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Consider a sealed can that is filled with refrigerant-134a at 20°C. Now a leak develops, and the pressure in the can drops to the local atmospheric pressure of 80 kPa. What is the temperature of the refrigerant in the can when the pressure drop is complete?
Prove that if k varies linearly with T in a slab, and if heat transfer is one-dimensional and steady, then q may be evaluated precisely using k evaluated at the mean temperature in the slab.
How to prepare a drawing in first angle projection and third angle projection and what is their basic principle and we do not make drawing in 2nd angle projection and 4th angle projection.
Air is compressed by an adiabatic compressor from 95 kPa and 27°C to 600 kPa and 277°C. Assuming variable specific heats and neglecting the changes in kinetic and potential energies, determine (a) the isentropic efficiency of the compressor and (b) t..
a system has an initial volume of 10 ft3 and expands to a final volume of 20 ft3. the initial pressure is 14.7 psi.
a hot water stream at 80o c enters a mixing chamber with a mass flow of 0.5 kgs where it is mixed with a stream of cold
A quick return mechanism is to be designed with a time ratio=1.22 and a cycle time of 0.2sec. What is the required crank speed (rad/s)? What are theta 1 and theta 2?
based on inernal energy considerations what dislocation density in cu is needed to make the crystalline form of cu
Write a MATLAB program that takes an input of the stress state in 3D. The program should Create the stress tensor. Calculate the principal normal and shear stresses by solving the Eigen value problem.
A rigid 12L vessel initially contains a mixture of liquid water and vapor at 120C with 15.0 percent quality. The mixture is then heated until its temperature is 155C. Calculate the heat transfer required for this process.
a thermoelectric device cools a small refrigerator and discards heat to the surroundings at 25c. the maximum electric
1 youngs modulus for aisisae 1045 steel is 29.0 x 10 6 psi and its poissons ratio is 0.32. what are its shear and bulk
hot water flows through a pvc k.092 wmk pipe whose inner diameter is 2 cm and outer is 2.5 cm. the temperature of the
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