Q. How is an empirical model developed?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Cloud cover estimation is free from error.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. What is zenith angle?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. How do decomposition models compute diffuse solar radiation?

View solution

Q. Decomposition models are based on correlation between ____________

View solution

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

View solution