What are reef points used for?
A) Reduce the area of a sail B) Keep the sail taut in light airs C) Reduce the draft if the boat runs aground D) Increase the strength of the mast E)NULL
Arşivler Sorular
Repair of vital machinery and services should start __________.?
A) after control of fire, flooding, and structural repairs B) immediately C) after control of fire, but before control of flooding D) after stability is restored E)NULL
The explosive range of a fuel lies between the lower explosive limit and the __________.?
A) flash point B) ignition temperature C) upper explosive limit D) fire point E)NULL
Repairing damage to the hull at or above the waterline reduces the threat of __________.?
A) free surface effects B) capsizing C) continued progressive flooding D) wind heel E)NULL
For a given weight of cargo, the stress on the heel block of a cargo boom __________.?
A) increases as the cargo closes the head while hoisting B) increases if the cargo runner is doubled up C) decreases as the boom is topped to a greater angle D) is determined by the thrust stresses on the boom…
Your vessel is underway and approaching an overhead obstruction on Lake Superior. Given the following information, determine the clearance between your vessel and the obstruction. Highest point on vessel: 74 ft. Lowest point of obstruction: 126 (LWD) Monthly lake level: +2 (LWD) International Great Lakes Datum: 600.0 (182.88 meters)?
A) 474 feet B) 400 feet C) 175 feet D) 50 feet E)NULL
In some cases, the 50% duty on all foreign repairs made to American flag merchant vessels may be remitted. Which work does NOT come under the remitting policy of U.S. Customs?
A) Chipping, painting, and scaling by foreign labor B) Repairs to hull structural damage C) Repairs due to damage done by heavy weather D) Repairs to the main propulsion machinery E)NULL
You would properly secure a bos’n’s chair to a gantline with a __________.?
A) fisherman’s bend B) bowline C) double sheetbend D) double blackwall hitch E)NULL
In terms of vessel manning, a watch is the ____________ .?
A) direct performance of deck or engine operations in a scheduled and fixed rotation B) performance of maintenance work necessary for the vessel’s safe operation, on a daily basis C) performance of lookout duties D) direct performance of cargo loading…
Which factor does NOT affect the required freeboard of a cargo vessel?
A) Season of the year B) Geographic zone of operation C) Density of the water D) Condition of trim in normal operation E)NULL