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Question

At a given location the wind speeds are predominantly in the range $6$ to $6.4 \text{ m/s}$. This location’s wind power class will be termed as :

The correct answer is
Excellent

Wind Speed Classification Determination

The question asks to identify the wind power class for a location where wind speeds are predominantly between $6$ and $6.4 \text{ m/s}$.

Wind power classes are defined based on average wind speeds to assess the potential for wind energy generation. A classification system, consistent with the provided options, maps specific speed ranges to these classes.

Wind Speed Range (m/s) Power Class
Below $6.0$ Fair
$6.0$ – $6.4$ Excellent
$6.5$ – $7.5$ Good
Above $7.5$ Outstanding

For the given predominant wind speed range of $6$ to $6.4 \text{ m/s}$, the corresponding wind power class is Excellent.

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Important Questions from Energy and Environment - Teaching

  1. Which of the following fuels has the highest HHV carbon intensity ?
  2. Burning of 1 mol of $\text{CH}_4$ liberates 890 kJ of energy and 1 mol of $\text{CO}_2$. Since 1 mol of $\text{CO}_2$ has 12 g of carbon, the higher heating value (HHV) of methane is :
  3. The air-to-fuel ratio (A/F) for complete combustion in an internal combustion engine is about :
  4. Consider solar insolation of $400 \text{ W/m}^2$ incident on a single solar cell of area $100 \text{ cm}^2$. If only $15\%$ of the photons cause electron - hole pairs and the average energy of incident photons is $\sim 1 \text{ eV}$, the short circuit current of the cell is :
  5. In terms of the calorific value, identify the correct sequence :
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