Emergency escape breathing device on b

1、The emergency generator or emergency b

The emergency generator or emergency battery is connected to（） on most large ships.Adistribution boardsBsection boardsCemergency switch boardsDmain switch board

2、（）is not installed on the emergency sw

（）is not installed on the emergency switchboard.AAmmeterBVoltmeterCWattmeterDSynchroscope

3、Signaling devices required on inflatab

Signaling devices required on inflatable liferafts include a(n) （）.AVery pistolBorange smoke signalCair hornDlanter

4、The signal for a fire emergency on an

The signal for a fire emergency on an OSV is（）.Aa 30 second on 30 second off alternating signalBthe continuous blast of the ships whistle f...

5、The self-contained breathing device sh

The self-contained breathing device should not be used in which situation（）.AOxygen deficient spacesBCompartments containing poisonous vaporsCFighting fires that produce heavy smokeDUnderwater search

6、Special thrust devices are provided on

Special thrust devices are provided on ships to improve their （） at zero ship speed when the rudder is relatively ineffective.Abrake capabilitiesBreversing capabilitiesCmaneuvering capabilitiesDacceleration capabilitie