Docks And Harbours MCQs

Question 1

The fixed mooring does not require

Accepted Answer

anchors

Answer

mooring post

Answer

bollard

Answer

capstan.

Question 2

Buoys which support the cables to which vessels are attached are of

Accepted Answer

all of these.

Answer

cylindrical shape

Answer

drum

Answer

pear shaped

Question 3

For large vessels, the buoys are strengthened by connecting it to a number of anchors having

Accepted Answer

all the types as above.

Answer

one legged mooring

Answer

two legged mooring

Answer

three legged mooring

Question 4

Which one of the following lines is used for tying a ship with a dock

Accepted Answer

all of these.

Answer

bow line

Answer

stern line

Answer

spring line

Question 5

Pick up the correct statement from the following:

Accepted Answer

The operation of removing material from the sea or river bed is known as

Answer

Dredging

Answer

Digging

Answer

None of these.

Question 6

If h and hi are the heights of a light house and the observer in a ship in metres above M S L then the horizontal distance from the ship to the light house in kilometres is

Accepted Answer

3.86 (.^ITi1-NriT)

Answer

3.86 (ih. - hi)

Answer

3.86 (X x 111,1)

Answer

3.86 TE NFL ? hi).

Question 7

Pick up the correct statement from the following :

Accepted Answer

All the above.

Answer

An artificial barrier which makes the enclosed area safe for anchorage of ships, is known as break water

Answer

The break water whose inside is used as a plateform for loading and unloading is called a mole

Answer

The length of the quay wall is governed by the length of the largest vessel likely to be berthed

Question 8

Pick up the correct statement from the following :

Accepted Answer

All the above.

Answer

For nautical purposes, low water level is generally referred to by the navigators

Answer

The depth of the bed of the sea from the surface of water is called sounding

Answer

The contour lines on the bed of a water body are called fathoms

Question 9

Which one of the following land marks on the coast line must be depicted on hydrographic maps ?

Accepted Answer

all the above.

Answer

shore line

Answer

light houses

Answer

church spires