 
			 
			MCQOPTIONS
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				This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Which among the following EDM instruments are capable of producing output with less expenditure? | 
| A. | Microwave instruments | 
| B. | Cosmic ray instruments | 
| C. | Visible light instruments | 
| D. | Infra-red instruments | 
| Answer» E. | |
| 2. | Frequency modulation is used in the case of visible light EDM. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 3. | The wavelength of I.R in infra-red instruments is about___________ | 
| A. | 0.6 * 10<sup>-6</sup> m | 
| B. | 1.0 * 10<sup>-6</sup> m | 
| C. | 0.7 * 10<sup>-6</sup> m | 
| D. | 0.9 * 10<sup>-6</sup> m | 
| Answer» E. | |
| 4. | What among the following indicates the range of Geodimeter? | 
| A. | 20 km | 
| B. | 30 km | 
| C. | 25km | 
| D. | 35 km | 
| Answer» D. 35 km | |
| 5. | Microwave EDM instrument requires two instrument stations. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 6. | Geodimeter uses which of the following waves as a carrier wave? | 
| A. | Microwaves | 
| B. | Visible light | 
| C. | Infra-red | 
| D. | Cosmic rays | 
| Answer» C. Infra-red | |
| 7. | The frequency range used in visible light instruments is______________ | 
| A. | 5*10<sup>11</sup> Hz | 
| B. | 5*10<sup>8</sup> Hz | 
| C. | 5*10<sup>10</sup> Hz | 
| D. | 5*10<sup>14</sup> Hz | 
| Answer» E. | |
| 8. | Which type of modulation is used in the case of microwave instrument? | 
| A. | Frequency modulation | 
| B. | Amplitude modulation | 
| C. | Carrier wave modulation | 
| D. | Time period modulation | 
| Answer» B. Amplitude modulation | |
| 9. | Which among the following EDM instruments is having more range? | 
| A. | Infra-red instruments | 
| B. | Visible light instruments | 
| C. | Microwave instruments | 
| D. | Gamma ray instruments | 
| Answer» D. Gamma ray instruments | |
| 10. | Different types of EDM s are obtained on the basis of__________ | 
| A. | Wave length | 
| B. | Carrier wave | 
| C. | Frequency | 
| D. | Time period | 
| Answer» C. Frequency | |