subject
Engineering, 09.12.2021 03:00 juanchylj

An electric resistance heater is embedded in a long cylinder of diameter 30 mm. When water with a temperature of 25 oC flows crosswise over the cylinder, the power per unit length required to maintain the surface at a uniform temperature of 90 oC is 28 kW/m. (a) Determine the heat flux through the cylinder surface. (b) Determine the convection heat transfer coefficient.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 03.07.2019 15:10
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
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 drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false
Answers: 1
question
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
Answers: 2
You know the right answer?
An electric resistance heater is embedded in a long cylinder of diameter 30 mm. When water with a te...
Questions
question
Biology, 17.11.2020 04:40
question
History, 17.11.2020 04:40
Questions on the website: 13722363