National Maritime Center - Serving Our Nation's Mariners - QMED U.S.C.G. Merchant Marine Exam - National ...
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National Maritime Center Serving Our Nation’s Mariners U.S.C.G. Merchant Marine Exam QMED Q805 Oiler – Part II (Sample Examination) 8/19/2021 Page 1 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 Choose the best answer to the following Multiple Choice Questions: 1. Under what circumstances could equipment be operated when tagged with DANGER tags? o (A) Whenever you feel that it is safe to do so. o (B) Whenever permission is granted by your supervisor. o (C) Whenever there is a break in the actual maintenance activity. • (D) Never. If choice D is selected set score to 1. 2. According to 33 CFR, which type of Marine Sanitation Device (MSD) is used solely for the storage of sewage and flushwater at ambient air pressure and temperature? o (A) Type I o (B) Type II • (C) Type III o (D) Type IV If choice C is selected set score to 1. 3. Back injuries are one of the most common injuries that result in lost work time. What is the proper technique for lifting an object? o (A) Bend the knees and grasp the object loosely. While keeping the back straight, lift the object by straightening the legs. Move the object while standing erect and keep object away from the body. • (B) Bend the knees and grasp the object firmly. While keeping the back straight, lift the object by straightening the legs. Move the object while standing erect and keep object close to the body. o (C) Bend over and grasp the object firmly. While keeping the legs straight, lift the object by straightening the back. Move the object while standing erect and keep object away from the body. o (D) Bend over and grasp the object loosely. While keeping the legs straight, lift the object by straightening the back. Move the object while standing erect and keep object close to the body. If choice B is selected set score to 1. 4. Where will you find the procedures for the reporting of oil discharge into the water? o (A) The vessel's International Oil Pollution Prevention Certificate • (B) The vessel's Oil Transfer Procedures o (C) The vessel's Oil Record Book o (D) The vessel's Certificate of Inspection If choice B is selected set score to 1. 8/19/2021 Page 2 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 5. In preparing the surface of a metal for application of primers and finish coats, which of the listed hand tools is appropriate for surfaces with significant pitting? • (A) Wire brush o (B) Sandpaper o (C) Chipping hammer o (D) Hand scraper If choice A is selected set score to 1. 6. A thread die will be easier to start if the end of the shaft to be threaded is slightly __________. • (A) chamfered o (B) peened o (C) center drilled o (D) reamed If choice A is selected set score to 1. 7. Through which of the listed processes is sufficient heat produced to cause spontaneous ignition? o (A) Aeration o (B) Anaerobic decomposition • (C) Oxidation o (D) Putrefaction If choice C is selected set score to 1. 8. In general, what type of starter would be used to connect a three-phase induction motor to full line voltage at the instant of start-up? o (A) autotransformer starters • (B) across-the-line starters o (C) resistor starters o (D) VFD starters If choice B is selected set score to 1. 9. Besides extreme exertion in a hot environment such as an engine room, what causes heat cramps which is pain and spasms associated with the abdomen, leg, and arm muscles? o (A) Taking in excessive amounts of salt in an attempt to restore electrolyte balance. • (B) Failure to replace salt lost as a result of profuse sweating. o (C) Taking in excessive amounts of salt and water in an attempt to rehydrate. o (D) Failure to replace water lost as a result of profuse sweating. If choice B is selected set score to 1. 8/19/2021 Page 3 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 10. Auxiliary boilers are divided into several classifications, one of which is __________. o (A) water-tube supercritical circulation • (B) water-tube forced circulation o (C) fire-tube controlled circulation o (D) fire-tube express circulation If choice B is selected set score to 1. 11. At a minimum threshold, how many milliamps of current through the body produces a condition where most people would suffer ventricular fibrillation and could only be resuscitated with a ventricular defibrillator? o (A) 3 to 7 mA o (B) 10 to 16 mA o (C) 30 mA • (D) 75 mA for 5 sec. If choice D is selected set score to 1. 12. While adrift in an inflatable life raft in hot, tropical weather __________. o (A) the canopy should be deflated so that it will not block cooling breezes o (B) the pressure valve may be periodically opened to prevent excessive air pressure • (C) deflating the floor panels may help to cool personnel o (D) the entrance curtains should never be opened If choice C is selected set score to 1. 13. If a sea water-cooled shell-and-tube lubricating oil cooler has the sea water inlet and outlet connections on the opposite end waterboxes, in terms of the number of passes, what statement is true? o (A) The tube-side fluid flow pattern is single-pass. • (B) The number of fluid passes cannot be determined. o (C) The tube-side fluid flow pattern is four-pass. o (D) The tube-side fluid flow pattern is two-pass. If choice B is selected set score to 1. 