Which device provides the main means in the GMDSS for locating ships in distress or their survival craft().
- ARadio direction finder
- BSatellite EPIRBs
- CMF/HF DSC
- DVHF homing device
Which device provides the main means in the GMDSS for locating ships in distress or their survival craft().
1、The main bearings are provided with th
The main bearings are provided with thin-walled (), lined with a copper-lead alloy.Asteel guidesBsteel shellsCsteel bearing capsDpig iro
2、Which of the motors for the devices li
Which of the motors for the devices listed below is fitted with an instantaneous overload relay?()AFanBPumpCWinchDMachine tool
3、Which of the following provides Fibre
Which of the following provides Fibre Channel over IP and FCIP Tunneling Service for distance extension, which can enable cost-effective and man...
4、The device, which is installed in the
The device, which is installed in the compressor suction line to prevent liquid from entering the compressor when hot gas defrosting, is called a()Are-evaporatorBreceiverCdehydratorDsolenoid
5、Which device enables a router serial i
Which device enables a router serial interface to connect to the ISDN BRI?()ANT2BNT1CTEDTAETE1
6、Which of the following devices are pro
Which of the following devices are protected from being motorized by a reverse-power relay?()AAlternatorsBWave guidesCExcitersDAmplidyne