Каким ходом рекомендуется проходить трещину в поле льда (если трещина немногим больше ширины судна)?

а. Самым малым ходом

в. Вообще не идти в трещину
с. Малым ходом
d. Средним ходом

25. Можно ли судну длительное время оставаться неподвижным в сплоченным льду?

а. Нет
в. Да
с. Да, если толщина льда менее 0.5 м
д. Да, если толщина льда менее 1 м

		A ship turns around a point called the ''pivot point". What is the position of this point when the ship is stopped in the water?
	A B C D	At the ship's centre of gravity. Near the ship's stern. Outside of the ship's centre line. Near the ship's bow.
		Your ship is equipped with a single right-handed fixed propeller. While steaming full ahead you reverse the engine to stop the ship. How will the ship react?
	A B C D	You will stop in 1.5 times the ship's length. You will sheer to port and stop rather quickly. You will sheer to starboard and gradually lose headway. You will continue on a straight course.
		In relation to squat effect, which of the following statements is incorrect?
	A B C D	Squat results in an increase in ship's draft. Squat results in a decrease in underkeel clearance. Squat results in a decrease in ship's draft. Squat can be a serious problem for deep draft ships.
		What is " ship squat"?
	A   B C D	The sinkage and change of trim caused when the ship is proceeding with a small underkeel clearance Deeper draft caused by operating in fresh rather than salt water A slight increase in underkeel clearance A requirement for ships proceeding up river under low bridges
		In the diagram of a ship's turning circle, what is point C known as?
	A B C D	Pivot Point Centre of Flotation Transfer Point Heading Point
		What shape of hull does a course stable ship usually have?
	A B C D	A long, slim hull. A short, slim hull. A long, wide hull. A short, wide hull.
		The diagram shows the manoeuvring characteristics of a ship. What are the distances A1 and A2 called?
	A B C D	Turning Distance Tactical Diameter Advance Transfer
		When a conventional rudder is put hard over it creates a lift force and a drag force. When the ship has to turn, how much lift force remains if the rudder-angle is decreased to 20 degrees from the hard over position?
	A B C D	About 10%. About 30%. About 50%. About 80%.
		The rudder is in the hard over position, propeller stopped. The ship is turning slowly. What can be done to make her turn faster without increasing forward speed?
	A   B C D	Give full astern until the ship has stopped, then full ahead again with the rudder hard over. Give a kick ahead. Give slow ahead. Give half astern.