Question 1

A harbour is a place where

Accepted Answer

A)  Ships get shelter and protection against destructive forces due to sea waves
B)  Facilities are provided for receiving cargo and passengers
C)  Port buildings are constructed for commercial purposes
D)  All of the above D

Question 2

Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below:

Accepted Answer

A)  Both A and R is true and R is the correct explanation of A
B)  Both A and R is true but R is not the correct explanation of A
C)  A is true but R is false
D)  A is false but R is true A

Question 3

The maximum harbour depth below lowest low water is generally equal to
(i) Loaded draft +1.2 m when bottom is rock
(ii) Loaded draft +1.8 m when bottom is soft
(iii) Loaded draft +1.2 m when bottom is soft
(iv) Loaded draft +1.8 m when bottom is rock
Of these statements

Accepted Answer

A)  (i)  and (ii)  are correct
B)  (i)  and (iii)  are correct
C)  (ii)  and (iv)  are correct
D)  (iii)  and (iv)  are correct D

Question 4

Pick up the incorrect statement from the following: In a dry dock block made of hard wood,

Accepted Answer

A)  Spacing of the blocks is 1.35 m
B)  The lowest block is 1.8 m long 40 cm × 40 cm in cross-section
C)  The middle block is 1.6 m long 40 cm × 40 cm in cross-section
D)  None of these

Question 5

The shore line survey includes:

Accepted Answer

A)  Depicting the shore line
B)  Depicting the prominent details on shore line
C)  Depicting the high water line
D)  All the above

Question 6

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

Accepted Answer

A)  Vertical sea wall
B)  Sea wall with batter
C)  Stepped sea wall
D)  Sea wall with concave face

Question 7

Pick up the correct statement function following:

Accepted Answer

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

Question 8

A roadstead:

Accepted Answer

A)  Is a protected area of water where boats can move safely
B)  Is the end of the road at the harbour
C)  May be protected by break water walls
D)  None of these

Question 9

Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel.Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself.Select your answer based on the coding system given below:

Accepted Answer

A)  Both A and R is true and R is the correct explanation of A
B)  Both A and R is true but R is not the correct explanation of A
C)  A is true but R is false
D)  A is false but R is true

Question 10

In a wet dock system,

Accepted Answer

A)  Minimum required depth of water for the vessels is maintained
B)  Entrance locks are provided with massive gates
C)  The cost of construction is quite heavy
D)  All the above

Question 11

According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is

Accepted Answer

A)  5.5 and 6.0 to 1
B)  6.2 and 6.8 to 1
C)  7.4 and 7.8 to 1
D)  8.2 and 8.5 to 1

Question 12

The smoothened surface of the front face of the guay walls, is known as fending which is made of

Accepted Answer

A)  Granite stone
B)  Timber
C)  Steel
D)  All the above

Question 13

Which of the following is a fixed type mooring accessory?

Accepted Answer

A)  Bollard
B)  Buoys
C)  Cables
D)  Anchors

Question 14

Pick up the correct statement from the following:

Accepted Answer

A)  For nautical purposes, low water level is generally referred to by the navigators
B)  The depth of the bed of the sea from the surface of water is called sounding
C)  The contour lines on the bed of a water body are called fathoms
D)  All the above

Question 15

At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

Accepted Answer

A)  2.073 m
B)  8.169 m
C)  9.144 m
D)  6.8 m

Question 16

A dock:

Accepted Answer

A)  Is a marine structure for berthing of vessels for loading and unloading cargo and passengers
B)  Is provided with a dock gate
C)  Is provided with an arrangement to pump out water when required
D)  All the above

Question 17

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 break water near the harbour entrance. Of the statements

Accepted Answer

A)  (i)  and (ii)  are correct
B)  (ii)  and (iii)  are correct
C)  (i)  and (iii)  are correct
D)  (i) , (ii)  and (iii)  are correct

Question 18

Pick up the correct statement from the following:

Accepted Answer

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

Question 19

Consider the following statements in regard to Beaufort scale for wind speeds, (i) The Beaufort number ranges from 1 to 12. (ii) Higher Beaufort number indicates higher speed of wind, (iii) Beaufort number for calm is smallest and for hurricane ishighest Of these statements

Accepted Answer

A)  (i)  and (ii)  are correct
B)  (ii)  and (iii)  are correct
C)  (i)  and (iii)  are correct
D)  (i) , (ii)  and (iii)  are correct

Question 20

Assertion A: Large size stones are required in stone revetment in shore protection. Reason R: Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone. Select your answer based on the coding system given below.

Accepted Answer

A)  Both A and R is true and R is the correct explanation of A
B)  Both A and R is true but R is not a correct explanation of A
C)  A is true but R is false
D)  A is false but R is true

Exam 2: Marine Structures and Harbor Operations

A harbour is a place where

Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below:

The maximum harbour depth below lowest low water is generally equal to (i) Loaded draft +1.2 m when bottom is rock (ii) Loaded draft +1.8 m when bottom is soft (iii) Loaded draft +1.2 m when bottom is soft (iv) Loaded draft +1.8 m when bottom is rock Of these statements

Pick up the incorrect statement from the following: In a dry dock block made of hard wood,

The shore line survey includes:

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

Pick up the correct statement function following:

A roadstead:

Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel.Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself.Select your answer based on the coding system given below:

In a wet dock system,

According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is

The smoothened surface of the front face of the guay walls, is known as fending which is made of

Which of the following is a fixed type mooring accessory?

Pick up the correct statement from the following:

At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

A dock:

Pick up the correct statement from the following:

Consider the following statements in regard to Beaufort scale for wind speeds, (i) The Beaufort number ranges from 1 to 12. (ii) Higher Beaufort number indicates higher speed of wind, (iii) Beaufort number for calm is smallest and for hurricane ishighest Of these statements

Assertion A: Large size stones are required in stone revetment in shore protection. Reason R: Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone. Select your answer based on the coding system given below.