单选

Which statement is correct concerning the carriage of coal in bulk ________.

  • A.Coal should be vented with surface ventilation only
  • B.Because of its inherent vice,coal should not be loaded wet
  • C.Dunnage should be placed against ship's sides and around stanchions
  • D.Through ventilation,as well as surface ventilation,should be provided whenever possible
参考答案
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You are scheduled to load a bulk shipment of steel turnings.Which statement is TRUE ________.

  • A.The primary hazard of this cargo is that it is subject to spontaneous heating and ignition
  • B.The shipping papers should describe this cargo as Waste,Steel Borings
  • C.After loading,you may not sail if the temperature in each hold of steel turnings exceeds 54℃
  • D.This cargo may not be transported in bulk unless a special permit is issued by the competent authorities

While loading cargo,a white trimming light on the starboard side comes on.This indicates that ______.

  • A.The vessel has a list of about 1° to starboard
  • B.The chutes should be directed to the starboard side
  • C.The chutes in No.1 hold should be directed to the starboard side
  • D.A severe list to starboard has developed and all loading should cease

Which vessel is most likely to be loaded full but not down ________.

  • A.A bulk carrier loaded with heavy ore
  • B.A bulk carrier loaded with steel
  • C.A break bulk vessel loaded with palletized cargo
  • D.A tanker loaded with heavy grain

Which statement is correct concerning the carriage of coal in bulk ________.

  • A.Coal should be vented with surface ventilation only
  • B.Because of its inherent vice,coal should not be loaded wet
  • C.Dunnage should be placed against ship's sides and around stanchions
  • D.Through ventilation,as well as surface ventilation,should be provided whenever possible

Which statement about the free surface effect is TRUE ________.

  • A.It increases in direct proportion to the length of the tank times the breadth squared
  • B.It decreases at increased angles of heel due to pocketing when a tank is 90% full
  • C.It decreases in direct proportion to increasing specific gravity of the liquid in the tank
  • D.In practice,the correction is considered to be a virtual reduction of KG

Which statement about entry into a space that has been sealed for a long time is TRUE ________.

  • A.A tank that has been used to carry hazardous liquids should be tested for oxygen content,toxicity,and explosive gases
  • B.You can safely enter the space without a breathing apparatus if the oxygen content exceeds 14%
  • C.The natural ventilation through the installed vents is sufficient to provide the proper oxygen content
  • D.The heat of the sun on upper ballast tanks,such as in a bulk carrier,may generate carbon monoxide
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