How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
A) 50 lbs. B) 100 lbs. C) 150 lbs. D) 200 lbs. E)NULL
Arşivler Sorular
What does “end for end” mean in regard to a towing hawser?
A) To take the kinks out of the hawser B) To fake it down in figure eights C) To increase the catenary D) To swap ends of the hawser to minimize wear E)NULL
If you shorten the scope of anchor cable, your anchor’s holding power __________.?
A) decreases B) increases C) remains the same D) has no relation to the scope E)NULL
In general, an unreinforced vessel can safely navigate in ice provided the concentration does not exceed how many OKTAs?
A) 1 B) 2 C) 3 D) 4 E)NULL
The periodic weight testing of a vessel’s cargo booms may be performed by the __________.?
A) U.S. Coast Guard B) American Bureau of Shipping C) National Cargo Bureau D) Society of Naval Architects and Marine Engineers E)NULL
Which statement is TRUE about the use of a “gogeye”?
A) The gogeye is a precalculated form and ready reference for use by the tug captain. B) The tug can be drawn under its towline by using a capstan to heave in on the gogeye. C) The gogeye is an…
The “inner bottom” is the __________.?
A) tank top B) compartment between the tank top and shell of the vessel C) inner side of the vessel’s shell D) space between two transverse bottom frames E)NULL
What entry on a dangerous cargo manifest concerning the classification of a cargo is correct?
A) Class 8 B) Class 3 – flammable liquid C) Division 2.2 – nonflammable gas D) All of the above are correct E)NULL
In a Williamson turn, the rudder is put over full until the __________.?
A) vessel has turned 90°From her original course B) vessel has turned 60°From her original course C) vessel is on a reciprocal course D) emergency turn signal sounds E)NULL
Which part of a cargo boom has the greatest diameter?
A) Head B) Middle C) Heel D) It has the same diameter along its complete length. E)NULL