Engine · 1,128 questions
General Subjects - USCG Exam Questions
General engineering knowledge: watchkeeping, pumps and piping systems, hydraulics, instrumentation, and shipboard maintenance.
Every question below is a real U.S. Coast Guard exam question with four choices. Answer one and the correct choice is revealed instantly, with the USCG reference and illustration where the question uses one.
All General Subjects questions
Questions 1,001–1,100 of 1,128 · page 11 of 12
- #2186 For a typical diesel engine jacket water cooling system, what location would be generally used to introduce water treatment chemicals?
- #2187 Referring to the illustrated steam plant sea water cooling system drawing, which pump can be used to pump out the main machinery space bilge in a floo... illustration
- #2188 What operating condition (or conditions) would necessitate shifting from a low sea suction to a high sea suction for a machinery space sea water cooli...
- #2189 Referring to the illustrated motor ship fresh water cooling system drawing, what statement is true concerning the turbocharger bypass line associated... illustration
- #2190 As it pertains to the automatic electric brake of a horizontal electro-mechanical anchor windlass, what statement is true?
- #2191 A horizontal electro-mechanical anchor windlass is equipped with two warping heads, two wildcats, two manual brake hand wheels, two clutch control lev...
- #2193 As it pertains to a "constant-tension" mooring winch, what statement is true?
- #2194 Which capstan drive arrangement requires a flexible coupling between the reduction gear output shaft and the capstan head input shaft?
- #2195 What statement is true concerning the platform interlock devices associated with a winding drum or traction drive cargo elevator onboard ship?
- #2196 For an electro-hydraulic cargo-handling pedestal-type deck crane, what event would result in an immediate stop to all crane motions, including slewing...
- #2197 If a hydraulic pump is overheating, the cause may be __________.
- #2198 If a hydraulic pump sounds like it is pumping rocks when in operation, the problem is most likely ________.
- #2199 If a hydraulic pump is producing a noisy whine when in operation, the cause may be __________.
- #2200 Overheating of the oil in a hydraulic system can be caused by __________.
- #2201 Hydraulic machinery failures are commonly caused by misalignment of the system components and by __________.
- #2202 Overheating of a hydraulic system may be a result of __________.
- #2203 If you attempt to tighten a leaking hydraulic fitting with pressure on the system, you will __________.
- #2204 When normal operating pressure is applied to the hydraulic oil in a high-pressure system, the oil __________.
- #2205 When new piping sections have been fabricated for installation in a hydraulic system, prior to installation the piping should be __________.
- #2206 Before doing any work on a hydraulic system equipped with accumulators, you should __________.
- #2207 In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should __________.
- #2208 Which type of lubricating oil method is LEAST likely to have a lube oil strainer or filter?
- #2209 In a forced-feed lubrication system, what statement is true concerning lube oil reservoir/sump residence time?
- #2210 If the bearings of a piece of machinery are fed by a gravity feed lubricating oil system, what statement is true?
- #2217 When the oily-water separator, shown in the illustration, is in operation and processing clear bilge water, what should be the internal water level? I... illustration
- #2219 The line labeled "C", as shown in the illustration would be identified as the ______. Illustration GS-0175 illustration
- #2222 What is the normal direction of flow through the device shown in the illustration while operating in the processing mode? Illustration GS-0153 illustration
- #2225 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...
- #2226 The simplest method to use for determining if a centrifugal pump is operating as designed is to __________.
- #2227 If a centrifugal pump were continually operated with the discharge valve closed the __________.
- #2228 Which of the following statements is true concerning centrifugal pumps?
- #2229 Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by __________.
- #2230 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?
- #2232 What would cause a pump casing distortion that may lead to casing crack(s), leaks and eventual mechanical pump problems?
- #2234 A pneumatic pressure tank is installed in a sanitary system to __________.
- #2242 Referring to the illustrated single zone HVAC system diagram, what statement is true concerning the damper controls? Illustration GS-RA-09 illustration
- #2249 The unlicensed crew requirements listed on the Certificate of Inspection reads as follows: 3 firemen/watertenders; 3 oilers. The vessel is about to de...
- #2255 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, y...
- #2257 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 sec...
- #2258 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 tr...
- #2259 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?
- #2260 Which of the following represents the visual factors that an officer in charge of a fire scene would use to size-up a fire?
- #2261 What statement is true concerning the checks to be undertaken in the "checks prior to transfer" section of the bunkering safety checklist where the tr...
- #2262 What statement is true when considering bunkering tank volume?
- #2263 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 co...
- #2264 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 worki...
- #2265 According to 46 CFR regulations pertaining to periodic tests and inspections as related to piping systems, under what circumstances is an internal ins...
- #2266 According to 46 CFR regulations pertaining to periodic tests and inspections as related to fired thermal fluid heaters, regarding hydrostatic tests, w...
- #2267 According to the 46 CFR regulations applicable to tests, drills, and inspections for offshore supply vessel operations, for an OSV that is expected to...
- #2268 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 th...
- #2269 The firefighting equipment on your general cargo vessel was last inspected by a shore side contractor 12 months ago. To remain in compliance with the...
- #2270 What responsibilities does a Senior Officer have while on Builder's Sea Trials of a new vessel to which one will be assigned?
- #2271 Which of the following maintenance criteria would be the basis of planned maintenance?
- #2272 Which of the following maintenance criteria would be the basis of condition-based maintenance?
- #2273 Which of the following types of maintenance would be considered a reactive approach to maintenance as opposed to proactive?
