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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 of the following represents the correct sequence for the basis of EDM propagation? |
A. | Propagation, generation, reflection and reception |
B. | Generation, reception, reflection and propagation |
C. | Generation, propagation, reception and reflection |
D. | Generation, propagation, reflection and reception |
Answer» E. | |
2. |
Phase difference can be expressed in which of the following format? |
A. | Meters per second |
B. | Meters |
C. | Cycles |
D. | Seconds |
Answer» D. Seconds | |
3. |
What would be the value of length if the distance is given as 30m, m= 3 and the change in length is 8m. |
A. | 7.43m |
B. | 7.34m |
C. | 6.34m |
D. | 5.43m |
Answer» C. 6.34m | |
4. |
For increasing accuracy, high frequency of propagation is used. |
A. | True |
B. | False |
Answer» B. False | |
5. |
Electromagnetic waves are represented in which of the following format? |
A. | Longitudinal waves |
B. | Transverse waves |
C. | Sinusoidal waves |
D. | Surface waves |
Answer» D. Surface waves | |
6. |
Find the value of D if the wave length of the wave is 40m, n=2 m and the angles are given as 1 = 0 , 2 = 180 . |
A. | 50m |
B. | 40m |
C. | 20m |
D. | 10m |
Answer» B. 40m | |
7. |
Tellurometer, a type of EDM uses which of the following waves? |
A. | Visible rays |
B. | Infra-red waves |
C. | Micro waves |
D. | Radio waves |
Answer» E. | |
8. |
The distance in EDM is measured by______________ |
A. | Frequency of the wave |
B. | Wave length |
C. | Phase difference |
D. | Amplitude |
Answer» D. Amplitude | |
9. |
Which property of an electromagnetic wave, depends on the medium in which it is travelling? |
A. | Velocity |
B. | Frequency |
C. | Time period |
D. | Wave length |
Answer» B. Frequency | |
10. |
Modern EDM uses which among the following waves? |
A. | Visible rays |
B. | Thermal infra-red |
C. | Modulated infra-red |
D. | Radio waves |
Answer» D. Radio waves | |