I need help. my assignment is due in 3hrs
...
Answers: 1
Another question on Engineering
Engineering, 04.07.2019 18:20
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Engineering, 04.07.2019 19:20
Air at a pressure of 1atm and a temperature of 40 c is in parallel flow over the top surface of a flat plate that is heated to a uniform temperature of 120 c. the plate has a length of 0.40m (in the flow direction) and a width of 0.15m. the reynolds number based on the plate length is 50, 000. what is the rate of heat transfer from the plate to the air? if the free stream velocity of the air is doubled and the pressure is increased to 10 atm what is the rate of heat transfer?
Answers: 2
Engineering, 04.07.2019 19:20
Asimple speed reducer is composed of 2 spur gears. the pinion gear has a pitch diameter of 0.75" and 36 teeth while the driven gear has a pitch diameter of 4.0" and 192 teeth. a)-what is the diametral pitch of each gear? b)-if an electric motor rotating ccw at 3000 rpm is coupled to the pinion, what is the rotational speed of the driven gear? c)-if the torque delivered to the pinion is 1 n-m, what is the torque on the driven gear? d)-what is the power transmitted by the gear train?
Answers: 1
You know the right answer?
Questions
Health, 02.09.2019 12:10
French, 02.09.2019 12:10
Social Studies, 02.09.2019 12:10
Mathematics, 02.09.2019 12:10
Chemistry, 02.09.2019 12:10
Social Studies, 02.09.2019 12:10
Mathematics, 02.09.2019 12:10
Biology, 02.09.2019 12:10
Chemistry, 02.09.2019 12:10
Mathematics, 02.09.2019 12:10
Biology, 02.09.2019 12:10
Social Studies, 02.09.2019 12:10
Mathematics, 02.09.2019 12:10
History, 02.09.2019 12:10
