A、prevent them from falling when the vessel rolls
B、protect personnel from electrical shock
C、increase their operating efficiency
D、prevent unauthorized personnel from operating them
更多“All electrical appliances aboard a vessel should be grounded to（）.”相关的问题
A、wash it with fresh water and apply an external source of heat B、renew the windings C、send it ashore to an approved service facility D、rinse all electrical parts with a carbon tetrachloride cleaning solvent and then blow dry the motor with compressed air
A、A.wash it with fresh water and apply an external source of heat B、B.renew the windings C、C.send it ashore to an approved service facility D、D.rinse all electrical parts with a carbon tetrachloride cleaning solvent and then blow dry the motor with compressed air
A、A.stop ventilation to the area B、B.stop the vessel C、C.secure electricity to the circuit D、D.apply CO2 to the fire
A、A.flush water over any burned area of the patient B、B.apply ointment to the burned areas on the patient C、C.get assistance to shut down electrical power in the area D、D.remove the patient from the vicinity of the live electrical equipment or wiring
A、set apply-groups node$ B、set apply-groups (node) C、set apply-groups $(node) D、set apply-groups (node)all
A、secure the electric supply B、ventilate area to remove smoke C、start the fire pump and lead out hose D、apply foam
A、opposes any change in the applied voltage B、opposes any change in the current flow through the circuit C、aids any changes in the applied voltage D、aids any changes in the current through the circuit
A、prevent them from falling when the vessel rolls B、protect personnel from electrical shock C、increase their operating efficiency D、prevent unauthorized personnal from operating them
A、Electrical energy B、Thermal energy C、Potential energy D、Kinetic energy
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