14. How may chattering of the collector/slip ring brushes on a generator be remedied? o (A) re-insulating the brushes • (B) cleaning the collector rings with a canvas wiper o (C) lubricating brush holders o (D) increasing length of pigtail If choice B is selected set score to 1. 8/19/2021 Page 4 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 15. A metal scribe commonly found on a combination square measuring tool should only be used to __________. o (A) clean file teeth o (B) remove packing • (C) mark on metal o (D) punch gasket holes If choice C is selected set score to 1. 16. The function of item "7" shown in the illustration is to __________. Illustration GS-0153 • (A) prevent separated oil from mixing with the incoming bilge water o (B) support the tank access panel o (C) allow the oil accumulated to exit the device, while remaining separated from the liquid o (D) direct the flow of the oily-water mixture against the coalescer bed If choice A is selected set score to 1. 17. The sorting of accident victims according to the severity of their injuries is called __________. o (A) surveying o (B) prioritizing o (C) evaluation • (D) triage If choice D is selected set score to 1. 18. As shown in the illustration, which brush holder would be appropriate to use in a bidirectional motor? Illustration EL-0029 o (A) trailing mount only • (B) radial mount o (C) leading mount only o (D) both leading and trailing mount If choice B is selected set score to 1. 19. To ensure adequate lubrication and to prevent a high operating temperature, the recommended amount of grease injected into a ball or roller bearing is approximately __________. o (A) 10-25% of the original void space in the bearing • (B) 25-50% of the original void space in the bearing o (C) 50-75% of the original void space in the bearing o (D) 75-95% of the original void space in the bearing If choice B is selected set score to 1. 8/19/2021 Page 5 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 20. What type of eye protection affords the best protection from severe exposure to airborne impact hazards? • (A) Full-face shield and safety goggles o (B) Side-shielded safety glasses o (C) Eyecup or cover-type safety goggles o (D) Full-face shield If choice A is selected set score to 1. 21. A tourniquet should be used to control bleeding only __________. o (A) when the victim is unconscious o (B) to prevent bleeding from minor wounds • (C) when all other means have failed o (D) with puncture wounds If choice C is selected set score to 1. 22. To prevent oil from escaping into the sea when ballasting through the cargo piping system, you should FIRST __________. • (A) start the cargo pump, then open sea suction valves o (B) open block valves, then start the cargo pump o (C) open sea suction valves, then start the cargo pump o (D) open sluice valves, then start the cargo pump If choice A is selected set score to 1. 23. The component shown in the illustration would be installed in which of the following types of fire detection systems? Illustration SF-0004 o (A) Combined fixed temperature and rate-of-rise o (B) Line type pneumatic o (C) Rate-of-rise • (D) Fixed temperature If choice D is selected set score to 1. 24. If a life raft should capsize, __________. o (A) climb onto the bottom o (B) swim away from the raft • (C) right the raft using the righting straps o (D) inflate the righting bag If choice C is selected set score to 1. 8/19/2021 Page 6 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 25. Which of the following statements is TRUE concerning life jackets? o (A) Buoyant vests may be substituted for life jackets. • (B) Life jackets are designed to turn an unconscious person's face clear of the water. o (C) Life jackets must always be worn with the same side facing outwards to float properly. o (D) Lightly stained or faded life jackets will fail in the water and should not be used. If choice B is selected set score to 1. 26. If the speed of a drill is too great, the drill will __________. o (A) not cut • (B) rapidly dull o (C) cut faster o (D) cut slower If choice B is selected set score to 1. 27. When fighting a fire with a portable dry chemical extinguisher you should always __________. o (A) attack the fire from the leeward side o (B) bounce the chemical onto the fire from adjacent structural members o (C) spray the chemical across the tops of the flames • (D) direct the stream of chemical toward the base of the fire If choice D is selected set score to 1. 28. The flash point of a residual fuel oil should be used to determine the highest temperature to which the oil may be heated __________. • (A) in a storage tank o (B) in the recirculating line o (C) for centrifuging o (D) for atomizing If choice A is selected set score to 1. 29. All portable electric tools should have a ground connection to prevent __________. • (A) electric shock if the tool is shorted o (B) burning out the motor from an overload o (C) grounding the plastic case through a short o (D) overloading the motor from a short If choice A is selected set score to 1. 