Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Subjects (Auxiliaries & Systems) (Set 35)
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Question 1 of 30
In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should __________.
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30 MCQs #1 In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should __________. #2 Which type of lubricating oil method is LEAST likely to have a lube oil strainer or filter? #3 In a forced-feed lubrication system, what statement is true concerning lube oil reservoir/sump residence time? #4 If the bearings of a piece of machinery are fed by a gravity feed lubricating oil system, what statement is true? #5 When the oily-water separator, shown in the illustration, is in operation and processing clear bilge water, what should be the internal water level? Illustration GS-0153 #6 The line labeled "C", as shown in the illustration would be identified as the ______. Illustration GS-0175 #7 What is the normal direction of flow through the device shown in the illustration while operating in the processing mode? Illustration GS-0153 #8 You suspect a problem with the centrifugal fire pump on your ship, and begin to slowly close the discharge valve. Your suspicion is confirmed when the __________. #9 The simplest method to use for determining if a centrifugal pump is operating as designed is to __________. #10 If a centrifugal pump were continually operated with the discharge valve closed the __________. #11 Which of the following statements is true concerning centrifugal pumps? #12 Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by __________. #13 When ordering a new centrifugal pump for installation, what is the advantage of a pump with a double suction impeller over a single suction impeller? #14 What would cause a pump casing distortion that may lead to casing crack(s), leaks and eventual mechanical pump problems? #15 A pneumatic pressure tank is installed in a sanitary system to __________. #16 Referring to the illustrated single zone HVAC system diagram, what statement is true concerning the damper controls? Illustration GS-RA-09
Illustration GS-RA-09: the U.S. Coast Guard has not released this illustration. #17 The unlicensed crew requirements listed on the Certificate of Inspection reads as follows: 3 firemen/watertenders; 3 oilers. The vessel is about to depart on a foreign voyage, and has in the crew: 3 firemen/watertenders, 2 oilers, and one man, whose merchant mariner's document is endorsed QMED, any rating. You should __________. #18 Prior to arrival in Charleston, SC your vessel must conduct drills within 48 hours prior to entry and log that in the vessel logbook. Alternatively, you can log regularly scheduled quarterly drills according to 33 CFR regulations governing ports and waterways safety. Which of the following are included in the drills that must be performed? (1) Operation of the main steering gear from within the steering gear compartment. (2) Operation of the means of communications between the navigating bridge and the steering compartment. (3) Operation of the alternative power supply for the steering gear, if the vessel is so equipped. (4) Operation of the low lube pressure trip on the main engine. (5) Operation of the reverse power relay on the ship's diesel generator. #19 In response to a fire on the main deck or in the accommodation spaces, who would ordinarily report immediately to the scene of the fire and act as second in command of the fire team led by the chief mate? #20 Automatic fire, smoke, and heat detectors are crucial in sizing-up a fire. Which of the following statements about the number of zones reporting is true? #21 In response to a fire in the engine room, who would ordinarily report immediately to the engine control room and assume command of the engine room? #22 Which of the following represents the visual factors that an officer in charge of a fire scene would use to size-up a fire? #23 What statement is true concerning the checks to be undertaken in the "checks prior to transfer" section of the bunkering safety checklist where the transfer is from barge-to-ship? #24 What statement is true when considering bunkering tank volume? #25 Fuel tank tables are given in volumes whereas fuel is delivered by weight in tons. How is volume change represented by beginning and ending ullages converted into weight? #26 A periodic hydrostatic test is being performed on a main steam line between the boiler drum and the throttle valve which has a maximum allowable working pressure of 960 psig. In accordance with 46 CFR regulations pertaining to periodic tests and inspections as related to piping systems, what is the required hydrostatic test pressure for this procedure? #27 According to 46 CFR regulations pertaining to periodic tests and inspections as related to piping systems, under what circumstances is an internal inspection of a non-metallic expansion joint performed by the marine inspector? #28 According to 46 CFR regulations pertaining to periodic tests and inspections as related to fired thermal fluid heaters, regarding hydrostatic tests, what statement is true? #29 According to the 46 CFR regulations applicable to tests, drills, and inspections for offshore supply vessel operations, for an OSV that is expected to be away from shore for at least 48 hours, what is the requirement for when testing communications between the pilot house and the engine room must be accomplished prior to departure? #30 You are the relieving the Chief Engineer of a general cargo vessel of more than 1600 gross tons on an international voyage. You have just signed on the vessel and after reviewing the machinery running hours you notice the Emergency Generator has not been run in over sixty days. How would you proceed?
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