5-2.In fuel cells，the water is produced in which side?
举一反三
- Which of the following functions is not provided by the fuel supply unit?_____ A: Heating B: Filtration C: Remove large amount of water from fuel D: Pressurization
- Which of the following description about islet hormones is correct? A: Pancreatic alpha cells produce glucagon B: Pancreatic beta cells produce insulin with low glucose C: Somatostatin produced by pancreatic delta cells enhances insulin secretion D: Somatostatin produced by pancreatic delta cells enhances glucagon secretion E: Insulin can pass through the plasma membrane
- A fuel cell is a device that produces electricity from chemical fuels, in just one step. Unlike batteries, fuel cells don’t run down or need recharging. As long as there is a constant source of fuel and oxygen, fuel cells will continue to generate power.
- If there is nitrogen oxide in the smoke produced by the ship, it will lead to the generation of photochemical smoke, acid rain, etc. Which of the following measures can not reduce the nitrogen oxide content in the smoke?_____ A: Add water to fuel B: Recycle part of exhaust gas C: Using SCR D: Burning heavy oil
- Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（） A: Water discharging from the water outlet of the lube oil purifier B: Fuel oil discharging from the water outlet of the lube oil purifier C: Lube oil discharging from the water outlet of the lube oil purifier D: A change in the lube oil viscosity