Engineering, 11.10.2019 05:20 jimena15
An ideal otto cycle has a compression process ratio of 10, and a maximum volume of 0.4l. at the beginning of he compression process, the air is at 100 kpa and 40oc, and the maximum temperature in the cycle is 2100 k. assuming variable specific heats for air, determine: (a) the amount of heat supplied per cylinder, (b) the thermal efficiency, and (c) the number of revolutions per minute required for a net power output of 11 kw.
Answers: 3
Engineering, 04.07.2019 18:10
An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet
Answers: 3
Engineering, 04.07.2019 18:20
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 18:20
Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?
Answers: 1
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
An ideal otto cycle has a compression process ratio of 10, and a maximum volume of 0.4l. at the begi...
Chemistry, 14.06.2020 20:57
History, 14.06.2020 20:57
Mathematics, 14.06.2020 20:57
English, 14.06.2020 20:57
Mathematics, 14.06.2020 20:57
History, 14.06.2020 20:57
Mathematics, 14.06.2020 20:57
History, 14.06.2020 20:57
Mathematics, 14.06.2020 20:57
Physics, 14.06.2020 20:57