OH_Quiz1

1. What is one primary benefit of wave energy as a renewable energy source?

• It is only effective in deep-sea locations

• It produces a high amount of emissions

• It has a high energy density compared to other renewables

• It requires a large amount of fuel to operate

1. Which type of wave energy converter uses a ramp to direct wave energy into a reservoir to drive a turbine?

• Point Absorbers

• Oscillating Wave Surge Converters

• Oscillating Water Columns

• Overtopping Devices

The ____________ is the horizontal distance between consecutive wave crests

• Wave height

• Wave period

• Wave steepness

• Wavelength

1. The ____________ spectrum is used to model the energy distribution of waves under varying sea conditions.

• JONSWAP

•  Overtopping

• Attenuator

• Spectral density

1. Significant wave height represents the time between successive wave crests passing a fixed point.

• True

• False

Which type of filter is used to remove high-frequency noise from wave energy spectra?

• High-pass filter

• Low-pass filter

• Band-pass filter

• Notch filter

1. The peak frequency in a wave spectrum corresponds to the frequency with the maximum energy density.

• True

• False

What is the main purpose of spectral filtering in wave energy systems?

• Enhancing color perception in wave photography

• Altering wave directions to reduce coastal erosion

• Optimizing power extraction by focusing on specific frequency bands

• Increasing the water temperature for thermal energy

The energy spectral approach can fully capture the directionality of ocean waves.

• True

• False

__________ functions are used to reduce spectral leakage and improve frequency resolution in spectral analysis.

• Amplitude

• Filtering

• Resampling

• Windowing