Online Civil Engineering Test - Docks and Harbours Test

Instruction:

  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20


Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.

1.
The important component of a sea port is
terminal buildings
the docks
the harbour
all of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

2.
Littoral drift
is the raised line of sand, parallel to the sea coast
is the slow movement of surface water at sea caused by the wind
is a current parallel to the shore, caused due to tangential component of the wind
is a current perpendicular to the shore line caused due to wind.
Your Answer: Option
(Not Answered)
Correct Answer: Option

3.
Pick up the correct statement from the following:
The direction of the littoral drift depends upon the direction of the wave with respect to the coastline
The direction of a river opening to the sea determines the direction of no littoral drift
Harbour in the path of littoral drift is not constructed to avoid a build up of sand on one side and erosion on the other
all of the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

4.
A low wall built out into the sea more or less perpendicular to the coast line, to resist the travel of sand and shingle along a beach, is called
break water
break wall
groins
shore wall.
Your Answer: Option
(Not Answered)
Correct Answer: Option

5.
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.
Your Answer: Option
(Not Answered)
Correct Answer: Option

6.
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.
Your Answer: Option
(Not Answered)
Correct Answer: Option

7.
The width of the entrances of the harbours is restricted to
100 m
125 m
150 m
180 m
Your Answer: Option
(Not Answered)
Correct Answer: Option

8.
In a wet dock system,
minimum required depth of water for the vessels is maintained
entrance locks are provided with massive gates
the locks of dock gate are operated by means of heavy bascule bridges and connected machinery
the cost of construction is quite heavy
all the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

9.
Pick up the correct statement from the following:
The artificial barrier constructed to enclose "n area for safe anchorage, is called break water
The smoothened surface at the top end of the vertical face of a guay wall, is called fending
The effective berthing lengths of inclined guays can be adjusted
All the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

10.
According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for passenger vessels is :
7.25 to 1
7.80 to 1
8.11 to 1
8.44 to 1
Your Answer: Option
(Not Answered)
Correct Answer: Option

11.
Buoys which support the cables to which vessels are attached are of
cylindrical shape
drum
pear shaped
spherical shape
all of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

12.
The operation of removing material from the sea or river bed is known as
Mining
Dredging
Digging
None of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

13.
If h and h1 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
3.86 (h + h1)
3.86 (h - h1)
3.86 (h x h1)
3.86 π (h + h1)
Your Answer: Option
(Not Answered)
Correct Answer: Option

14.
Pick up the correct statement from the following:
For nautical purposes, low water level is generally referred to by the navigators
The depth of the bed of the sea from the surface of water is called sounding
The contour lines on the bed of a water body are called fathoms
All the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

15.
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.
Your Answer: Option
(Not Answered)
Correct Answer: Option

16.
The shore line survey includes :
depicting the shore line
depicting the prominent details on shore line
depicting the high water line
depicting the low water line
all the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

17.
For location of soundings a range and one angle from the shore involves the following operations. Which one is correct ?
A range line is established
The first and the last soundings and every tenth soundings are fixed by angular observations
The intermediate soundings are fixed by the time intervals
All the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

18.
The variation of atmospheric potential is caused due to :
difference in temperature over the surface of the earth
change in the density of air
both (a) and (b)
neither (a) nor (b).
Your Answer: Option
(Not Answered)
Correct Answer: Option

19.
In tropical regions,
the surface gets heated more effectively than the arctic areas
after heating, the air becomes lighter and is displaced by cool air from the polar regions
the rising tropical air flows towards the polar region in the upper strata
all of the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

20.
The floating mooring does not require
cables
anchors
bollard
buoy.
Your Answer: Option
(Not Answered)
Correct Answer: Option

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