Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG Deck General (Set 30)
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Question 1 of 30
On a vessel, constructed after 1970, carrying grades A, B, C or D cargoes, what can NOT segregate enclosed spaces where sources of vapor ignition are normally present from cargo tanks?
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30 MCQs #1 On a vessel, constructed after 1970, carrying grades A, B, C or D cargoes, what can NOT segregate enclosed spaces where sources of vapor ignition are normally present from cargo tanks? #2 In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily water separator? #3 Pinching of the cargo hose between the vessel and the dock should be prevented by __________. #4 According to the regulations, normally, manholes in LFG tanks are located __________. #5 What type of heat must be applied in order to raise the temperature of water from 60 degrees F to 180 degrees F? #6 You are in the process of loading 465,000 barrels of cargo oil. At 1030, on 5 November, you gauge the vessel and find that you have loaded 203,000 barrels. At 1200, you find that you have loaded 219,000 barrels. If you continue loading at the same rate, you will finish at approximately __________. #7 You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could be caused by __________. #8 Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? #9 When bunkering at a dock which of the following signals must be displayed? #10 Which of the following describes the flash point temperature of a liquid? #11 Regulations require that venting for cargo tanks in which only grades D or E liquids are to be transported shall, as a MINIMUM, be of which type? (tank barge constructed on or after July 1, 1951) #12 To prevent the overflow of cargo tanks due to expansion, where should you top off? #13 What certificate verifies that a liquefied gas tanker complies with the requirements with regard to their structure, equipment, fittings, arrangements, and materials? #14 Every U.S. crude oil tankship with a keel laying date on or after 1/1/75, shall be equipped with an inert gas system if the tonnage is more than __________. #15 A portion of the cargo of an LNG carrier boils off during each voyage. How is the cargo boil off normally handled? #16 When discharging cargo from a tank barge, in which case may the cargo pass through or over the towing vessel? #17 What is the heat given to or given up by a substance while changing state? #18 According to Coast Guard Regulations (46 CFR), when loading, or discharging oil in bulk at a dock, which of the following signals must be displayed? #19 What is the most common liquified gas cargo? #20 What is the first action you should take to prevent oil from escaping into the sea when ballasting through the cargo piping system? #21 You are loading 530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels. When will you complete loading if you continue at the same rate? #22 A tanker is loaded with 12,000 barrels of #2 fuel oil. The temperature of the product is 88°F. API gravity is 39°. The volume correction factor (VCF) is .0005. The net amount of cargo in barrels, loaded is _________. #23 How many low-velocity spray applicators are required on the weather decks of a tankship? #24 You are requisitioning stores for your tank vessel. What type of matches are permitted aboard? #25 What is NOT a requirement of cargo piping installed in tank vessels carrying grade D or E cargo ONLY? #26 You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks? #27 Which of the terms best describes the process of the production of vapor above the surface of a boiling cargo due to evaporation on an LNG tanker? #28 What is a characteristic of all centrifugal cargo pumps? #29 What type of vent is required on a barge transporting No. 6 fuel oil? #30 The most likely time for oil pollution while bunkering is when __________.
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