8/19/2021 Page 7 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 30. What is the reading of the Vernier micrometer caliper scale shown in figure "G" in the illustration? Illustration GS-0083 o (A) 0.2280 inch o (B) 0.2340 inch o (C) 0.2520 inch • (D) 0.2470 inch If choice D is selected set score to 1. 31. At a minimum threshold, how many milliamps of current through the body produces a painful sensation that most people would perceive as an electric shock? • (A) 3 to 7 mA o (B) 10 to 16 mA o (C) 30 mA o (D) 100 mA for 2.5 sec. If choice A is selected set score to 1. 32. You have abandoned ship and are in charge of a life raft. How much water per day should you permit each occupant to drink after the first 24 hours? o (A) 1 can • (B) 1 pint o (C) 1 quart o (D) 1 gallon If choice B is selected set score to 1. 33. The control of exhaust temperature on a solid waste/sludge incinerator is critical. How is this temperature normally controlled? • (A) The exhaust temperature is controlled by regulating the admission of relatively cool ambient air into the exhaust stream. o (B) The exhaust temperature is controlled by regulating the admission of auxiliary fuel to the burner. o (C) The exhaust temperature is controlled by regulating the admission of combustion air into the combustion chamber. o (D) The exhaust temperature is controlled by regulating the exhaust gas flow. If choice A is selected set score to 1. 8/19/2021 Page 8 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 34. In heavy seas the helmsman should steer the survival craft __________. • (A) into the seas o (B) broadside to the seas o (C) in the same direction as the seas o (D) in a series of figure-eights If choice A is selected set score to 1. 35. When performing routine AC motor maintenance what should be included? o (A) rotor balance check o (B) verifying RPM if a synchronous motor o (C) inspection of the motor's internals for loose rotor bars or field poles • (D) temperature readings at normal loads to detect abnormal temperature rises If choice D is selected set score to 1. 36. A dial indicator is used to measure __________. o (A) scribed layout lines on vertical surfaces • (B) shaft eccentricity o (C) positive readings only o (D) torque of a shaft If choice B is selected set score to 1. 37. A person has suffered a laceration of the arm. Severe bleeding has been controlled by using a sterile dressing and direct pressure. Which of the following actions should be taken next? o (A) Administer fluids to assist the body in replacing the lost blood. • (B) Apply a pressure bandage over the dressing. o (C) Apply a tourniquet to prevent the bleeding from restarting. o (D) Remove any small foreign matter and apply antiseptic. If choice B is selected set score to 1. 38. Heavy pressure on the ends of a file will cause the work surface to become __________. o (A) rough • (B) rounded o (C) smooth o (D) tapered If choice B is selected set score to 1. 8/19/2021 Page 9 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 39. High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________. • (A) paralyze your breathing system o (B) cause involuntary skeletal muscle contractions o (C) cause eye inflammation o (D) cause dizziness If choice A is selected set score to 1. 40. Before disconnecting a joint in a pipeline, you should __________. • (A) be sure no pressure exists in the line o (B) hang a bucket under the joint o (C) determine the size of the gasket o (D) have a first aid kit on hand If choice A is selected set score to 1. 41. Which of the drill sets listed would commonly be referred to as a "Jobbers Set"? o (A) A set of numbered size drills from 1 to 60. o (B) A set of lettered size drills from A to Z. • (C) A set of fractional size drills from 1/16" to 1/2" o (D) A set of fractional size drills from 1/2" to 2" If choice C is selected set score to 1. 42. What statement below summarizes an engine lubricating oil's viscosity given as 20W-50? o (A) It is formulated for a metric weight of 20 milligrams at 50 deg F. o (B) The "W" designates what the additives are that are added to this oil. o (C) It is formulated for hot summer days when the cooling water temp is 50 deg F higher than the oil temperature. • (D) It is formulated for both a low temperature and a high temperature based on viscosities determined at 100 deg C. If choice D is selected set score to 1. 43. A grease gun is generally used to lubricate a __________. o (A) main turbine bearing o (B) diesel engine wrist pin bearing o (C) generator crosshead bearing • (D) condensate pump ball bearing If choice D is selected set score to 1. 8/19/2021 Page 10 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 44. To anneal a copper gasket, you should heat the gasket __________. • (A) cherry red and quench in water o (B) and let cool slowly in the air o (C) and quench it in oil o (D) and carbonize it If choice A is selected set score to 1. 