![Engineering](/tpl/images/cats/User.png)
Engineering, 22.08.2020 20:01, natalyarenassalgado
a machine is supplied energy at a rate of 4000w and does useful work at a rate of 3760w whats the efficiency of the machine
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Engineering
![image](/tpl/images/cats/User.png)
Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
![image](/tpl/images/cats/User.png)
Engineering, 03.07.2019 15:10, margaret1758
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
Answers: 1
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, viicborella
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Do you know the correct answer?
a machine is supplied energy at a rate of 4000w and does useful work at a rate of 3760w whats the ef...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/es.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 14:00
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/ap.png)
Advanced Placement (AP), 13.01.2021 14:00
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.01.2021 14:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)