DOCKS AND HARBOR ENGINEERING QUIZ

If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

7 m

4 m

5 m

2.5 m

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

Manoeuvring lane + (2 × Bank clearance lane)

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

(2 × 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

(i) and (ii) are correct

(ii) and (iii) are correct

Only (iii) is correct

(i) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

The most popular method of construction of wall breakwaters is

Staging method

Barge method

None of these

Low level method

TRUE ANSWER : ?
YOUR ANSWER : ?

As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

1.9412

1.7412

1.5612

1.3412

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Only (ii) is correct

(i) and (iii) are correct

(i) and (ii) are correct

Only (iii) is correct

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

(i) and (iii) are correct

Only (iii) is correct

(ii) and (iii) are correct

(i) and (ii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as

Draft

Free-board

Depth

Beam

TRUE ANSWER : ?
YOUR ANSWER : ?

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

moles

revetments

groynes

sea walls

TRUE ANSWER : ?
YOUR ANSWER : ?

For designing the dock, the proportion of ship load assumed to be borne by keel blocks is

43906

43967

43898

43959

TRUE ANSWER : ?
YOUR ANSWER : ?

If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

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

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

The most popular method of construction of wall breakwaters is

As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

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

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

When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as

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

For designing the dock, the proportion of ship load assumed to be borne by keel blocks is