45. A person manning a fire hose under pressure with an all-purpose nozzle attached, should be aware that the nozzle is most difficult to control when the handle position is changed from __________. o (A) low velocity to high velocity fog o (B) fog to shut • (C) shut to solid stream o (D) solid stream to fog If choice C is selected set score to 1. 46. Which of the gasket types listed is typically used on high-pressure steam flange joints? • (A) Spiral wound metal gasket o (B) Wire-impregnated rubber o (C) High temperature neoprene o (D) Wire-impregnated sheet plastic If choice A is selected set score to 1. 47. The line labeled "G", as shown in the illustration, would be identified as the ______. Illustration GS- 0175 o (A) processed bilge water outlet • (B) separated oil outlet o (C) oily bilge water inlet o (D) clean water flushing line If choice B is selected set score to 1. 48. A definite advantage in the use of water as a fire extinguishing agent is its ability to __________. o (A) absorb smoke and gases as water is converted from liquid to vapor • (B) vaporize and rapidly expand as water absorbs heat o (C) rapidly contract as water is converted from a liquid to a vapor o (D) alternate expansion and contraction as water in liquid state becomes vapor If choice B is selected set score to 1. 8/19/2021 Page 11 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 49. Some heavy duty screwdrivers are made with a square shank to __________. o (A) permit striking with a hammer o (B) prevent the shank from bending • (C) allow turning with a wrench o (D) allow it to be used as a pry bar If choice C is selected set score to 1. 50. Which of the following direct reading pressure gauges is capable of measuring two pressures and displaying the difference between the two? o (A) Compound gauge o (B) Duplex gauge • (C) Differential pressure gauge o (D) Simplex gauge If choice C is selected set score to 1. 51. 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 __________. o (A) radiation ignition o (B) chemical ignition o (C) chemical combustion • (D) spontaneous combustion If choice D is selected set score to 1. 52. On vessels exceeding 1600 GRT, who is responsible for the practical upkeep of machinery and the manning of the engine room? • (A) First assistant engineer o (B) Chief engineer o (C) Officer in charge of the engineering watch o (D) Chief mate If choice A is selected set score to 1. 53. When securing the operation of an inert gas system, the final step should be _________. • (A) secure the salt water supply to the scrubber o (B) close the flue gas isolating valve o (C) secure the inert gas blower o (D) close the deck isolating valve If choice A is selected set score to 1. 8/19/2021 Page 12 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 54. Which of the following shoring materials is a portable beam designed to support a damaged structure? • (A) Shore o (B) Shole o (C) Wedge o (D) Strongback If choice A is selected set score to 1. 55. When drilling a hole in a piece of work chucked in a lathe, you should mount the drill chuck in the __________. o (A) compound rest • (B) tailstock o (C) headstock o (D) cross feed If choice B is selected set score to 1. 56. In what application is an emergency shutdown most likely to be located outside the machinery space when the pump itself is located within the machinery space? o (A) Fire pump o (B) Steering pump • (C) Fuel oil transfer pump o (D) Lube oil circulating pump If choice C is selected set score to 1. 57. What type of direct reading thermometer works on the principle of differential expansion of dissimilar metals as the temperature rises and features a rotary dial scale? o (A) Liquid-in-glass thermometer o (B) Thermocouple pyrometer • (C) Bimetallic thermometer o (D) Bourdon tube thermometer If choice C is selected set score to 1. 58. Which of the following measurements would be an example of total flow? o (A) gallons per minute o (B) pounds per hour o (C) cubic meters per hour • (D) cubic meters If choice D is selected set score to 1. 8/19/2021 Page 13 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 59. The component in an inert gas system used for cleaning the gas of solid and sulfur combustion products, while simultaneously cooling the inert gas, is called the __________. o (A) purifier o (B) filter • (C) scrubber o (D) cooler If choice C is selected set score to 1. 60. Which of the following statements is true regarding oxygen indicators? • (A) Prolonged exposure to gases such as CO2 may affect the accuracy of the indicator. o (B) The instrument is capable of providing an immediate accurate reading of any space with no delay. o (C) A cotton filter placed in the end of the sampling tube prevents damaging the instrument when exposed to strongly acidic gases. o (D) All of the above. If choice A is selected set score to 1. 61. Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent? o (A) Carbon dioxide should be applied slowly to a large engine room fire. • (B) Its smothering effect is excellent for class B fires. o (C) Carbon dioxide is corrosive when exposed to fire. o (D) Its total cooling effect is far greater than water. If choice B is selected set score to 1. 