Q. Which of the following does the correlation of decomposition models (between diffuse and total radiation on horizontal surface) depend on?

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Q. Decomposition models are based on correlation between ____________

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Q. How do decomposition models compute diffuse solar radiation?

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Q. Which of the following is an example of parametric model used to compute diffuse radiation?

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Q. Which of the following is required as a parameter in a parametric model?

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Q. What are the two models used to determine diffuse radiation?

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Q. Solar radiation on a horizontal surface is the summation of _______

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Q. Which of the following is not used to calculate hourly radiation?

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Q. What is zenith angle?

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Q. Which of the following can be used to estimate beam radiation?

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Q. Which of the following is generally used to compute global and diffuse radiation values?

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Q. Why are global and diffuse radiation values not measured?

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Q. Hourly radiation values can be used to evaluate the performance of ________

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Q. Cloud cover estimation is free from error.

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Q. Reduction of error between simulated values and the true values increases accuracy of the empirical model.

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Q. Why do ground-based observers overestimate overcast cloud cover?

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Q. Which of the following statistical indicator is used to evaluate any type of model?

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Q. Which of the following is important during data acquisition from measuring instruments? Assume that details about data to be collected is known.

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Q. What does the ratio of global solar radiation (H) and estimated daily global radiation for cloudless sky (H₀) indicate?

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Q. How is an empirical model developed?

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