A ship is berthed in a chamber and lifted by principles of budyancy. Such a chamber is called
Match List-I (Description) with List-II (Structure) and select the correct answer using the codes given below the 1 lists:
Codes:
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How many hectares of anchorage area will be required by a 181 m long ship anchored by a single anchor in a harbour of 15 m depth?
On which of the following factors will the selection of the type of Groyne depend?
1. Availability of material
2. Foundation condition
3. Presence or absence of marine borers
4. Topography of the beach
5. The height, period and angle of attack of approaching waves
Select the correct answer using the codes given below:
Matdh list - l (Shape of tunnel) with List-II (Attribute for preference) and select the correct answer using the codes given below the lists:
Codes:
Consider the following factors:
1. Size and type of ship served
2. Availability of materials
3. Wharf configuration
4. Mooring procedures
The spaces required alongside a what for berthing would depend upon factors
Which one of the following is a component of a shield for tunnelling?
Match List-l (Structure) with List-Il (Purpose) and select the correct answer using the codes given below the lists:
Codes:
Which of the following type of sea walls results in greatest protection of shore structures?
Which of the foliowing are repair docks?
Which of the following conditions of loading imposes the greatest load on the foundation is case of dry docks?
For designing the dock, the proportion of ship load assumed to be borne by keel blocks is
If W is the weight of the ship and V is the velocity at right angle to the berth, then the berthing energy of the ship, when it first strikes the fenders, while coming alongside at a quarter point contact is
The lowest tide which occurs in half lunar month is called
If 'D’ is the diameter of tunnel is metres, then the thickness of lining in mm, as per the empirical formula is given by
Which one of the following tunnelling method is used for laying under ground sewers?
Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater then
The needle beam method of tunnelling
1. is suitable for soils in which roof can stand for few minutes without support
2. is suitable for brick lining
3. is suitable for concrete lining
4. requires large number of trench jacks
Which of these statements is/are correct?
With reference to tunnelling, which of the following factors are to be considered for deciding the size of the shaft?
1. System used for hoisting
2. Size of the muck car
3. Quantity of muck to be lifted
4. Eventual use of the shaft
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In deep water waves, individual particles