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- Question
Pick up the incorrect statement from the following:
Options- A. As a wave of sea water approaches the coast line, it is generally accompanied by a drift of water in the direction of wave advance
- B. The on-shore wind helps to produce wave action as well as rise of M.S.L.
- C. A falling hydraulic gradient occurs in the direction of the wave
- D. The wave while receding carries finer particles out to deep water.
- Correct Answer
- A falling hydraulic gradient occurs in the direction of the wave
- 1. A harbour is a place where
Options- A. ships get shelter and protection against destructive forces due to sea waves
- B. facilities are provided for receiving cargo and passengers
- C. port buildings are constructed for commercial purposes
- D. all the above. Discuss
- 2. Littoral drift
Options- A. is the raised line of sand, parallel to the sea coast
- B. is the slow movement of surface water at sea caused by the wind
- C. is a current parallel to the shore, caused due to tangential component of the wind
- D. is a current perpendicular to the shore line caused due to wind. Discuss
- 3. Surf zone is :
Options- A. the fathom line of 10 m depth
- B. the fathom line of 5 m depth
- C. the swell of the sea breaking on the shore or reefs
- D. the coast line attacked by the waves. Discuss
- 4. The beach is built:
Options- A. with largest material locally available to the waves
- B. with large material locally available to the waves
- C. with fine material locally available to the waves
- D. with finest material locally available to the waves. Discuss
- 5. Pick up the correct statement from the following:
Options- A. The operation of removing material from the sea or river bed is known as
- B. Dredging
- C. Digging
- D. None of these. Discuss
- 6. Depth of borings for soil investigation, is generally kept below low water level
Options- A. 30 m
- B. 35 m
- C. 45 m
- D. 40 m Discuss
- 7. A roadstead :
Options- A. is a protected area of water where boats can move safely
- B. is the end of the road at the harbour
- C. may be protected by break water walls
- D. none of these. Discuss
- 8. 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
- 9. The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:
Options- A. ozone hole
- B. atmospheric window
- C. ozone window
- D. black hole Discuss
- 10. The phase difference of the waves 1 and 2 at A in the given figure is :
Options- A. ?/4
- B. ?/2
- C. ?
- D. 3?/2 Discuss
Docks and Harbours problems
Search Results
Correct Answer: all the above.
Correct Answer: is a current parallel to the shore, caused due to tangential component of the wind
Correct Answer: the swell of the sea breaking on the shore or reefs
Correct Answer: with largest material locally available to the waves
Correct Answer: The operation of removing material from the sea or river bed is known as
Correct Answer: 45 m
Correct Answer: is a protected area of water where boats can move safely
Correct Answer: All of these
Correct Answer: atmospheric window
Correct Answer: ?/2
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