Q. The central shaft in a flywheel energy storage device rotates on two magnetic bearings.

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Q. How does a flow battery energy storage work?

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Q. Which of the following are used for large scale battery energy storage?

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Q. Which of the following best indicates the flow diagram of power generation mode in compressed air energy storage?

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Q. Which of the following best indicates the flow diagram of storage mode in compressed air energy storage?

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Q. What is a major disadvantage with pumped hydro-electric system?

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Q. Which of the following is an application of pumped hydro-electric storage?

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Q. How does pumped hydro-electric storage work?

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Q. Efficiency of pumped hydro-electric storage is in the range of _________

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Q. Which of the following have large power (>50MW) and storage capacities (>100MWh)?

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Q. What is memory effect?

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Q. What is charge-to-discharge ratio?

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Q. What is depth of discharge?

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Q. Capacitors store energy in the form of ________

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Q. Which of the following parameters are used to describe rechargeable batteries?

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Q. When does a power conversion system act as an inverter for an energy storing device?

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Q. When does a power conversion system act as a rectifier for an energy storing device?

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Q. Flywheels are an example of ________ energy storage.

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Q. What type of materials are used for latent heat storage?

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Q. Pumped hydroelectric is an example of _________

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