Docks And Harbor Engineering MCQ Questions & Answers

1

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

A) The length of design vessel B) The length of design vessel + 10% clearance between adjacent vessels C) The length of design vessel + 20% clearance between adjacent vessels D) Twice the length of design vessel

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Answer & Solution

Answer: Option C

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2

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

A) Beam B) Depth C) Free-board D) Draft

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Answer & Solution

Answer: Option D

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3

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 is highest
Of these statements

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

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Answer & Solution

Answer: Option B

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4

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

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

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Answer & Solution

Answer: Option C

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5

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

A) 1 L B) 1.5 L C) 2.0 L D) 4.0 L

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Answer & Solution

Answer: Option D

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6

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

A) Sea walls, bulk heads and groynes B) Sea walls, bulk heads and revetments C) Sea walls, revetments and groynes D) Bulk heads, revetments and groynes

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Answer & Solution

Answer: Option B

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7

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

A) one – third highest waves B) one – fourth highest waves C) one – fifth highest waves D) one – tenth highest waves

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Answer & Solution

Answer: Option A

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8

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

A) Manoeuvring lane + (2 × Bank clearance lane) B) (2 × Manoeuvring lane) + (2 × Bank clearance lane) C) (2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane) D) Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane

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Answer & Solution

Answer: Option C

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9

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

A) When the dock is empty B) When the dock is empty with the ship of maximum tonnage C) When the dock is full of water D) When the dock is dry and is under construction

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Answer & Solution

Answer: Option C

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10

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

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

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Answer & Solution

Answer: Option A

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Docks And Harbor Engineering MCQ Questions & Answers | Civil Engineering