When under maneuvering conditions with the machinery being manually operated the control unit or console should be() A.automatically controlledB.off powerC.continuously mannedD.continuously unmanned
When under maneuvering conditions with the machinery being manually operated the control unit or console should be()
A.automatically controlled
B.off power
C.continuously manned
D.continuously unmanned
相关考题:
There is no surgical patient I cannot treat competently,_________ just as well as or better than any surgeon. A. treatB. cureC. operateD. deal
WhichphaseincludestheactivityofassistingthecustomertomonitortheirCiscoUnifiedCommunicationssystemperformanceandtorespondtotroublereports() A.MaintainB.DeployC.OperateD.Optimize
Vessels carrying ______ must not willfully wash decks or holds.A.General cargoB.Steel productsC.Harmful cargoD.Machinery