Assessment Test

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1. According to the Chemical Data Guide, propylene oxide is assigned a health hazard rating of 3,2,2. What does the last digit 2 of the rating means?


2. According to the IMO Code, what are the minimum number of securing points that should be on each side of a road vehicle, whose gross vehicle mass is between 20 tons and 30 tons, when carried on RoRo vessels?


3. Wha are the flammable limits of an atmosphere?


4. What grade is a flammable liquid having a Reid vapor pressure of 81⁄2 P.S.I.A. or less and a flash point of 80degreesF or below?


5. What grade this liquid is classed if a petroleum liquid with has a flash point of 135degreesFahrenheit?


6. You are carrying cargoes of crotonaldehyde, phosphoric acid, and morpholine on your multipleproduct tankship. Which of the following statements is TRUE


7. You are carrying triethylamine, methyl methacrylate and isoprene in your multipleproduct tankship. Which of the following statements is true?


8. You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?


9. You are on a multipleproduct chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine. Which of the following is true?


10. You are on a multipleproduct chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?


11. You are on a multipleproduct chemical tanker and will carry cargoes of ethanolamine, methyl acrylate, and glycerine. Which statement is true?


12. You are on a multipleproduct chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?


13. You are on a multipleproduct chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo


14. You are on a multipleproduct tankship and scheduled to load a cargo classed as an aromatic amine. What class of cargo that made this cargo incompatible with?


15. You are planning the stowage of two incompatible products on your multipleproduct tankship. What will NOT provide the minimum required segregation?


16. You are to load styrene in bulk, which is subject to selfpolymerization. What you must do?


17. You have just discharged a Category A chemical cargo and are making the first wash of the tank that had contained it. The washing contain a chemical residual concentration of over 0.1percent by weight. What would you do?


18. Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. What should you do?


19. What yields when subtracting KG from KM?


20. C14 - Your ships draft is 10 meters, speed 10 knots and having a block coefficient 0f 0.7 water. What will be the underwater clearance if the depth of water is 12 meters?


21. C14 - What is the equivalent weight of 1,000 short tons?


22. C14 - Which likely to have for a semisubmersible which will not remain upright and will assume a list either to port or starboard?


23. C14 - Besides the location of the center of gravity, where is Stability principally determined?


24. C14 - While loading a cargo of grain, your vessel develops a list to starboard. How would you correct this?


25. C14 - Which likely to have for an inclined semisubmersible with a very short rolling period about a constant angle of list?


26. C14 - When does the righting arm has its maximum value for a given displacement?


27. C14 - Where does weight is concentrated when a vessels bottom will be subjected to tension?


28. C14 - Where does it acts as if it were located if the center of gravity of a freely swinging load is suspended from a pedestal crane?


29. C14 - Why do we use nickelalloyed steel, stainless steel or aluminium in cargo tank construction on gas carriers designed for LNG and LEG?


30. C14 - Besides the center of gravity, where Stability is determined related to?


31. C14 - Where does about the vessel lists and trim?


32. C14 - What is know as the geometric center of the underwater volume?


33. C14 - What would you multiply with the displacement to determine the righting moment?


34. C14 - Where is the weight of the cargo stowed so that a vessel would be referred to as tender?


35. C14 - What is the usual status of an Structural bulkheads on a MODU?


36. C14 - What is called a a structure, usually made of stone, or cement pilings, which extends from the bank at approximately right angles to the current?


37. C14 - While in transit during heavy weather, the crew aboard a vessel should be alert to repeated pounding of waves on the lower bracing. What should be done necessary to the unit?


38. C14 - What increases when topside icing decreases vessel stability?


39. C14 - What is the true measure of a vessels stability at all angles of inclination?


40. C14 - Where does the height of the metacenter above the keel vary depends to?


41. C14 - Besides the position of the center of buoyancy, where else the value of the maximum righting arm depends on?


42. C14 - What may caused a virtual rise in the center of gravity?


43. C14 - When does the natural rolling period of a drilling barge increases?


44. C14 - Which term refers to a transverse curvature of the deck?


45. C14 - What yields when subtracting GM from KM?


46. C14 - Your vessel rolls slowly and sluggishly. What does this indicates to the vessel?


47. C14 - What will happen to a vessel with a large metacentric height?


48. C14 - What does Block stowage means?


49. C14 -What is known as the difference between the height of the metacenter and the metacentric height?


50. C14 - What is called as the stability which remains after a compartment is flooded?


51. C14 - What yields the vessels status aboard a vessel, when dividing the sum of the traverse moments by the total weight?


52. C14 - Besides usually offcenter, why does topside icing decreases vessel stability?


53. C14 - What would most adversely affect the stability of the rig when Fighting a rig fire in the ballast pumproom with hoses?


54. C14 - What are called aboard ship vertical flat plates running transversely and connecting the vertical keel to the margin plates?


55. C14 - What is the metacentric height In a small angle stability?


56. C14 - When does a vessel will have a greater degree of heel caused by rudder action?


57. C14 - Which statement about the free surface correction is TRUE?


58. C14 - Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken FIRST in regard to the vessels stability?


59. C14 - What reduces on a semisubmersible drilling unit, when increasing riser tension?


60. C14 - What will increase as the chance of fatigue failure of a mooring line will during a storm?


61. C14 - Your vessel is damaged with no list, but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?


62. C14 - Deballasting a double bottom has what affect on KG?


63. C14 - When does the original equilibrium position always unstable?


64. C14 - What likely to have to a semisubmersible which flops between port and starboard angles of list?


65. C14 - Where does a semisubmersible with a negative GM flops to an angle of?


66. C14 - Vessel A and B are identical. However, A is more tender than B. What does it have when this means that A is relative to B?


67. C14 - What is called as the horizontal distance between the vertical lines of action of gravity and the buoyant forces?


68. C14 - Which term indicates the rise in height of the bottom plating from the plane of the base line?


69. C14 - What does a continual worsening of the list or trim indicates?


70. C14 - What would the vessel have if the KG were equal to the KM for small angles of inclination?


71. C14 - In plugging submerged holes, rags, wedges, and other materials should be used in conjunction with plugs to?


72. C14 - You are fighting a fire in a watertight compartment using hoses and river water. What may caused the stability to reduced?


73. C14 - What causes an increase for a movement of liquid in a tank when a drilling barge inclines?


74. C14 - What yields the vessels aboard a vessel, when dividing the sum of the vertical moments by the total weight?


75. C14 - You are heading into the sea during rough weather. What could cause to your small boat having too much weight forward?


76. C14 - What is used a measure in the vertical distance between G and M?


77. C14 - What will be the result in the vessel having a large GM?


78. C14 - While in dry dock your vessel will be beltgauged. What involves in this this process?


79. C14 - Why does GM cannot be used as an indicator of stability at all angles of inclination?


80. C14 - Why are stern towing bitts placed well forward of the rudder when hawser towing?


81. C14 - Why do we have longitudinal bulkhead in a prismatic cargo tank?


82. C14 - To calculate the free surface correction, what could necessary divide the freesurface moments?


83. C14 - A wind has caused a difference between drafts starboard and port. What is this difference?


84. C14 - What gives for a vessel inclined by the wind, by multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces?


85. C14 - Which stability that refers to Initial stability?


86. C14 - Initial stability refers to what stability?


87. C14 - A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?


88. What shoud be designated as Oil tankers of 20,000 tons deadweight and above but less than 30,000 deadweight NOT fitted with SBT,PL?


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