Q441 - Ballast Control Operator MODU Operations, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. A weight of 1,000 kips is equivalent to __________.Not learned 2. In MODU construction, a greater number of watertight bulkheads results in __________.Not learned 3. Structural bulkheads on a MODU are usually __________.Not learned 4. When taking soundings on a MODU, coating the tape with chalk helps to __________.Not learned 5. If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, what action should you take FIRST?Not learned 6. Damage stability of a MODU is the stability __________.Not learned 7. Repair of structures on a MODU in the vicinity of liquid mud handling areas presents what possible hazard?Not learned 8. 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 9. Requirements for H2S preparation and equipment usage aboard MODU's in U.S. offshore waters are administered by which of the following organizations?Not learned 10. What is the percentage of oxygen in a typical sample of uncontaminated air?Not learned 11. When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.Not learned 12. What is the FIRST action to take if you detect oil around your tank vessel while discharging petroleum products?Not learned 13. International Oil Pollution Prevention (IOPP) Certificates are required for each U.S. oil tanker at or above how many gross registered tons?Not learned 14. 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 15. Which of the following is required to have a Shipboard Oil Pollution Emergency Plan?Not learned 16. Which is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?Not learned 17. Each person on the rig has a designated area to proceed to in the event of a fire. This assignment is shown clearly on which of the following documents?Not learned 18. A person who observes an individual fall overboard should do which of the following?Not learned 19. On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is __________.Not learned 20. All personnel on board a vessel should be familiar with the rescue boat's __________.Not learned 21. Survival practice in the mooring system is to slack off the tensions on the leeward side and __________.Not learned 22. When the height of the metacenter has the same value as the height of the center of gravity, the metacentric height is equal to __________.Not learned 23. A virtual rise in the center of gravity of a MODU may be caused by __________.Not learned 24. Subtracting the height of the center of gravity corrected for transverse free surface effects from the height of the transverse metacenter of a MODU yields __________.Not learned 25. Subtracting the height of the center of gravity corrected for longitudinal free surface effects from the height of the longitudinal metacenter of a MODU yields __________.Not learned 26. The jettisoning of topside weight from a MODU serves what purpose?Not learned 27. The end of the joint with the exterior threads is called the __________.Not learned 28. Accumulations of H2S gas on a MODU can be dangerous. It is imperative that personnel know that H2S gas possesses which of the listed characteristics?Not learned 29. Among the valves on the DEEP DRILLER which may be opened when using the Salt-Water Service Pump to pump water into Tank 1P is __________.Not learned 30. Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 1P to Tank 10S using #1 ballast pump, is valve __________.Not learned 31. The angle of loll is a stability term which applies to a floating MODU with __________.Not learned 32. Apparent wind speed blowing across a MODU under tow can be measured by a(n) __________.Not learned 33. Bulkheads which form part of the tanks on a MODU are stiffened to withstand __________.Not learned 34. The Cantilever Beam Load Chart for the COASTAL DRILLER shows the limits in the hook setback conductor tension, and __________.Not learned 35. A casing string that is run below the previous casing string but does not extend to the wellhead is called a __________.Not learned 36. The center of flotation for the COASTAL DRILLER is located at the geometric center of the __________.Not learned 37. Until a change to lightweight has been approved, the weights and center of gravity locations for the changes to lightweight shown in the permanent record for the Deep Driller are treated as __________.Not learned 38. What is the change in the vertical moments for the DEEP DRILLER if 2.0 feet of ballast is transferred from a full ballast tank 3P to an empty ballast tank 10P?Not learned 39. What is the chief advantage of an SCR or AC-DC system over a straight DC system for powering drilling rig machinery?Not learned 40. On the COASTAL DRILLER, the bilge discharge is normally through the __________.Not learned 41. The COASTAL DRILLER has a change of trim by the head of 2.0 feet. What is the change of draft at the forward draft marks?Not learned 42. While the COASTAL DRILLER is elevated, the out-of-level alarm indicates that hull inclination exceeds 0.3°. What should you do?Not learned 43. On the COASTAL DRILLER, except when pumping from a tank, the bilge system valves should be __________.Not learned 44. The COASTAL DRILLER, following discharge of preload, should __________.Not learned 45. On the COASTAL DRILLER, hook load includes the weight of the __________.Not learned 46. The COASTAL DRILLER is loaded as shown in the Sample Load Form Number 1 (Rig Move). If the contents of 6 and 7 drill water tanks are discharged, what would be the new VCG?Not learned 47. The COASTAL DRILLER is operating with a wave clearance of about 20 feet. The out-of-level alarm sounds, and the unit is found to be inclined 0.5-degree bow down. The recommended course of action is to __________.Not learned 48. On the COASTAL DRILLER, the start/stop station for the bilge pumps is located __________.Not learned 49. While the COASTAL DRILLER is in transit, stability is acceptable provided that neither the KGL nor the KGT exceed __________.Not learned 50. The COASTAL DRILLER, with no trim, is at a true mean draft of 10 feet and 10 inches. TM is -6,800 ft-kips. Using only tanks 1, 25, and 26, how many kips of drill water must be transferred to level the jack-up?Not learned 51. In the COASTAL DRILLER, VCG is obtained from the sum of the vertical moments by __________.Not learned 52. The COASTAL DRILLER's ability to meet the damage stability criteria depends on maintaining a watertight integrity, KGL and KGT less than maximum allowed, level attitude, and displacement less than __________.Not learned 53. Considering the changes to lightweight shown in section 5 of the COASTAL DRILLER Manual, the maximum allowable combination of hook, rotary, and setback load for the COASTAL DRILLER with the rotary located 34 feet aft of the transom and two feet to port of the centerline is __________.Not learned 54. The DEEP DRILLER, at 58.0 feet draft in sea water, discharges 200 long tons. What is the new draft?Not learned 55. On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 2S is valve __________.Not learned 56. On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 8S is valve __________.Not learned 57. The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet?Not learned 58. The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in VCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?Not learned 59. The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #1 (see table 8) is dumped, what would be the new draft?Not learned 60. The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the longitudinal metacenter?Not learned 61. The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). According to the deck load graph, how much additional deck load could be added on the unit?Not learned 62. The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard aft column below the waterline. Pumping from tanks 8S and 9S is not sufficient to prevent increasing starboard list and stern down trim. You should consider counterflooding in tank __________.Not learned 63. The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard center column below the waterline. Among the tanks from which you should pump is tank __________.Not learned 64. The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 19 fails in the closed position. You may deballast from tank 9S by pumping from tank 8S by opening valves 20 and __________.Not learned 65. The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival), when an unexpected, slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the longitudinal free surface correction is __________.Not learned 66. For the DEEP DRILLER, the maximum permissible offset which can be tolerated while drilling is __________.Not learned 67. While the DEEP DRILLER is operating as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the port side. If the port aft inclination is slowly increasing, which tank is probably damaged?Not learned 68. In the DEEP DRILLER, VCG is obtained from the sum of the vertical moments by __________.Not learned 69. You discharge food waste overboard at sea. You have recorded your vessel's position as required, what other items must be included in the report?Not learned 70. The downflooding angle for a MODU is the minimum angle at which __________.Not learned 71. The draft of the DEEP DRILLER in the lightweight condition is __________.Not learned 72. Most drill ships and barges have a walled opening below the derrick, open to the water's surface and through which various drilling tools can pass down to the sea floor called a __________.Not learned 73. A drilling bit which is doughnut shaped to permit recovery of the center portion of the hole drilled is called a __________.Not learned 74. Drilling loads on the COASTAL DRILLER are the combined loads arising from conductor tension, rotary, hook, and __________.Not learned 75. While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to starboard and forward. Strong winds and high waves are from the port quarter. Among the possible causes, you should consider __________.Not learned 76. While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers a sudden unexpected starboard and aft inclination. The wind and waves are light. What might have caused the inclination?Not learned 77. While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing port and forward inclination. The wind and waves are light. This inclination could have been caused by __________.Not learned 78. When drilling from a MODU, the conductor casing is landed with its top extending to just __________.Not learned 79. What is the effect of high concentrations of H2S gas on personnel?Not learned 80. The effect of ocean currents is usually more evident on a rig being towed than on a tug navigating independently because the __________.Not learned 81. Environmental loading consists of the forces caused by wind, waves, and __________.Not learned 82. When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is __________.Not learned 83. Failure of both port ballast pumps on the DEEP DRILLER prevents their use. To deballast from tank 1P, you may use the __________.Not learned 84. What is the female section of a tool joint called?Not learned 85. Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by __________.Not learned 86. What fitting should you install in the rig piping to a pump to facilitate disconnecting the pump for servicing?Not learned 87. Which of the following would be the most probable location to encounter explosive and flammable gasses on a MODU?Not learned 88. Coast Guard regulations require a shipboard oil pollution emergency plan to be reviewed __________.Not learned 89. Given the same water depth and mooring tension, the holding power of a 90 pound/foot chain mooring system in comparison to the holding power of a 19 pound/foot wire rope mooring line will be __________.Not learned 90. You have been granted authorization to use chemical agents on an oil spill. What is the main purpose for using the chemicals?Not learned 91. The height of the metacenter above the keel will vary depending on the __________.Not learned 92. The height of the transverse metacenter for a MODU is 62.44 feet. The height of the center of gravity is 56.10 feet, and the transverse free surface correction is 1.21 feet. What is the value of the metacentric height corrected for transverse free surface effects?Not learned 93. A hurricane has recurved to the northeast and its forward speed is 20 knots. Your MODU is located 600 miles northeast of the hurricane's center. How long will it take for the hurricane center to reach your position if it holds its present course and speed?Not learned 94. The intact volume above the waterline of a floating MODU is __________.Not learned 95. An integral part of a blowout preventer that serves as the closing element on an open hole, and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the __________.Not learned 96. A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern?Not learned 97. After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. To keep adequate stability you should __________.Not learned 98. After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. Raising the flooded leg further would adversely affect the boats stability by __________.Not learned 99. Keeping the draft of a MODU at or below the load line mark will ensure that the unit has adequate __________.Not learned 100. With a rig in tow, there is immediate danger to the tug in the event of the __________.Not learned 101. A large valve, usually installed above the ram preventers, that forms a seal in the annular space between the pipe and wellbore or, if no pipe is present, on the wellbore itself is called the __________.Not learned 102. Leg penetration to depths which require pullout forces greater than that which can be supplied by the buoyancy of the hull may exist in __________.Not learned 103. When leveling the elevated COASTAL DRILLER, you may raise the low corner instead of lowering the high corner __________.Not learned 104. Lowering the hull of the COASTAL DRILLER and refloating should be done in favorable weather conditions with wave heights not more than __________.Not learned 105. To maintain a high state of readiness against the possibility of damage and subsequent flooding while aboard the DEEP DRILLER, you should __________.Not learned 106. If a man falls overboard from a rig under tow, you should FIRST __________.Not learned 107. How many independent bilge systems is the COASTAL DRILLER equipped with?Not learned 108. The maximum angle at which the intact stability curves are valid for MODU's is the angle for __________.Not learned 109. The maximum transverse extension of the cantilever for the COASTAL DRILLER places the rotary __________.Not learned 110. What is the minimum required GMT for the DEEP DRILLER in winds less than 70 knots while at a draft of 60 feet?Not learned 111. In MODU drilling operations, the term tripping means __________.Not learned 112. If you must abandon a rig in VERY HEAVY SEAS, in a survival craft, when should you remove the safety pin and pull the hook release?Not learned 113. If you are operating on the Inland Waters of the United States, which of the following may you discharge overboard?Not learned 114. Why can a person's sense of smell not be depended upon to detect H2S?Not learned 115. What is a pinion in a jacking system?Not learned 116. The platform that supports the derrickman when tripping pipe is called the __________.Not learned 117. Why should you preload a mooring system above your precalculated operating mooring tensions?Not learned 118. You are preparing to load fuel oil on a vessel of 300 gross tons constructed after June 30, 1974. Before loading, which statement is TRUE concerning fuel oil tank vents?Not learned 119. The probability of sulfide stress cracking in the presence of hydrogen sulfide is greatest for which of the following materials?Not learned 120. What pump may be used to supplement the bilge pump on the DEEP DRILLER?Not learned 121. Scouring usually occurs with soils such as __________.Not learned 122. Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed __________.Not learned 123. In selecting a tug for moving a MODU, consideration should be given to its __________.Not learned 124. A semisubmersible displacing 700,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs __________.Not learned 125. Semisubmersibles A and B are identical. However, "A" is more tender than "B". This means that "A" relative to "B" has a __________.Not learned 126. The series of valves used to control the return flow in well control operations is called the __________.Not learned 127. A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the __________.Not learned 128. In a severe storm while elevated, the drilling loads on the COASTAL DRILLER must be considered as __________.Not learned 129. The transfer procedures required to be followed on tankships shall contain which item?Not learned 130. The sounding level of 17 lb. per gallon mud in mud pit 2S of the COASTAL DRILLER is 7.75 feet. What is the weight of the mud?Not learned 131. The space around a pipe in