Engineering, 06.12.2019 02:31, Jimenezmiranda
Air in a piston-cylinder assembly undergoes a process from state 1, where t1= 300 k, p1= 100 kpa, to state 2 where t2=500 k, p2=650 kpa. using the ideal gas model for air, determine the change in specific entropy between these states, in kj/kg*k, if the process occurs
a) without irreversibilities
b) with irreversibilities
Answers: 1
Engineering, 04.07.2019 18:10, qwertylol12345
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
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Engineering, 04.07.2019 18:20, krojas015
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
Engineering, 04.07.2019 19:10, gabigalvis1091
What is the main objective of using reheat rankine cycle?
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Engineering, 04.07.2019 19:10, jennymares
Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m
Answers: 1
Air in a piston-cylinder assembly undergoes a process from state 1, where t1= 300 k, p1= 100 kpa, to...
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