- #2274 Which of the following types of maintenance would be considered a proactive approach to maintenance as opposed to reactive?
- #2275 In preparing for the assessment of a mariner for competency, the assessor must establish that the appropriate conditions will be present for the asses...
- #2276 What statement is true concerning assessment validity and assessment reliability?
- #2277 Which of the following statements defines reliability as it pertains to assessing mariner proficiency or competency?
- #2279 You are requested by Port State Authority to present records pertaining to Flag State inspections. Which of the following records would you present?
- #2281 Under the federal regulations of 33CFR Subchapter O, if a vessel equipped with a Type II Marine Sanitation Device enters a body of water where the dis...
- #2282 When transitioning from full sea speed to maneuvering speed on a slow-speed diesel powered vessel that features a direct-drive fixed-pitch propeller p...
- #2283 As a management level engineering officer on a motor vessel equipped with engines capable of burning both high sulfur content residual fuels and low s...
- #2284 As a management level engineering officer on a motor vessel equipped with engines capable of burning both high sulfur content residual fuels and low s...
- #2285 As a management level engineering officer, you are apt to be the primary investigator investigating the root cause of the failure of a piece of machin...
- #2287 If it is desired to perform a thermo graphic analysis of a piece of equipment with a suspected possible fault and compare the thermal signature with s...
- #2288 When using a thermal imager for the purpose of conducting a thermo graphic analysis of equipment, what form of energy produces the thermal signature r...
- #2289 If it is desired to perform a thermo graphic analysis of new equipment to gain a thermal signature for purposes of comparison to the thermal signature...
- #2290 As a management level engineering officer planning for the departure of a vessel, what would be the preferred document to use to make sure that you di...
- #2291 When transitioning from maneuvering speed to full sea speed on a slow-speed diesel-powered vessel that features a direct-drive fixed-pitch propeller p...
- #2292 A containership is scheduled to depart the Port of Houston, TX at 0600 on April 7th on a voyage to exceed 48 hours. What is the EARLIEST time that the...
- #2293 As a management level engineering officer on a motor vessel equipped with engines capable of burning both high sulfur content residual fuels and low s...
- #2294 You are a management level engineering officer on a motor vessel. For departure planning purposes, when is the "standby" order typically rung?
- #2295 A very large crude carrier is scheduled to depart of the Port of Long Beach, CA at 0800 on June 28th on a voyage to exceed 48 hours. What is the EARLI...
- #2296 Leadership style sometimes must change with the readiness level of the employees. Which of the following employee readiness level scenarios would be b...
- #2297 Which of the following comprehensive computerized maintenance system database modules would be used to generate a maintenance due report?
- #2298 Which of the following comprehensive computerized maintenance system database modules would contain data such as work and safety procedures?
- #2299 If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, what statement is true as it relates to prepa...
- #2300 If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, what statement is true as it relates to keepi...
- #2301 If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, boilers may be laid up dry. What statement is...
- #2302 If a vessel is to be laid up for an extended period of time with minimal utilities provided where freezing is not a concern; boilers may be laid up we...
- #2303 If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, boilers may be laid up dry. What statement co...
- #2304 Fire and emergency training has three major components: knowledge sessions, skills sessions, and drills. What is the essential difference between skil...
- #2305 In planning for a fire and emergency drill, to insure drill success within the context of a comprehensive fire and emergency training program, what sh...
- #2306 What are the necessary components of a fire and emergency training program onboard ship?
- #2307 According to the International Convention for the Safety of Life at Sea (SOLAS), how often are fire and emergency drills to be conducted at sea and in...
- #2308 Once a fire and emergency drill is conducted, the drill ideally should be critiqued. What of the following statements best describes the essential cha...
- #2310 In accordance with 46 CFR 61, which of the following pressure vessels listed on the ship's Certificate of Inspection would be exempt from hydrostatic...
- #2311 During a vessel dry-docking survey which of the following items are typically required by Class to be surveyed?
- #2312 As Chief Engineer you join a vessel enrolled in Continuous Machinery Survey. Approximately what percent of the machinery should be surveyed per year t...
- #2313 You are putting together a list of Class required work for a vessel's next special survey. Which of the following items would be required by Class?
- #2314 The intermediate survey for a vessel is typically carried out at what point in the survey cycle?
- #2315 During a dry-docking survey it is necessary to check the freeboard marking of a vessel. Which of the following certificates addresses vessel freeboard...
- #2316 You have recently joined a vessel and are reviewing the classification society survey due dates. The last special periodic survey of the vessel was te...
- #2317 The operating motor on one of your ship's watertight doors needs to be replaced. What minimum short-time rating should the replacement motor have in h...
- #2318 Coast Guard electrical engineering regulations specify capacity ratings for electrical equipment. Based on the inspection of the cables on one of your...
- #2319 According to 46 CFR regulations pertaining to tests and inspections as related to automatic auxiliary boilers, the draft limit control must be checked...
- #2320 According to 46 CFR regulations pertaining to tests and inspections as related to automatic auxiliary boilers, the fuel supply control solenoids must...
- #2321 According to 46 CFR regulations pertaining to tests and inspections as related to automatic auxiliary boilers, the fuel pressure limit control must be...
- #2322 According to 46 CFR regulations pertaining to tests and inspections as related to automatic auxiliary boilers burning heavy fuel oil, the fuel tempera...
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The Engine pool holds the current U.S. Coast Guard questions for engineering credentials, from QMED ratings through DDE and Assistant Engineer up to Chief. Answer any question to see the correct choice instantly.