a wellbore, the outer wall of which may be the wall of either the borehole or the casing, is the __________.Not learned 132. A special device that, when fitted into the rotary table, transmits torque to the kelly and simultaneously permits vertical movement of the kelly to make the hole is called a __________.Not learned 133. The storage device for nitrogen-pressurized hydraulic fluid, which is used in closing the blowout preventers is called the __________.Not learned 134. During storm conditions on a MODU, the mooring tensions should be adjusted so that __________.Not learned 135. Which term(s) are in the category of "oil" as used in the Oil Pollution Regulations?Not learned 136. A tool consisting of a handle and releasable chain used for turning pipe or fittings of a diameter larger than that which a pipe wrench would fit is called __________.Not learned 137. What is the trim of a jack-up with a forward draft of 12 feet and an after draft of 13 feet?Not learned 138. When two ballast pumps used for deballasting a single tank start cavitating, you should __________.Not learned 139. What type of test determines the pressure at which the formation immediately below the last set casing will take fluid?Not learned 140. An uncontrolled flow of gas, oil, or other well fluids into the atmosphere is called a __________.Not learned 141. Your vessel is carrying 84,000 barrels of oil for discharge. The cargo hoses have an inside diameter of 14 inches. When four hoses are connected to the manifold, the container around the manifold must hold at a minimum how many barrels?Not learned 142. Which vessel is NOT required to have a Pollution Placard posted on board?Not learned 143. When a vessel violates the oil pollution laws, who may be held responsible?Not learned 144. What is the weight of 100 barrels of 17 pound per gallon drilling mud?Not learned 145. The wire ropes of the riser tensioning system are attached to the __________.Not learned 146. The edge of a hurricane has overtaken your MODU in the Gulf of Mexico and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the __________.Not learned 147. Which kind of conditions would you observe as the eye of a storm passes over your vessel's position?Not learned 148. A hydraulic accumulator aboard a MODU is designed to __________.Not learned 149. Reinforcing frames attached to a bulkhead on a MODU are called __________.Not learned 150. If the result of loading a MODU is an increase in the height of the center of gravity, there will always be an increase in the __________.Not learned 151. A hydraulic accumulator aboard a MODU is designed to __________.Not learned 152. Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and which other area?Not learned 153. For the DEEP DRILLER, it is recommended that the number of lower-hull ballast tanks with free surfaces be less than __________.Not learned 154. How much drill water should be transferred from tanks 23 and 24 to tank 1 to level the COASTAL DRILLER, in transit at a draft of 10 feet 6 inches, if the total longitudinal moments are 1,700,000 ft-kips?Not learned 155. Providing you are not sailing in the Red Sea or another special area as listed in ANNEX V of MARPOL, how many miles from land must you be to throw garbage including bottles, rags, and glass that has not been ground up into the sea?Not learned 156. Salt water ballast tank 2P on the DEEP DRILLER contains 5.0 feet of ballast. It is decided to fill the tank. What is the VCG of the added liquid?Not learned 157. The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are back-loaded to an offshore supply vessel, what transverse moment would have to be created to level the unit in list at the new draft?Not learned 158. The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 Drill Water Tanks are discharged, what is the new transverse free surface correction?Not learned 159. The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips. What is the weight of the missing load?Not learned 160. The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new TCG?Not learned 161. The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of vertical moments for Fuel Oil if the entire contents of Tank 4P are transferred to Tank 4S?Not learned 162. The sounding for Drill Water Tank #18 for the Coastal Driller is 1.25 feet. It is decided to fill the tank. What is the vertical center of gravity for the added liquid?Not learned 163. What are the vertical moments for P-Tank #1 on the DEEP DRILLER if the ullage is 3.0 feet?Not learned 164. What is the change in transverse moments for the DEEP DRILLER if 103.48 long tons of ballast is discharged from a full ballast tank 1P?Not learned 165. What is the maximum amount of variables that may be taken aboard the COASTAL DRILLER while loaded as shown in the Sample Load Form #3 (drilling)?Not learned 166. When the ullage is 5.7 feet in P-Tank #6 for the Deep Driller, the transverse moment for P-Tank #6 is __________.Not learned 167. When the ullage is 6.4 feet in P-Tank #5 for the Deep Driller, what is the value of the longitudinal moment?Not learned 168. Your oceangoing vessel is required to have a waste management plan. Which procedures must be described in this written plan?Not learned 169. For the DEEP DRILLER, what are the vertical moments for a sounding of 10 feet in tank C3P?Not learned 170. The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port center column below the waterline. Among the tanks from which you should pump is tank __________.Not learned 171. While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to port and aft. Strong winds and high waves are from the starboard bow. Among the possible causes, you should consider __________.Not learned