Q653 - Engineering Safety & Environmental Protection, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. A three inch overboard discharge line, located six feet below the waterline, has ruptured and separated from the hull. What would be the minimum number of strokes per minute required from a 8" x 12" x 12" duplex double acting reciprocating bilge pump, operating at 82% efficiency, to keep the bilge level from continuing to riseNot learned 2. Static water pressure on the hull of a ship is greatest at the __________.Not learned 3. If deck cargo is carried, it should be stowed so that it __________.Not learned 4. Before entering any space that has been sealed, its oxygen level should be tested. What level of oxygen in the space is equal to fresh air?Not learned 5. How does good housekeeping prevent fires on a vessel?Not learned 6. A burning mattress is considered as which of the following classes of fire?Not learned 7. A fire in a pile of dunnage would be classified as a __________.Not learned 8. The class of fire on which a blanketing effect is essential to extinguish the fire is __________.Not learned 9. Which of the listed classes of fire would most likely occur in the engine room of a vessel?Not learned 10. A class "D" fire would involve the burning of __________.Not learned 11. A magnesium fire is classified as class _________.Not learned 12. 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 13. Which of the conditions listed is necessary for a substance to burn?Not learned 14. All of the following are part of the fire triangle EXCEPT __________.Not learned 15. When compared to other fire extinguishing agents, water fog __________.Not learned 16. Low velocity water fog is used in firefighting as a __________.Not learned 17. When using foam, a "Class B" fire is extinguished by __________.Not learned 18. Which fire extinguisher is most prone to freezing when stowed in low temperatures?Not learned 19. Which of the following statements is true concerning the Halon 1301 fire extinguishing agent?Not learned 20. Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?Not learned 21. Which extinguishing agent is the best for use on electrical fires?Not learned 22. The advantage of using a dry chemical fire extinguishing agent is __________.Not learned 23. Which of the fire extinguishing agents listed can be used to effectively combat a class "B" fire?Not learned 24. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 25. Except in rare cases, it is impossible to extinguish a shipboard fire by __________.Not learned 26. It is necessary to cool the bulkheads and decks surrounding a compartment where there is a fire in order to __________.Not learned 27. 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 28. To prevent the spread of fire by convection you should __________.Not learned 29. The blocking open or absence of fire dampers can contribute to __________.Not learned 30. In the event of an exhaust duct fire, most dry chemical and carbon dioxide galley range fixed extinguishing systems are automatically activated through the action of a stainless-steel cable, spring and a __________.Not learned 31. If there has been a fire in a closed unventilated compartment it may be unsafe to enter because of __________.Not learned 32. The most effective method of extinguishing a class "A" fire is by __________.Not learned 33. A large fire has developed in the HFO centrifuge room accessed by door "E". To combat the fire, you should __________Not learned 34. 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 35. When approaching a fire from windward, you should shield firefighters from the fire by using an applicator and __________.Not learned 36. 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 37. If a fire ignites in the engine room as a result of a high-pressure fuel oil leak, you should FIRST __________.Not learned 38. The longer an oil fire is permitted to burn, the __________.Not learned 39. When combating a major electrical fire at sea, the main consideration is __________.Not learned 40. In firefighting, the term "protecting exposures" means __________.Not learned 41. A class "B" fire develops on the weather deck amidships of a moored tank vessel. The fire party should man the __________.Not learned 42. 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 43. Fire hoses located at protected fire stations must always be __________.Not learned 44. 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 45. 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 46. A high velocity fog nozzle will produce the most effective spray pattern when the water pressure is not less than __________.Not learned 47. Which of the following components provides a direct source of sea water for the fire main system?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 devices listed would be safe to use in a compartment with insufficient oxygen?Not learned 52. Bunker "C" is classified as a grade __________.Not learned 53. The explosive range of petroleum vapors when mixed with air is __________.Not learned 54. By definition, an example of a flammable liquid is __________.Not learned 55. Which of the petroleum products listed has a flash point below 150°F?Not learned 56. Which of the following conditions is true concerning flammable liquid vapors with a concentration above the upper explosive limit?Not learned 57. When preparing to pump flammable liquids with a centrifugal pump, you should __________.Not learned 58. When required to work in an area where explosive gases may accumulate, you should use hand tools which are __________.Not learned 59. Paints and solvents used aboard a vessel should be __________.Not learned 60. A simple precaution to reduce the possibility of accidental fires in the paint locker, is to __________.Not learned 61. The most likely location for a liquid cargo fire to occur on a tanker would be __________.Not learned 62. To prevent oily rags from spontaneously igniting they should be __________.Not learned 63. One of the main concerns when fighting a galley fire is __________.Not learned 64. Which of the following hazards is associated with the handling of petroleum products?Not learned 65. An oxygen indicator will detect _________.Not learned 66. Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?Not learned 67. If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?Not learned 68. The upper explosive limit (UEL) of a mixture of flammable vapors and air is defined as __________.Not learned 69. The reading of a combustible gas indicator indicates the percentage of the __________.Not learned 70. The highest concentration of a harmful substance to which a person may be exposed without danger to health, is termed the __________.Not learned 71. What information can be obtained from a marine chemist's certificate on a tank barge?Not learned 72. A tank or compartment is "gas free" when there is an absence of dangerous concentrations of __________.Not learned 73. 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 74. If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be _______.Not learned 75. 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 76. Combustible gas indicators incorporate the use of a/an __________.Not learned 77. 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 78. The worst atmospheric condition for dispersion of hydrogen sulfide is __________.Not learned 79. A compartment is tested and found to contain 20.8% oxygen by volume, permissible concentrations of toxic materials, and concentrations of flammable gas just below the lower flammable limit. If the residues are not capable of producing toxic materials or flammable concentrations, what would be the designation listed on the marine chemist's certificate?Not learned 80. Which of the following limitations is correct regarding gas masks, otherwise called filter masks?Not learned 81. A high concentration of hydrogen sulfide gas is most likely to be found in which of the locations listed?Not learned 82. 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 83. High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________.Not learned 84. A tank has been sealed and unventilated for a long period of time. Which of the following statements is true?Not learned 85. 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 86. 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 87. Small oil spills on deck can be prevented from contaminating any waters by __________.Not learned 88. 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 89. Which of the following is considered "discharge" as it applies to the pollution regulations?Not learned 90. 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 91. 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 92. When amendments are made to the shipboard oil pollution emergency plan, all revisions must be submitted to the Coast Guard __________.Not learned 93. In accordance with 33 CFR Subchapter O (Pollution), a shipboard oil pollution emergency plan is required to be reviewed __________.Not learned 94. According to 33 CFR Subchapter O (Pollution), when dumping garbage into the sea, other than special areas, __________.Not learned 95. If you see an individual fall overboard, you should __________.Not learned 96. An immersion suit should be equipped with a/an __________.Not learned 97. In accordance with 46 CFR, life jackets should be stowed in __________.Not learned 98. Which of the following statements is TRUE concerning life jackets?Not learned 99. Kapok life jackets require proper care and should NOT be __________.Not learned 100. The hand brake of a lifeboat winch is __________.Not learned 101. If a life raft should capsize, __________.Not learned 102. Using a sea anchor when in a life raft will __________.Not learned 103. When launching an inflatable life raft, you should make sure that the operating cord is __________.Not learned 104. In heavy seas the helmsman should steer the survival craft __________.Not learned 105. When the survival craft is supplied with bottles of compressed air, they are used for __________.Not learned 106. When inspecting a survival craft, you should check to make sure that the __________.Not learned 107. The survival craft engine is fueled with __________.Not learned 108. Who is responsible for lowering the survival craft?Not learned 109. When a vessel is inclined, the tendency for it to return to its original position is caused by the __________.Not learned 110. Reserve buoyancy is the __________.Not learned 111. The center of volume of the immersed portion of the hull is given which term?Not learned 112. The water in which a vessel floats provides vertical upward support. The point through which this support is assumed to act is known as the center of __________.Not learned 113. Stability is determined principally by the relationship of the center of gravity and the __________.Not learned 114. With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned with the __________.Not learned 115. Clogged limber holes can endanger a ship's stability by __________.Not learned 116. What standard mathematical formula is commonly used to calculate a vessels waterplane area for stability purposes?Not learned 117. The horizontal fore and aft movement of a vessel is called __________.Not learned 118. The vertical motion of a floating vessel is known as __________.Not learned 119. Pitching is angular motion of the vessel about what axis?Not learned 120. A vessel trimmed down by the bow has __________.Not learned 121. The tendency of a ship to resist a change in trim is __________.Not learned 122. In the absence of external forces, adding weight to one side of a floating vessel, will cause the vessel to __________.Not learned 123. 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 124. Your ship has run aground and it is necessary to determine whether or not a compartment has flooded. Therefore, you should __________.Not learned 125. Progressive flooding in the engine room may be minimized by securing watertight boundaries and __________.Not learned 126. Wooden shoring, with a cross-sectional dimension of 4" X 4" should not be longer than __________.Not learned 127. