Practice Docks And Harbours Multiple Choice Questions with Answers Quiz-3

Q.1.

Pick up the correct statement from the following:

The tides at any place occur a little less than 1 hour later, each succeeding day
The difference in time in solar hours and minutes from any lunar transit to the succeeding transit, is called high water level
The influence of the earth's gravity alone produces level-tidal less sea
The spinning force is maximum at the equator and zero at the poles
All of the above.

Q.2.

The important component of a sea port is

terminal buildings
the docks
the harbour
all of these.

Q.3.

Pick up the correct statement from the following:

the Mediterranean sea is considered to be a huge harbour
the Caspean sea is considered to be a big harbour
the Red sea is considered to be harbour
none of the above.

Q.4.

Pick up the correct statement function following:

The coarse material which has a smaller angle of repose, causes a steeper beach slope
The coarse material which has a greater angle of repose, causes a steeper beach slope
The flattening out of the beach is caused due to the movement of small and uniform particles leeward.
both (b) and (c).

Q.5.

Cretans :

are the harbours established on the island south east of Greek mainland
are the natives of crete, an island south of Greek mainland
are the plants, grown in the neighbourhood of harbours
none of the above.

Q.6.

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

5.5 and 6.0 to 1
6.2 and 6.8 to 1
7.4 and 7.8 to 1
8.2 and 8.5 to 1

Q.7.

Pick up the correct statement from the following:

a harbour without any port complex, is called a refuge harbour
a harbour used for fishery, is called fishery harbour
the terminal building of a commercial harbour consists of an administrative block, customs clearance and ware-houses.
all the above.

Q.8.

The fixed mooring does not require

mooring post
bollard
anchors
capstan.

Q.9.

Pick up the correct statement from the following:

An artificial barrier which makes the enclosed area safe for anchorage of ships, is known as break water
The break water whose inside is used as a plateform for loading and unloading is called a mole
The length of the quay wall is governed by the length of the largest vessel likely to be berthed
All the above.

Q.10.

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

cylindrical shape
drum
pear shaped
spherical shape
all of these.

Q.11.

Pick up the correct statement from the following:

The regular periodic rise and fall of the surface of the sea, is called tide.
The average difference in water level between high tide and low tide at a place, is called tidal range
The movement of water caused by the action of tide, is called a tidal current
all of the above.

Q.12.

The low water datum for a lake is defined as the surface of the lake when it is at elevation

180.5 m above M.S.L.
190.5 m above M.S.L.
170.5 m above M.S.L.
200.0 m above M.S.L.

Q.13.

The beach is built:

with largest material locally available to the waves
with large material locally available to the waves
with fine material locally available to the waves
with finest material locally available to the waves.

Q.14.

Pick up the correct statement from the following:

The breakwater which can be used as a platform for loading and unloading of cargo is called a mole
The brick masonry retaining wall which is used for loading and unloading of cargo is called guay wall
Three types of break waters are generally provided in harbours
All of the above.

Q.15.

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

30 m
35 m
45 m
40 m

Q.16.

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

shore line
light houses
church spires
all the above.

Q.17.

Flow of air from one place to the other is caused due to

the sum of elevation
pressure head
velocity head
all of the above.

Q.18.

A harbour is a place where

ships get shelter and protection against destructive forces due to sea waves
facilities are provided for receiving cargo and passengers
port buildings are constructed for commercial purposes
all the above.

Q.19.

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

shore line
light houses
church spires
all the above.

Q.20.

A harbour is a place where

ships get shelter and protection against destructive forces due to sea waves
facilities are provided for receiving cargo and passengers
port buildings are constructed for commercial purposes
all the above.

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