By increasing the rise of lockgates_______________?

Related Mcqs:

1. If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be_________________?

   A. 2.5 m
   B. 4 m
   C. 5 m
   D. 7 m

2. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?

   A. 2.073 m
   B. 8.169 m
   C. 9.144 m
   D. 6.8 m

3. Minimum width of ship clearance shall be__________________?

   A. B or 30 m
   B. 1.5 B or 50 m
   C. 1.5 B
   D. 50 m

   where “B” is beam of the design vessel

4. Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area ?

   A. sea walls, bulk heads and groynes
   B. sea walls, bulk heads and revetments
   C. sea walls, revetments and groynes
   D. bulk heads, revetments and groynes

5. Assertion A : Large size stones are required in stone revetment in shore protection. Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone?

   Select your answer based on the coding system given below

   A. Both A and R are true and R is the correct explanation of A
   B. Both A and R are true but R is not a correct explanation of A
   C. A is true but R is false
   D. A is false but R is true

6. Consider the following statements?

   (i) Fender is the cushion provided on the face of the jetty for ships to come in contact,
   (ii) Slip is the space of water area between two adjacent piers where ships are berthed,
   (iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance.
   select the correct statements?

   A. (i) and (ii) are correct
   B. (ii) and (iii) are correct
   C. (i) and (iii) are correct
   D. (i), (ii) and (iii) are correct

7. The difference in height between highest high water and lowest low water is called_______________?

   A. mean range
   B. maximum range
   C. maximum rise
   D. mean rise

8. Select the incorrect statement ?

   A. The progress of work in low level method of mound construction is very slow.
   B. Barge method of mound construction is economical.
   C. In low level method of mound construction, the area of working is limited.
   D. In staging method of mound cons-truction, the work is not interrupted even during stormy weather

9. Dead weight tonnage of a ship_______________?

   i) varies with latitude and season
   ii) is more than displacement tonnage
   iii) is the difference between displacement load and displacement light
   select the correct statemens.

   A. i) and ii) are correct
   B. ii) and iii) are correct
   C. i) and iii) are correct
   D. Only iii) is correct

10. Consider the following statements in regard to Beaufort scale for wind speeds______________?

    (i) The Beaufort number ranges from 1 to 12.
    (ii) Higher Beaufort number indicates higher speed of wind,
    (iii) Beaufort number for calm is smallest and for hurricane is highest
    select the correct statments.

    A. (i) and (ii) are correct
    B. (ii) and (iii) are correct
    C. (i) and (iii) are correct
    D. (i), (ii) and (iii) are correct