Practice Docks And Harbor Engineering Multiple Choice Questions Quiz-2 - MCQGeeks.com

Q.1

Select the incorrect statement.

The progress of work in low level method of mound construction is very slow
Barge method of mound construction is economical
In low level method of mound construction, the area of working is limited
In staging method of mound construction, the work is not interrupted even during stormy weather

Q.2

A ship strikes the berth generally at an angle

90° with the face of the dock
45° with the face of the dock
30° with the face of the dock
10° with the face of the dock

Q.3

Which of the following are repair docks ?

marine railways, dry docks, floating docks, wet docks
dry docks, wet docks, floating docks, lift docks
wet docks, floating docks, lift docks, marine railways
wet docks, lift docks, marine railways, dry docks

Q.4

The most popular method of construction of wall breakwaters is

Barge method
Staging method
Low level method
none of the above

Q.5

When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called

Surf
Clapotis
Fetch
Swell

Q.6

If H is the height of the wave expected, then the height of the breakwater is generally taken as

1.2 H to 1.25 H above the datum
1.2 H to 1.25 H above the low water level
1.2 H to 1.25 H above the high water level
1.2 H to 1.25 H above the mean sea level

Q.7

Which of the following structures protects the shore by trapping of littoral drift?

groynes
sea walls
revetments
moles

Q.8

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

Sea walls, bulk heads and groynes
Sea walls, bulk heads and revetments
Sea walls, revetments and groynes
Bulk heads, revetments and groynes

Q.9

The significant wave height is defined is the average height of the

one – third highest waves
one – fourth highest waves
one – fifth highest waves
one – tenth highest waves

Q.10

In a two lane channel, bottom width of channel is given by

Manoeuvring lane + (2 × Bank clearance lane)
(2 × Manoeuvring lane) + (2 × Bank clearance lane)
(2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)
Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane

Q.11

Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?

When the dock is empty
When the dock is empty with the ship of maximum tonnage
When the dock is full of water
When the dock is dry and is under construction

Q.12

By increasing the rise of lock-gates,
(i) The length of the lock gate will increase
(ii) Transverse stress due to water pressure on the gate will increase
(iii) Compressive force on the gate will increase

(i) and (ii) are correct
(i) and (iii) are correct
Only (ii) is correct
Only (iii) is correct

Q.13

Which of the following are repair docks ?

marine railways, dry docks, floating docks, wet docks
dry docks, wet docks, floating docks, lift docks
wet docks, floating docks, lift docks, marine railways
wet docks, lift docks, marine railways, dry docks

Q.14

A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

Dry dock
Wet dock
Floating dock
Refuge dock

Q.15

Which of the following is a fixed type mooring accessory ?

bollard
buoys
cables
anchors

Q.16

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.17

Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?

When the dock is empty
When the dock is empty with the ship of maximum tonnage
When the dock is full of water
When the dock is dry and is under construction

Q.18

The difference in height between highest high water and lowest low water is called

Mean range
Maximum range
Maximum rise
Mean rise

Q.19

Which of the following type of sea walls results in greatest protection of shore structures?

vertical sea wall
sea wall with batter
stepped sea wall
sea wall with concave face

Q.20

A ship strikes the berth generally at an angle

90° with the face of the dock
45° with the face of the dock
30° with the face of the dock
10° with the face of the dock

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