( ) is an emergency equipment.
A. Cabine ventilator
B. Anchor
C. Lighting equipment of cabine
D. Fresh water pump
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During the shore power connection operation, the shore power switch trip off as soon as it is switched on, the possible reason can be ( ).
A. the marine power station is in operation
B. the phase sequence is not the same with the ship’s power grid or phase loss
C. reverse power relay acts
D. overload protection
For the statement below about the emergency switchboard, ( ) is not true.
A. Both the emergency switchboard and the main switchboard should be installed in the engine room
B. Emergency switchboard often consists of emergency generator control panel and emergency load panel.
C. The emergency switchboard is used to control and monitor the emergency generator sets.
D. Emergency switchboard does not need to be equipped with synchronizing panel and reverse power relay
we can see more ( ) on the load panel than other switches.
A. molded case automatic air circuit breakers
B. automatic air circuit breakers
C. changover switches
D. cubicle switches
( ) are installed on the synchronizing panel.
A. Synchro-scope, synchronization indicators, power factor meter
B. Synchronization indicators, power factor meter and its changeover switch
C. Power factor meter, frequency meter and its changeover switch
D. Synchro-scope, synchronization indicators, frequency meter and its changeover switch
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