单选题 The officer in charge of the navigational watch shall not be aware of () those equipment on board.
A、the location of
B、the operation of
C、the account of
D、the limitations of
单选题 The purpose of checking the navigational aids is ().
A、to steer the course
B、at frequent intervals
C、to ensure the ship follows the planned course
D、to use them safely
单选题 Every vessel shall at all times maintain a proper lookout ().
A、by sight
B、by sight and hearing
C、by sight and hearing as well as by all available means appropriate to the prevailing circumstances
D、by sight and hearing as well as by all available means except smelling
单选题 When using radar, the officer in charge of the navigational watch shall act in accordance with ().
A、the necessity to comply
B、the COLREGs
C、the effective use of the equipment
D、the provisions on the use of radar
单选题 ()means the power to be used freely.
A、At their disposal
B、Taking account of
C、Interfering with
D、The necessity to comply
单选题 Which of the following statements is true?
A、Improper maintenance led to the steering system failure.
B、Both vessels took effective avoidance action.
C、There was not sufficient depth of water in the channel.
D、Both vessels chose the deep water route.
单选题 What happened in the story?
A、An oil tanker grounded and spilled a large quantity of oil.
B、A bulk carrier collided with a sunken rock and spilled some fuel oil.
C、An oil tanker collided with a bulk carrier and spilled some fuel oil.
D、A bulk carrier collided with an oil tanker and spilled some fuel oil.
单选题 As required by COLREGs, all ships shall () a proper radar lookout if it is available onboard to obtain early warning of risk of collision.
A、take
B、maintain
C、make use of
D、give