Discussion
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- Question
The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
Options- A. principal point
- B. isocentre
- C. plumb point
- D. perspective centre.
- Correct Answer
- isocentre
- 1. Which one of the following statements is true?
Options- A. Clays are more porous than sands
- B. Pressure of organic matter in a soil decreases the bearing capacity of the soil
- C. Aluminous cement is used for foundations in soils with chemical deposits
- D. All the above. Discuss
- 2. Which one of the following statements is true?
Options- A. The tangent of the angle of friction is equal to coefficeint of friction
- B. The angle of repose is equal to angle of friction
- C. The tangent of the angle of repose is equal to coefficient of friction
- D. All the above. Discuss
- 3. For location of soundings a range and one angle from the shore involves the following operations. Which one is correct?
Options- A. A range line is established
- B. The first and the last soundings and every tenth soundings are fixed by angular observations
- C. The intermediate soundings are fixed by the time intervals
- D. All the above. Discuss
- 4. Which one of the following errors is produced by platform characteristics of the sensor?
Options- A. altitude variation
- B. altitude
- C. orbit drift
- D. All of these Discuss
- 5. Which one of the following residual biases involves the GPS accuracy?
Options- A. Satellite dependent baises due to uncertainty in the orbital parameters of the satellite.
- B. Receiver-depandent biases due to clock stability with line
- C. Signal propagation baises due to the sphere and troposphere propogation.
- D. All the above Discuss
- 6. Which one of the following relationship between the wave length (?), and frequency and the speed (C) of the electromagnetic wave is correct?
Options- A. C = v + ?
- B.
- C. C = v?
- D.
Discuss
- 7. Which one of the following statements is correct?
Options- A. Snow albedo falls at all wave length with the increase of grain size
- B. The effect of grain size on reflection is maximum in the near-IR region
- C. The effect of grain size on reflection is low in the visible region of the spectrum
- D. All of these Discuss
- 8. Which one of the following helps to identify the objects on the earth surface?
Options- A. atmospheric window
- B. signature
- C. radiometric error
- D. None of these Discuss
- 9. Which one of the following statements is correct regarding the GPS satellites?
Options- A. The nominal altitude is about 20, 200 km
- B. The inclination of axis satellite is 55°
- C. The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
- D. All of these Discuss
- 10. Which of the following factors are associated with the behaviour of sand mass during earthquake to cause liquefaction?
1. Number of stress cycles
2. The frequency, and amplitude of vibration of waves generated by an earthquake
3. Characteristics of sand
4. Relative density
Select the correct answer using the codes given below :
Options- A. 1, 2 and 3
- B. 1, 2, 3 and 4
- C. 2 and 4
- D. 3 and 4 Discuss
More questions
Correct Answer: All the above.
Correct Answer: All the above.
Correct Answer: All the above.
Correct Answer: All of these
Correct Answer: All the above
Correct Answer: C = v?
Correct Answer: All of these
Correct Answer: signature
Correct Answer: All of these
Correct Answer: 1, 2, 3 and 4
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