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گروه آموزشی آیندگان نور - Sample question in Ship Construction for 2nd mate

گروه آموزشی آیندگان نور

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Sample question in Ship Construction for 2nd mate

 

 

1)      Explain in detail hogging and sagging and various causes of them.

 

 

 

1)      Explain in detail hogging and sagging and various causes of them.

2)      With the help of sketches define the followings:

      Camber

    Length overall

    Permitted limits of loading.

     Cofferdam

     Pounding

       Air draft

      Rake

    Flare

Run

Moulded depth.

      Freeboard

        Parallel middle body

 Collision bulkhead

   Extreme draught

Freeing ports

Extreme beam

 Moulded beam

Extreme depth

Extreme draft

Rise of floor

3)     Enumerate and describe those heat treatments which concern shipbuilding materials.

4)      Draw and name the combined framing systems double bottom of a modern bulk carrier and state the advantages of this system.

5)      Explain why transverse bulkheads have vertical stiffeners and longitudinal have horizontal stiffeners.

6)      Draw an elevation of a cargo ship, showing and naming the; holds, engine room, peak tanks, double bottom tanks, transverse bulk heads, cofferdams, chain locker, accommodation and rudder.

7)      Explain the tensile and compressive forces in deck and bottom structure caused by hogging and sagging.

8)      Explain and show with aid of sketches that how weather tightness is achieved in weather deck mechanical steel hatch covers at coaming and cross joints.

9)       

a)      Describe the principle of screw propulsion.

b)      Compare the advantages and disadvantages of fixed and controllable pitch propeller.

10)  Explain how a ship may experiences transverse stresses and what arrangements are used to resist these stresses.

11)  With the aid of a neat sketch draw ballasting and bilge piping system of a typical cargo ship.

12)   Sketch the half midship cross-section of a typical bulk carrier and name various parts.

13)   With aid of sketches, describe the purpose of bilge keel and how it is attached to the hull.

14)  Describe the followings:

a)      Keel plate

b)      Sheer strake

15)  With the aid of sketches explain the purpose and construction of chain locker in a typical cargo ship.

16)   

a)      Explain transverse stresses which a ship may experience at sea and in port.

b)      How these stresses can be compensated.

17)   Explain the purpose and construction of air pipes for ballast tanks on board a ship.

18)  Draw a longitudinally framed Double Bottom construction (solid and open floor) of a ship and name all the parts.

19)   Describe the followings with the aid of sketches:

a)      Cargo hold strum box

b)      Hawse pipe

20)   Describe by aid of simple diagrams the different types of rudder and state the advantages and disadvantages of each type.

21)   

a)      What is meant by “panting”?

b)      Sketch the plan and side view of a typical panting arrangement.

22)  Draw a midship cross-section of a double skin oil tanker and name all parts.

23)  Describe with aid of diagram that how water tightness is achieved in weather deck steel hatch covers at coamings.

24)  Sketch a transom stern, showing the connections to the stern frame and name all the important parts.

25)  Draw the arrangement of an oil-lubricated stern tube and tail shaft.

26)  With the help of diagrams, explain the followings:

1)      Shear force

2)      Bending moments

27)  Draw and name parts of following types of Rudder:

a)      Semi balanced

b)      Balanced

c)      Unbalanced

28)   Sketch and name the half midship cross-section of a crude oil tanker.

Capt. Rezaeian

 



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