Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen ?
- (a)Hydrogen peroxide
- (b)Hydronium
- (c)Oxygen
- (d)Water vapour
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Official answer(d) Water vapour
Other questions on Energy
Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following ?
- (a)Irrigation of terraced crop fields
- (b)Lift irrigation of cereal crops
- (c)Long duration energy storage
- (d)Rainwater harvesting system
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Official answer(c) Long duration energy storage