Docks And Harbours MCQs

Question 1

The smoothened surface of the front face of the guay walls, is known as fending which is made of

Accepted Answer

all the above.

Answer

granite stone

Answer

timber

Answer

steel

Question 2

Pick up the correct statement from the following :

Accepted Answer

All the above.

Answer

The artificial barrier constructed to enclose an area for safe anchorage, is called break water

Answer

The smoothened surface at the top end of the vertical face of a guay wall, is called fending

Answer

The effelctive berthing lengths of inclined guays can be adjusted

Question 3

Pick up the correct statement from the following :

Accepted Answer

All of the above.

Answer

The breakwater which can be used as a platform for loading and unloading of cargo is called a mole

Answer

The brick masonry retaining wall which is used for loading and unloading of cargo is called guay wall

Answer

Three types of break waters are generally provided in harbours

Question 4

According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is

Accepted Answer

7.4 and 7.8 to 1

Answer

5.5 and 6.0 to 1

Answer

6.2 and 6.8 to 1

Answer

8.2 and 8.5 to 1.

Question 5

According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for passenger vessels is :

Accepted Answer

8.44 to 1.

Answer

7.25 to 1

Answer

7.80 to 1

Answer

8.11 to 1

Question 6

Pick up the incorrect statement from the following In a dry dock block made of hard wood

Accepted Answer

none of these,

Answer

spacing of the blocks is 1.35 m

Answer

the lowest block is 1.8 m long 40 cm x 40 cm in cross-section

Answer

the middle block is 1.6 m long 40 cm x 40 cm in crosss-section

Question 7

On a hydrographic map, the following feature is shown:

Accepted Answer

all the above.

Answer

datum

Answer

high and low water lines

Answer

depth contours

Question 8

Depth of borings for soil investigation, is generally kept below low water level

Accepted Answer

45 m

Answer

30 m

Answer

35 m

Answer

40 m.

Question 9

The floating mooring does not require

Accepted Answer

bollard

Answer

cables

Answer

anchors

Answer

buoy.