MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The approximate distribution of the flow of sun’s energy to the earth’s surface is |
| A. | 53% is reflected back to space |
| B. | 53% is transmitted to the earth |
| C. | 9% is scattered |
| D. | 22% is absorbed in the atmosphere |
| Answer» D. 22% is absorbed in the atmosphere | |
| 2. |
The observed solar constant S0, the true solar constant S and the angular elevation Z of the sun are related by the expression |
| A. | S0 =S a SEC Z |
| B. | S0 =2 S a SEC Z |
| C. | S0 =3 S a SEC Z |
| D. | S0 =4 S a SEC Z |
| Answer» B. S0 =2 S a SEC Z | |