Engineering, 17.05.2021 21:10 xjuju1030

Which statement best describes a hydrogen fuel cell? ОА. .
This device uses bioethanol as an additive to power an automobile.
OB. This device uses photovoltaic cells to capture solar energy and generate electrical energy from it.
OC. This device uses fossil fuels to generate heat energy that machines can then convert into mechanical energy.
OD. This device converts the chemical energy of hydrogen into electricity through a chemical reaction with oxygen or another
oxidizing agent.
OE. This device converts the kinetic energy of an electric turbine into electricity based on Faraday's law.
Reset
Next

Answers: 3

Show answers

Another question on Engineering

Engineering, 04.07.2019 16:10

An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)

Answers: 2

Answer

Engineering, 04.07.2019 18:20

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives

Answers: 2

Answer

Engineering, 04.07.2019 19:10

Plan an experiment to measure the surface tension of a liquid similar to water. if necessary, review the ncfmf video surface tension for ideas. which method would be most suitable for use in an undergraduate laboratory? what experimental precision could be expected?

Answers: 2

Answer

Engineering, 04.07.2019 19:10

The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]

Answers: 3

Answer

You know the right answer?

Which statement best describes a hydrogen fuel cell? ОА. .
This device uses bioethanol as an...

Questions