What is the period of time from around 1008 DST (ZD +4) at Canapitsit Channel, MA, on 7 August 1983, in which the current does not exceed 0.4 knot?
A) 0945 to 1031 B) 0950 to 1026 C) 0955 to 1021 D) 1000 to 1024 E)NULL
Arşivler Sorular
You are at anchor in the anchorage at the entrance to Delaware Bay. If you weigh anchor at 1445 DST (ZD +4) on 24 July 1983 and proceed northbound enroute to Philadelphia at a speed of 10 knots, you will have __________.?
A) a flood current the entire trip B) a flood current from Ship John Shoal Lt. to Philadelphia C) an ebb current north of New Castle, DE D) a weak flood between Reedy Island and Edgemoore E)NULL
Which statement is TRUE concerning equatorial tides?
A) They occur when the Sun is at minimum declination north or south. B) They occur when the Moon is at maximum declination north or south. C) The difference in height between consecutive high or low tides is at a…
An orange and white buoy with a rectangle on it displays __________.?
A) directions B) distances C) locations D) All of the above E)NULL
You are in a channel in U.S. waters near an industrial plant with a load/discharge facility for barges. You see an emergency rotating flashing light on the facility light up. What does this indicate?
A) A barge at the facility has commenced transferring a hazardous cargo. B) A barge carrying a hazardous cargo is mooring or unmooring at the facility. C) The facility is warning a barge to shut down transfer operations due to…
The predicted time that the flood begins at the entrance to Delaware Bay is 1526. You are anchored off Chestnut St. in Philadelphia. If you get underway bound for sea at 1600 and turn for 8 knots, at what point will you lose the ebb current?
A) Billingsport B) Marcus Hook C) Mile 63 D) Mile 52 E)NULL
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
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