DOCKS AND HARBOR ENGINEERING QUIZ

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

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

Manoeuvring lane + (2 × Bank clearance lane)

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Dead weight tonnage of a ship(i) varies with latitude and season(ii) is more than displacement tonnage(iii) is the difference between displacement load and displacement light Of these statements

Only (iii) is correct

(i) and (iii) are correct

(ii) and (iii) are correct

(i) and (ii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements.(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,(ii) Slip is the space of water area between two adjacent piers where ships are berthed,(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance. Of the statements

(ii) and (iii) are correct

(i), (ii) and (iii) are correct

(i) and (iii) are correct

(i) and (ii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

In basins subjected to strong winds and tide, the length of the berthing area should not be less than

The length of design vessel + 20% clearance between adjacent vessels

The length of design vessel

The length of design vessel + 10% clearance between adjacent vessels

Twice the length of design vessel

TRUE ANSWER : ?
YOUR ANSWER : ?

The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be

2.0 L

1 L

4.0 L

1.5 L

TRUE ANSWER : ?
YOUR ANSWER : ?

In multiple point mooring system, vessel is secured to minimum of

Eight points

Six points

Two points

Four points

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Mean rise

Mean range

Maximum rise

Maximum range

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

When the dock is dry and is under construction

When the dock is empty

When the dock is full of water

When the dock is empty with the ship of maximum tonnage

TRUE ANSWER : ?
YOUR ANSWER : ?

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

stepped sea wall

vertical sea wall

sea wall with batter

sea wall with concave face

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

Wet dock

Floating dock

Dry dock

Refuge dock

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YOUR ANSWER : ?

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