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.Not learned 128. The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.Not learned 129. An acceptable method of temporarily sealing a crack formed in the hull of a vessel is to __________.Not learned 130. According to U.S. regulations, what vessels are required to have the "Discharge of Oil Prohibited" placard?Not learned 131. Individuals who have consumed alcohol within 24 hours of exposure to H2S can tolerate __________.Not learned 132. Which type of respiratory protection is preferable for repair/investigation personnel on a MODU in a hydrogen sulfide (H2S) environment?Not learned 133. Which abbreviation represents the height of the center of buoyancy?Not learned 134. In the absence of external forces, the center of gravity of a floating vessel is located directly above the __________.Not learned 135. 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 136. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 137. 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 138. When should the external inflation bladder on an immersion suit be inflated?Not learned 139. The important stability parameter "KG" is defined as the __________.Not learned 140. You are involved in an emergency landing of a helicopter on the water. You should inflate your life jacket __________.Not learned 141. An extinguishing agent which effectively cools, dilutes combustible vapors and provides a heat and smoke screen is __________.Not learned 142. When personnel are lifted by a helicopter from an inflatable life raft, the personnel on the raft should __________.Not learned 143. While retrieving the survival craft, the engine should be stopped __________.Not learned 144. What is the weight of the liquid displaced by a vessel floating in sea water equal to?Not learned 145. The ability of a vessel to remain in a stable position is controlled by the interaction of two opposing forces, __________.Not learned 146. In accordance with 33 CFR Subchapter O (Pollution), the Oil Record Book for all U.S. ships ________.Not learned 147. 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 148. In accordance with 33 CFR Subchapter O (Pollution), the overall responsibility in maintaining the Oil Record Book is given to the __________.Not learned 149. In accordance with 33 CFR Subchapter O, shipboard pollution prevention regulations are enforced by the __________.Not learned 150. If additional weight is placed on the main deck of the vessel shown in the illustration __________Not learned 151. The air flow depicted in figure 1 of the illustration is an example of which type of ventilationNot learned 152. Annual servicing of a hand portable CO2 fire extinguisher includes __________.Not learned 153. During cargo operations, a deck fire has occurred due to a leaking cargo line. You should FIRST __________.Not learned 154. On a cargo ship equipped with a combination fire detection/carbon dioxide extinguishing system, the presence of fire is indicated at the cabinet simultaneously in two spaces: No.3 hold upper between decks, containing bagged coffee beans; and No.4 lower hold containing fertilizer. To combat these fires, you should __________.Not learned 155. You are in compartment "A" as shown in Figure 2 of the illustration, and suspect there is a fire in compartment "B". In order to check for and confirm the fire in compartment "B" you should __________Not learned 156. The component shown in the illustration would be installed in which of the following types of fire detection systemsNot learned 157. The device shown in the illustration is carried aboard tankships for __________Not learned 158. Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an __________.Not learned 159. In fighting a fire in a fuel tank, the FIRST action you should attempt is to __________.Not learned 160. In figure 1 of the illustration, fire would spread to compartment "B" by__________Not learned 161. The fire extinguishing equipment shown in the illustration is a large __________Not learned 162. Which of the following procedures reduces the possibility of an interior ventilation duct fire from rapidly spreading?Not learned 163. Which of the following statements is true concerning the fire extinguisher shown in the illustrationNot learned 164. Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?Not learned 165. Which of the following statements is true regarding oxygen indicators?Not learned 166. A hand portable CO2 fire extinguisher is effective on burning oil only __________.Not learned 167. 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 168. In the illustration shown, the sea painter is identified as item number _____Not learned 169. Which of the listed characteristics applies to a semi-portable CO2 system?Not learned 170. Through which of the listed processes is sufficient heat produced to cause spontaneous ignition?Not learned 171. To operate a carbon dioxide extinguisher having the type of head shown in the illustration, you would _________Not learned 172. Where are "prohibited oil spaces" specified in the Pollution Prevention Regulations 33 CFR Subchapter O?Not learned 173. What is the purpose of opening the doors and portholes in figure 2 of the illustrationNot learned 174. If you see an individual fall overboard, what is the FIRST thing you should do?Not learned 175. 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 176. A ship's low-pressure CO2 fixed fire extinguishing system is normally designed for a storage tank pressure and temperature of approximately __________.Not learned 177. The source of power for the CO2 discharge alarm siren is obtained from __________.Not learned 178. 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 179. Any tanks located below the vessel’s center of gravity should be __________.Not learned 180. Your vessel is equipped with totally enclosed lifeboats. Which of the following statements is correct should the boat be enveloped in flames?Not learned 181. Victual waste is __________.Not learned 182. What would be the classification of the fire if the sources shown in illustration #1 were to catch fire? SF-0051Not learned 183. 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 184. A three inch overboard discharge line, located six feet below the waterline, has ruptured and separated from the hull. What would be the minimum number of strokes per minute required from a 10" x 8" x 12" duplex double acting steam operated reciprocating bilge pump, operating at 96% efficiency, to keep the bilge water level from continuing to rise? (231 cu in = 1 gal) Illustration SF-0034Not learned 185. Bunker "C" is classified as a grade __________.Not learned