Which statement concerning GPS is TRUE?
A) It cannot be used in all parts of the world. B) There are 12 functioning GPS satellites at present. C) It may be suspended without warning. D) Two position lines are used to give a 2D fix. E)NULL
Soru Kategorisi Güverte
Deviation which is maximum on intercardinal compass headings may be removed by the __________.?
A) Flinders bar B) transverse magnets C) fore-and-aft magnets D) soft iron spheres on the sides of the compass E)NULL
What happens because of augmentation?
A) The Moon appears larger as the elevation increases. B) The Sun appears larger when viewed against the darker background of the horizon. C) The horizon appears elevated when observing a bright Sun or Moon at low altitudes. D) The…
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are __________.?
A) accurate only in the Polar regions B) accurate electronic servomechanisms C) hand operated D) accurate only if the vessel is underway E)NULL
What should you expect when you encounter a tsunami in the open ocean?
A) Violent seas from mixed directions B) No noticeable change from the existing sea state C) Winds increasing to gale force from the northwest in the Northern Hemisphere D) A major wave of extreme height and length E)NULL
When using an echo sounder in deep water, it is NOT unusual to __________.?
A) receive a strong return at about 200 fathoms (366 meters) during the day, and one nearer the surface at night B) receive a first return near the surface during the day, and a strong return at about 200 fathoms…
Your ARPA has been tracking a target and has generated the targets course and speed. The radar did not receive a target echo on its last two scans due to the weather. What should you expect under these circumstances?
A) The ARPA will generate data as if the target was still being tracked by radar. B) The ARPA will give an audible and/or visual lost target alarm. C) The ARPA will generate data based on sea return echoes from…
Fog forms when the air __________.?
A) is 50% water saturated B) is 90% water saturated C) temperature is greater than the dew point temperature D) temperature is equal to, or below the dew point temperature E)NULL
You are to sail from Elizabethport, N.J., on 17 November 1983 with a maximum draft of 27 feet. You will pass over an obstruction in the channel near Sandy Hook that has a depth of 25.5 feet. The steaming time from Elizabethport to the obstruction is 1h 50m. What is the earliest time (ZD +5) you can sail on 17 November and pass over the obstruction with 2 feet of clearance?
A) 59 B) 128 C) 159 D) 221 E)NULL
What is the relative bearing of an object broad on the starboard bow?
A) 030° B) 045° C) 060° D) 075° E)NULL