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

Related MCQs

• 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
• 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:
• When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as
• According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is
• The width of the entrances of the harbours is restricted to
• Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R: No wave can have a height greater than the depth of water through which it passes Select your answer based on the coding system given below:
• Assertion A: Basin walls have to be of much greater height than dock walls. Reason R: Tidal basins are subject to fluctuations of levels due to tidal variations Select your answer based on the coding system given below:
• At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be
• 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:
• 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.