Q623 - Engineering Safety & Environmental Protection, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. Static water pressure on the hull of a ship is greatest at the __________.Not learned 2. In a compartment that has been completely flooded with water, the greatest pressure will be exerted _________.Not learned 3. Which of the precautions listed should be observed when taking on diesel fuel?Not learned 4. When should you expect to find an insulating flange in a fueling hose?Not learned 5. To determine if all requirements of the Declaration of Inspection are met for oil transfer operations just prior to bunkering from a shoreside facility, __________.Not learned 6. One consideration for determining the safest maximum rate at which bunker fuel may be received is by the __________.Not learned 7. Why is it important for double bottom fuel oil tanks not to be topped off when loading fuel at cold temperatures?Not learned 8. As a precaution against oil spills when topping off fuel tanks, you should __________.Not learned 9. In accordance with 33 CFR Subchapter O (Pollution), who makes the final decision of when oil transfer may begin?Not learned 10. In accordance with 33 CFR Subchapter O (Pollution), no person may serve as the person in charge of oil transfer operations on more than one vessel at a time __________.Not learned 11. An LNG carrier has an approved type of gas detecting system to detect methane leaks in the __________.Not learned 12. If deck cargo is carried, it should be stowed so that it __________.Not learned 13. To prevent oil from escaping into the sea when ballasting through the cargo piping system, you should FIRST __________.Not learned 14. After ballasting a fuel tank, which of the listed valves should you close FIRST?Not learned 15. How does good housekeeping prevent fires on a vessel?Not learned 16. The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as __________.Not learned 17. Which of the conditions listed is necessary for a substance to burn?Not learned 18. All of the following are part of the fire triangle EXCEPT __________.Not learned 19. Low velocity water fog is used in firefighting as a __________.Not learned 20. When using foam, a "Class B" fire is extinguished by __________.Not learned 21. Which of the following statements is true concerning the Halon 1301 fire extinguishing agent?Not learned 22. Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?Not learned 23. Which extinguishing agent is the best for use on electrical fires?Not learned 24. The advantage of using a dry chemical fire extinguishing agent is __________.Not learned 25. The most important characteristic of a fire extinguishing agent to be used on electrical fires is for the agent to be __________.Not learned 26. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 27. Except in rare cases, it is impossible to extinguish a shipboard fire by __________.Not learned 28. It is necessary to cool the bulkheads and decks surrounding a compartment where there is a fire in order to __________.Not learned 29. The spreading of fire as a result of heat being carried through a vessel's ventilation system, is an example of heat transfer by __________.Not learned 30. To prevent the spread of fire by convection you should __________.Not learned 31. Radiation can cause a fire to spread by __________.Not learned 32. The blocking open or absence of fire dampers can contribute to __________.Not learned 33. If there has been a fire in a closed unventilated compartment it may be unsafe to enter because of __________.Not learned 34. The most effective method of extinguishing a class "A" fire is by __________.Not learned 35. A large fire has developed in the HFO centrifuge room accessed by door "E". To combat the fire, you should __________Not learned 36. When fighting a shipboard fire, crew members securing doorways, hatches, and applying cooling water to adjacent decks and bulkheads, while monitoring the spread of heat and smoke, are setting a _________.Not learned 37. When approaching a fire from windward, you should shield firefighters from the fire by using an applicator and __________.Not learned 38. The best means of combating an oil fire on the surface of the water surrounding a vessel tied to the pier, is to use __________.Not learned 39. When fighting a liquefied natural gas fire, you should __________.Not learned 40. If a fire ignites in the engine room as a result of a high-pressure fuel oil leak, you should FIRST __________.Not learned 41. The longer an oil fire is permitted to burn, the __________.Not learned 42. When combating a major electrical fire at sea, the main consideration is __________.Not learned 43. If a fire occurs in an electric cable, in which the inner layers of insulation, or the insulation covered by armor is burning, you should __________.Not learned 44. Fire hoses located at protected fire stations must always be __________.Not learned 45. When the cotton cover of a fire hose becomes oily or greasy, it should be washed with a solution of mild soapy fresh water and _______.Not learned 46. A low velocity fog applicator is retained in an all-purpose nozzle by a bayonet joint. The applicator is prevented from rotating in the joint by __________.Not learned 47. A high velocity fog nozzle will produce the most effective spray pattern when the water pressure is not less than __________.Not learned 48. Fire detecting systems on merchant vessels may be arranged to sense __________.Not