62. Water applied as a "fog" can be more effective than water applied as a "solid stream", because __________. o (A) it reduces the total amount of water that must be pumped into the ship to fight a given fire o (B) it does not have to hit the seat of fire to be effective o (C) a given amount of water can absorb more heat when it is in the form of fog • (D) all of the above If choice D is selected set score to 1. 63. Which of the illustrated motors has a totally enclosed, fan-cooled (TEFC) motor enclosure? Illustration EL-0001 • (A) A o (B) B o (C) C o (D) D If choice A is selected set score to 1. 8/19/2021 Page 14 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 64. What is the primary purpose of a reach rod as used as a valve remote operator? o (A) It changes the type of motion normally required to operate the valve. o (B) It reverses the direction of rotation normally required to operate the valve. o (C) It decreases the turning effort required to operate the valve. • (D) It allows for the operation of valves that would otherwise be out of reach. If choice D is selected set score to 1. 65. When welding or burning aboard a vessel, you must be certain that the space __________. o (A) is properly vented o (B) contains no explosive fumes o (C) has no oil or flammable material in the area • (D) all of the above If choice D is selected set score to 1. 66. What statement is true concerning the specific gravity of the electrolyte solution in a lead-acid battery? o (A) the specific gravity would read close to 1.830 when discharged o (B) the specific gravity remains the same during discharge • (C) the specific gravity gives an indication of the state of charge of the battery o (D) the specific gravity is not affected during charging If choice C is selected set score to 1. 67. What type of direct reading thermometer works on the principle of thermal volumetric expansion of a liquid as the temperature rises and features a linear scale? o (A) Bourdon tube thermometer o (B) Thermocouple pyrometer o (C) Bimetallic thermometer • (D) Liquid-in-glass thermometer If choice D is selected set score to 1. 68. Why do roller bearings have higher loading capacities than ball bearings? o (A) They are installed with tighter clearances. o (B) They have a greater tolerance for high-speed applications. • (C) They have a greater contact area. o (D) They are subject to less pitting and metal fatigue. If choice C is selected set score to 1. 8/19/2021 Page 15 of 22 Q805 Oiler – Part II
Q805 Oiler-Part II U.S.C.G. Merchant Marine Exam QMED Illustrations: 6 69. What is the main purpose of an electric space heater installed in a large AC generator? o (A) prevent acidic pitting of the slip rings • (B) prevent moisture from condensing in the windings during shutdown o (C) keep the lube oil warm for quick starting o (D) prevent the windings from becoming brittle If choice B is selected set score to 1. 70. Which of the listed conditions is a symptom of sun stroke? o (A) Temperature is high, pulse is slow and feeble, and skin is clammy. • (B) Temperature is high, pulse is strong and rapid, and skin is hot and dry. o (C) Temperature falls below normal, pulse is rapid, and skin is clammy. o (D) Temperature falls below normal, pulse is rapid and feeble, and skin is cold and clammy. If choice B is selected set score to 1. 8/19/2021 Page 16 of 22 Q805 Oiler – Part II
National Maritime Center Serving Our Nation’s Mariners EL-0001 Adapted for testing purposes only from MAZUR, Troubleshooting Electric Motors, Fourth Edition Copyright © 2010 by American Technical Publishers, Inc. 10/5/2018 Further reproduction prohibited without permission Page 17 of 22 Q805 Oiler – Part II
National Maritime Center Serving Our Nation’s Mariners EL-0029 Adapted for testing purposes only from HUBERT, Operating, Testing and Preventive Maintenance of Electrical Power Apparatus. Copyright © 2003 Pearson Education 10/5/2018 Further reproduction prohibited without permission Page 18 of 22 Q805 Oiler – Part II
National Maritime Center Serving Our Nation’s Mariners GS-0083 Adapted for testing purposes only from Engine Room Tools Copyright © 1970 by School of Marine Engineering & Navigation 5/29/2019 District 2 MEBA AFL-CIO, Safety & Education Plan Page 19 of 22 Further reproduction prohibited without permission Q805 Oiler – Part II
National Maritime Center Serving Our Nation’s Mariners GS-0153 Adapted for testing purposes only from Operator, Unit and Direct Support Maintenance Manual Including Repair Parts and Special Tools List for Oil Water Separator 9/27/2018 TM 55-1925-285-13 & P Page 20 of 22 Further reproduction prohibited without permission Q805 Oiler – Part II
National Maritime Center Serving Our Nation’s Mariners GS-0175 Adapted for testing purposes only from Heli-Sep Model 550/OCD Technical Manual Copyright © by Coffin World Water Systems 9/27/2018 Further reproduction prohibited without permission Page 21 of 22 Q805 Oiler – Part II
National Maritime Center Serving Our Nation’s Mariners SF-0004 Adapted for testing purposes only from Marine Fire Prevention, Firefighting and Fire Safety Maritime Administration Further reproduction prohibited without permission 10/3/2018 Page 22 of 22 Q805 Oiler – Part II
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