【单选题】禁止作业人员擅自变更工作票中指定的接地线位置。如需变更,应由工作负责人征得( )同意,并在工作票上注明变更情况。
【多选题】禁止作业人员擅自变更工作票中指定的接地线位置,若需变更,应由工作负责人征得()同意,并在工作票上注明变更情况。
【单选题】Reserve buoyancy is().
B.
the void portion of the ship below the waterline which is enclosed and watertight
C.
affected by the number of transverse watertight bulkheads
D.
the watertight portion of a vessel above the waterline
【单选题】Serious loss of reserve buoyancy resulting from flooding any compartment of a ship will always ______.
B.
change the free surface effect
D.
decrease ship stability
【判断题】内部审计机构的性质和会计检查机构基本相同,因此不必外设。( )