learned 49. In a typical automatic fire alarm system, all zone circuits are always connected __________.Not learned 50. The bypass valve on a self-contained breathing apparatus (SCBA) bypasses __________.Not learned 51. Which of the components listed are interchangeable between different backpack self-contained breathing apparatus produced by various manufacturers?Not learned 52. Which of the devices listed would be safe to use in a compartment with insufficient oxygen?Not learned 53. Bunker "C" is classified as a grade __________.Not learned 54. The explosive range of petroleum vapors when mixed with air is __________.Not learned 55. The vapors given off by heated fuel oil are flammable, explosive, and __________.Not learned 56. As its temperature rises, the volume of fuel oil stored in a tank will __________.Not learned 57. Which of the following conditions is true concerning flammable liquid vapors with a concentration above the upper explosive limit?Not learned 58. When preparing to pump flammable liquids with a centrifugal pump, you should __________.Not learned 59. When required to work in an area where explosive gases may accumulate, you should use hand tools which are __________.Not learned 60. Paints and solvents used aboard a vessel should be __________.Not learned 61. A simple precaution to reduce the possibility of accidental fires in the paint locker, is to __________.Not learned 62. The most likely location for a liquid cargo fire to occur on a tanker would be __________.Not learned 63. Hazardous conditions exist which may result in spontaneous combustion when __________.Not learned 64. To prevent oily rags from spontaneously igniting they should be __________.Not learned 65. One of the main concerns when fighting a galley fire is __________.Not learned 66. An oxygen indicator will detect _________.Not learned 67. Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?Not learned 68. If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?Not learned 69. The upper explosive limit (UEL) of a mixture of flammable vapors and air is defined as __________.Not learned 70. The reading of a combustible gas indicator indicates the percentage of the __________.Not learned 71. The explosive range of methane is 5% to 15% by volume in air. This means a vapor/air mixture of __________.Not learned 72. The highest concentration of a harmful substance to which a person may be exposed without danger to health, is termed the __________.Not learned 73. What information can be obtained from a marine chemist's certificate on a tank barge?Not learned 74. A tank or compartment is "gas free" when there is an absence of dangerous concentrations of __________.Not learned 75. If, in a compartment or space, the gas or oxygen content is not within permissible concentration, and dangerous gases are either present, or may be produced by residues, what would be the safety designation listed on a marine chemist's certificate?Not learned 76. While in a foreign port, burning and welding repairs are to be carried out on a section of heating coil located in a tank having last contained a grade "D" product. Which of the following procedures should be followed when a certified marine chemist is not available?Not learned 77. Combustible gas indicators incorporate the use of a/an __________.Not learned 78. For H2S detection, sensitized tapes indicate H2S presence by means of discoloration of an exposed spot on the tape. The shade of the color on the spot depends upon the concentration of H2S and which of the following factors?Not learned 79. The worst atmospheric condition for dispersion of hydrogen sulfide is __________.Not learned 80. A high concentration of hydrogen sulfide gas is most likely to be found in which of the locations listed?Not learned 81. The airborne concentrations of substances (such as hydrogen sulfide) under which nearly all workers may be repeatedly exposed without adverse effects are called __________.Not learned 82. When checking the level of a volatile liquid in a tank on the weather deck of a tank vessel, you should position yourself __________.Not learned 83. In the Oil Record Book, a comprehensive list of operational items are grouped into operational sections. Each section is codified by a/an __________.Not learned 84. In accordance with 33 CFR Subchapter O (Pollution), which of the following operations aboard a tanker must be recorded in the Oil Record Book on a tank-to-tank basis according to Coast Guard Regulations?Not learned 85. When discharging clean ballast, prior to entering the loading port, if the ballast is determined by the oil monitor to exceed 15 parts per million of oil, the deballasting must _________.Not learned 86. Small oil spills on deck can be prevented from contaminating any waters by __________.Not learned 87. In cleaning up an oil spill, the use of straw or reclaimed paper fibers would be an example of which type of oil removal?Not learned 88. Your vessel is taking on bunkers from a shoreside facility. If oil begins flowing from one tank vent, which of the following actions should be taken FIRST?Not learned 89. In accordance with 33 CFR Subchapter O (Pollution), which of the following is a mandatory section of the shipboard oil pollution emergency plan?Not learned 90. In accordance with 33 CFR Subchapter O (Pollution), which of the following is NOT required to be provided as part of the appendixes of the Shipboard Oil Pollution Emergency Plan?Not learned 91. When amendments are made to the shipboard oil pollution emergency plan, all revisions must be submitted to the Coast Guard __________.Not learned 92. In accordance with 33 CFR Subchapter O (Pollution), a shipboard oil pollution emergency plan is required to be reviewed __________.Not learned 93. According to 33 CFR Subchapter O (Pollution), when dumping garbage into the sea, other than special areas, __________.Not learned 94. Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by __________.Not learned 95. Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increased. You therefore should suspect __________.Not learned 96. If you see an individual fall overboard, you should __________.Not learned 97. When collecting condensation for drinking water, __________.Not learned 98. An immersion suit should be equipped with a/an __________.Not learned 99. Which is TRUE concerning immersion suits and their use?Not learned 100. In accordance with 46 CFR, life jackets should be stowed in __________.Not learned 101. Which of the following statements is TRUE concerning life jackets?Not learned 102. In accordance with 46 CFR Subchapter W, the fuel tanks of motor-propelled lifeboats shall be __________.Not learned 103. When lowering lifeboats as the vessel is pitching in heavy seas, a good practice is to rig frapping lines __________.Not learned 104. The hand brake of a lifeboat winch is __________.Not learned 105. If a life raft should capsize, __________.Not learned 106. The canopy of your life raft should __________.Not learned 107. Using a sea anchor when in a life raft will __________.Not learned 108. When launching an inflatable life raft, you should make sure that the operating cord is __________.Not learned 109. In heavy seas the helmsman should steer the survival craft __________.Not learned 110. When the survival craft is supplied with bottles of compressed air, they are used for __________.Not learned 111. To activate an air regeneration canister on a survival craft, you __________.Not learned 112. The survival craft engine is fueled with __________.Not learned 113. When a vessel is inclined, the tendency for it to return to its original position is caused by the __________.Not learned 114. Reserve buoyancy is the __________.Not learned 115. The center of volume of the immersed portion of the hull is given which term?Not learned 116. Stability is determined principally by the relationship of the center of gravity and the __________.Not learned 117. With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned with the __________.Not learned 118. Clogged limber holes can endanger a ship's stability by __________.Not learned 119. What standard mathematical formula is commonly used to calculate a vessels waterplane area for stability purposes?Not learned 120. A vessel trimmed down by the bow has __________.Not learned 121. In the absence of external forces, adding weight to one side of a floating vessel, will cause the vessel to __________.Not learned 122. The symbol shown in the illustration and used as a reference from which the height of the center of gravity is measured, is item number __________Not learned 123. You may improve a vessel's stability by __________.Not learned 124. Increasing the free surface of a confined liquid has the effect of raising the __________.Not learned 125. Excessive free surface occurring in tanks carrying liquid cargo should be avoided in order to __________.Not learned 126. Adverse effects due to free surface will result when __________.Not learned 127. Your ship has run aground and it is necessary to determine whether or not a compartment has flooded. Therefore, you should __________.Not learned 128. Progressive flooding in the engine room may be minimized by securing watertight boundaries and __________.Not learned 129. Wooden shoring, with a cross-sectional dimension of 4" X 4" should not be longer than __________.Not learned 130. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.Not learned 131. Which of the methods shown in the illustration is the correct way to fit shoringNot learned 132. Wooden shoring is used in shipboard damage control to __________.Not learned 133. The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.Not learned 134. An acceptable method of temporarily sealing a crack formed in the hull of a vessel is to __________.Not learned 135. An LNG carrier has an approved type of gas detecting system to detect methane leaks. What area(s) would this be NOT used in?Not learned 136. Individuals who have consumed alcohol within 24 hours of exposure to H2S can tolerate __________.Not learned 137. Span gas is used aboard liquefied natural gas carriers to __________.Not learned 138. Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit. If the gas detector alarm sounds, this means __________.Not learned 139. Which type of respiratory protection is preferable for repair/investigation personnel on a MODU in a hydrogen sulfide (H2S) environment?Not learned 140. Which abbreviation represents the height of the center of buoyancy?Not learned 141. In the absence of external forces, the center of gravity of a floating vessel is located directly above the __________.Not learned 142. While adrift in an inflatable life raft in hot, tropical weather __________.Not learned 143. If the cause of severe list or trim of a vessel is due to off-center ballast, counter-flooding into empty tanks will __________.Not learned 144. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 145. In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by which method?Not learned 146. When should the external inflation bladder on an immersion suit be inflated?Not learned 147. The important stability parameter "KG" is defined as the __________.Not learned 148. You are involved in an emergency landing of a helicopter on the water. You should inflate your life jacket __________.Not learned 149. When personnel are lifted by a helicopter from an inflatable life raft, the personnel on the raft should __________.Not learned 150. While retrieving the survival craft, the engine should be stopped __________.Not learned 151. What is the weight of the liquid displaced by a vessel floating in sea water equal to?Not learned 152. In accordance with 33 CFR Subchapter O (Pollution), each operation involving the transfer of oil or oily mixture that requires an entry in the Oil Record Book shall be fully recorded __________.Not learned 153. In accordance with 46 CFR Subchapter D, the device used for preventing the passage of flames into enclosed spaces of tank vessels is referred to as what?Not learned 154. In accordance with 46 CFR Subchapter W, life jackets must be stowed where?Not learned 155. According to 33 CFR Subchapter O (Pollution), an oceangoing ship of over 400 gross tons must be fitted with a standard discharge shore connection. What size bolt circle diameter is required for this shore connection to transfer oily ballast to a shoreside reception facility?Not learned 156. If additional weight is placed on the main deck of the vessel shown in the illustration __________Not learned 157. Annual servicing of a hand portable CO2 fire extinguisher includes __________.Not learned 158. During cargo operations, a deck fire has occurred due to a leaking cargo line. You should FIRST __________.Not learned 159. In a cartridge-operated dry chemical type fire extinguisher, when the CO2 cartridge is activated, the dry chemical is released from the extinguisher __________.Not learned 160. U.S. regulations require a meeting before starting any oil transfer operation. Who must be in attendance at this meeting?Not learned 161. The device shown in the illustration is carried aboard tankships for __________Not learned 162. Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an __________.Not learned 163. In fighting a fire in a fuel tank, the FIRST action you should attempt is to __________.Not learned 164. In figure 1 of the illustration, fire would spread to compartment "B" by__________Not learned 165. A flat block placed under the end of a shore for the purpose of distributing pressure is referred to as a __________.Not learned 166. Which of the following procedures reduces the possibility of an interior ventilation duct fire from rapidly spreading?Not learned 167. Which of the following statements represents the correct action to take when three crew members discover a fire?Not learned 168. Which of the following statements is true concerning the fire extinguisher shown in the illustrationNot learned 169. Which of the following statements is true regarding oxygen indicators?Not learned 170. Which of the following terms is used to describe water or other liquid that has free surface?Not learned 171. A hand portable CO2 fire extinguisher is effective on burning oil only __________.Not learned 172. A health hazard term listed on a Safety Data Sheet (SDS) that indicates allergic-like reaction in some people after repeated exposure is __________.Not learned 173. In the illustration shown, the sea painter is identified as item number _____Not learned 174. To operate a carbon dioxide extinguisher having the type of head shown in the illustration, you would _________Not learned 175. What is the purpose of opening the doors and portholes in figure 2 of the illustrationNot learned 176. If you see an individual fall overboard, what is the FIRST thing you should do?Not learned 177. Your ship experiences a casualty resulting in flooding. Which of the below listed items is the first that you should do?Not learned 178. Your ship has left shore on the east coast of the United States, how far must you be from shore to be able to discharge paper waste into the Atlantic Ocean?Not learned 179. A ship's low-pressure CO2 fixed fire extinguishing system is normally designed for a storage tank pressure and temperature of approximately __________.Not learned 180. The source of power for the CO2 discharge alarm siren is obtained from __________.Not learned 181. A specific document which identifies a chemical, and lists its physical properties, health hazards, required controls, firefighting procedures, cleanup methods, waste disposal, and the safe handling and storage requirements, is commonly called a __________.Not learned 182. U.S. flag ships may obtain an Oil Record Book from the __________.Not learned 183. An ullage reading is the distance from a given point at the __________.Not learned 184. Your vessel is equipped with totally enclosed lifeboats. Which of the following statements is correct should the boat be enveloped in flames?Not learned 185. Victual waste is __________.Not learned 186. A specific document which identifies a chemical, and lists its physical properties, health hazards, required controls, firefighting procedures, cleanup methods, waste disposal, and the safe handling and storage requirements, is commonly called a __________.Not learned 187. Bunker "C" is classified as a grade __________.Not learned