When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is ().
A、set for maximum torque
B、on the purge and vent stroke
C、in the neutral position
D、rotating backwards
A、set for maximum torque
B、on the purge and vent stroke
C、in the neutral position
D、rotating backwards
A、There is something wrong with the derrick at hatch No.2. B、There is something wrong with the derrick at hatch No.1. C、There is something wrong with the winch at hatch No.2. D、There is something wrong with the winch at hatch No.1.
A、when they receive a special token B、when there is a carrier C、when they detect no other devices are sending D、when the medium is idle E、when the server grants access
A、when they receive a special token B、when there is a carrier C、when they detect no other devices are sending D、when the medium is idle E、when the server grants access
A、when they receive a special token B、when there is a carrier C、when they detect no other devices are sending D、when the medium is idle E、when the server grants access
A、When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may result B、When going directly from full ahead to full astern,there is complete steering control C、When the vessel has headway and the propeller is in neutral,there is no effect on rudder control D、When maneuvering in port,full ahead or astern power can usually be obtained without changing shaft RPM
A、There is no impact on performance B、The overhead depends on the settings of the Performance Schema C、There is an overhead for querying the Performance Schema but not for having it enabled D、There is a constant overhead regardless of settings and workload
A、A.When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may result B、B.When going directly from full ahead to full astern,there is complete steering control C、C.When the vessel has headway and the propeller is in neutral,there is no effect on rudder control D、D.When maneuvering in port,full ahead or astern power can usually be obtained without changing shaft RPM
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times