Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG General Navigation (Set 71)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

What is the reaction of a gyrocompass to an applied force known as?

Browse Questions in Set 71

30 MCQs

#1 What is the reaction of a gyrocompass to an applied force known as? #2 Which of the following describes the directive force of a gyrocompass? #3 What is a system of reservoirs and connecting tubes in a gyro compass called? #4 By what means are indications of the master gyrocompass sent to remote repeaters? #5 Which of the following describes gyrocompass repeaters which reproduce the indications of the master gyrocompass? #6 Which of the following may introduce error into a magnetic compass? #7 Which of the following should be done when crossing the magnetic equator? #8 What are the quadrantal spheres used for? #9 What do the soft iron spheres mounted on arms on the binnacle compensate for? #10 Variation is the angular measurement between what two points? #11 Which of the following compensates for errors introduced when a vessel heels over? #12 Which of the following describes the difference between true heading and magnetic heading? #13 What does the Flinders bar on a magnetic compass compensates for? #14 What does a single vertical magnet placed underneath the compass in the binnacle compensate for? #15 Which of the following describes the principal purpose of magnetic compass adjustment? #16 If the magnetic heading is greater than the compass heading, what direction is the deviation? #17 What is the difference between magnetic heading and compass heading called? #18 Your vessel is participating in the Voluntary Observing Ship Program. You are preparing WS Form B-80 as seen in illustration D041NG below. Three-quarters of the sky is covered with clouds, and the anemometer indicates that the apparent wind is from 226° relative at 17.7 knots. You are on course 020°T at 8 knots. How should you encode group Nddff? #19 How many characters does the short text messaging feature of the automatic identification system (AIS) allows for? #20 What is the typical operating range of Automatic Identification Systems (AIS) at sea? #21 On which of the following does an automatic identification system (AIS) transponder transmit and receive information? #22 Which two channels does an automatic identification system (AIS) transponder use to transmit and receive information broadcasts? #23 Automatic identification systems (AIS) are required to do which of the following? #24 When using GPS, how many theoretical position lines are required for a two-dimensional fix? #25 Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope? #26 Which of the following is a standard correction applied to the reading of an aneroid barometer? #27 Which type of fog occurs on clear nights with very light breezes and forms when the earth cools rapidly? #28 Which publication(s) must a towing vessel of 12 meters or more in length carry when operating on US waters other than the Western Rivers? #29 You are inbound in a channel marked by a range. The range line is 216° T. You are steering 213° T and have the range in sight as shown in illustration D048NG below. Which action should you take? #30 You are inbound in a channel marked by a range. The range line is 040° T. You are steering 036°T. The range is in sight as shown in illustration D047NG below, and is closing. Which action should you take?

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...