GS Paper I (General Studies)
Study the subject as one continuous question paper, or narrow it to a particular year.
In the context of permissible noise level match List - I with List-II and select the answer from the code given below the lists.
| List - I (Area) | List-II (Permissible Noise Level) | ||
| A. | Residential area | 1. | 50 dB |
| B. | Silent zone | 2. | 55 dB |
| C. | Industrial area | 3. | 65 dB |
| D. | Commercial area | 4. | 70 dB |
In which of the following types of heat engines carburetor is used?
Solar energy is converted into electric energy through
Which of the following pairs is NOT correctly matched?
| Quantity | S. I. Unit | |
| (a) | Activity of radio-active substance | Curie |
| (b) | Power of lens | Diopter |
| (c) | Heat | Joule |
| (d) | Pressure | Pascal |
