where x and y are expressed in
An evacuated 1-ft3 tank is connected by a valve to a nitrogen supply line flowing air at 120 psi and70oF. A valve is opened allowing air to flow into the tank until the pressure reaches 90 psi. How much mass flowed into the tank and what is its final..
the alaska pipeline in the chapter-opener photo has a design flow rate of 4.4e7 gallons per day of crude oil at 60 deg
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