subject
Engineering, 24.12.2019 04:31 2021ehays

Agasoline truck engine takes in 10,000 j of heat and delivers 2000 j of mechanical work per cycle. the heat is obtained by burning gasoline with heat of combustion

(a) what is the thermal efficiency of this engine?
(b) how much heat is discarded in each cycle?
(c) if the engine goes through 25 cycles per second, what is its power output in watts? in horsepower?
(d) how much gasoline is burned in each cycle?
(e) how much gasoline is burned per second? per hour?

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
question
Engineering, 04.07.2019 18:10
The flow rate of air through a through a pipe is 0.02 m5/s. a pitot static tube is placed in the flow. the radius of the pitot static tube is 1 mm. assuming the flow to be steady and the air to be at 300k, calculate the difference in total and static pressure if the diameter of the pipe is: (a) d 0.1 m d 0.05 m (c) d 0.01 m
Answers: 2
question
Engineering, 04.07.2019 18:20
Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]
Answers: 1
question
Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
Answers: 3
You know the right answer?
Agasoline truck engine takes in 10,000 j of heat and delivers 2000 j of mechanical work per cycle. t...
Questions
question
Mathematics, 23.06.2019 02:30
Questions on the website: 13722367