Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Subjects (Auxiliaries & Systems) (Set 17)
30:00
|Question 1 of 30
Question Navigator
Correct Incorrect Pending Starred
Question 1 of 30
As it pertains to raising and lowering an anchor with a horizontal electro-hydraulic or electro-mechanical anchor windlass, what statement is true?
Browse Questions in Set 17
30 MCQs #1 As it pertains to raising and lowering an anchor with a horizontal electro-hydraulic or electro-mechanical anchor windlass, what statement is true? #2 As it pertains to the automatic electric brake of a capstan, what statement is true? #3 Which capstan drive arrangement requires a flexible coupling between the reduction gear output shaft and the capstan head input shaft? #4 Concerning a conventional mooring winch, what statement is true? #5 As it pertains to a "constant-tension" mooring winch, what statement is true? #6 For an electro-hydraulic cargo-handling pedestal-type deck crane, what event would result in an immediate stop to all crane motions, including slewing, hoisting, and luffing? #7 What statement is true concerning the door interlock devices associated with a winding drum or traction drive passenger elevator onboard ship? #8 What statement is true concerning the platform interlock devices associated with a winding drum or traction drive cargo elevator onboard ship? #9 If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature? #10 Which of the listed temperature sensors consists of finely coiled wire, such as platinum, where the resistance varies directly with temperature? #11 What is the application for a temperature measuring device known as a pyrometer? #12 Which of the following direct pressure measuring instruments is most appropriately used for measuring pressures very close to atmospheric pressure such as boiler furnace draft pressure? #13 For a pneumatic transmission system for instrumentation purposes, if a pneumatic pressure indicator has a calibrated scale of 0 to 1000 psig, what would be the actual measured pressure if the transmitted pneumatic signal pressure to the indicator is 9 psig, assuming the industry standard of 3 to 15 psig is used for instrument air? #14 For an analog electronic transmission system for instrumentation purposes, if an analog pressure indicator has a calibrated scale of 0 to 30 psig, what would be the actual measured pressure if the transmitted analog signal current to the indicator is 12 mA, assuming the industry standard of 4 to 20 mA is used for instrument current? #15 For a pneumatic transmission system for instrumentation purposes, if a pneumatic pressure indicator has a calibrated scale of 0 to 5000 psig, what would be the actual measured pressure if the transmitted pneumatic signal pressure to the indicator is 6 psig, assuming the industry standard of 3 to 15 psig is used for instrument air? #16 In which of the following applications would a mechanical pressure seal be used with a pressure measuring instrument? #17 Which of the following direct pressure measuring instruments is most appropriately used for measuring most pressures, typically above 10 psig and is by far the most common type? #18 What is used to protect a direct sensing steam pressure gauge from damage from contact with steam? #19 What type of liquid level indicator which senses head or pressure requires a supply of compressed air? #20 Which of the following level indicating system sensor types is ideally suited for discrete-level detection as opposed to continuous-level detection? #21 What type of flow measuring device would measure totalized flow volume as opposed to an instantaneous flow rate? #22 Which of the following flow meter primary devices works on the constriction type, differential head principle? #23 For a pneumatic transmission system for instrumentation purposes, if a pneumatic instantaneous flow indicator has a calibrated scale of 0 to 1000 gpm, what would be the actual measured instantaneous flow rate if the transmitted pneumatic signal pressure to the indicator is 9 psig, assuming the industry standard of 3 to 15 psig is used for instrument air? #24 For a pneumatic transmission system for instrumentation and control purposes, what is a common industry standard for pneumatic signal pressure range? #25 For an analog electronic transmission system for instrumentation and control purposes, what is a common industry standard for electronic signal current range? #26 On a ship with a periodically unmanned engine room, the duty engineer is responsible for making machinery space rounds when the engine room is unattended. How often should these machinery space rounds be performed by the duty engineer? #27 On a ship with a periodically unmanned engine room, under what conditions must the propulsion console be continuously manned? #28 Preferably when should the bridge be informed when engine room situations may affect the speed, maneuverability, power supply, or other essentials for the safe operation of the ship? #29 On deep-draft ships, what statement is true concerning high and low sea suctions for machinery space sea water cooling systems? #30 What operating condition (or conditions) would necessitate shifting from a high sea suction to a low sea suction for a machinery space sea water cooling system?
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...