名词解释题电气设备（electrical equipment）
名词解释题
电气设备（electrical equipment）
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相关考题：
Permanent magnetism is caused by ______.A.operation of electrical equipment and generators on board shipB.the earth's magnetic field affecting the ship's hard iron during constructionC.the horizontal component of the earth's magnetic field acting on the horizontal soft ironD.the vertical component of the earth's magnetic field acting on the vertical soft iron
Loran-C is which type of system ________．A.Reflected electronB.Electrical radiationC.Quarterpoint electrical navigationD.Hyperbolic radio navigation
Which statement concerning reserve sources of energy for GMDSS is FALSE ________．A.While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energyB.Both the VHF and MF/HF installations must be simultaneously suppliedC.A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in powerD.If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power
Deep-fat cooking equipment shall be fitted with the following:（）A、An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the OrganizationB、Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crewC、Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing systemD、an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed
What does most service requests coming to Cisco TAC concern？（）A、 equipment defectsB、 equipment failuresC、 complex network operation and management issuesD、 integrating mixed vendor equipment
下面哪一个打开备用电源的操作顺序是正确的？A、I 打开Standby electrical power。II 打开E-inverter。 III 打开TRU。B、I 打开Standby electrical power。II 打开TRU。 III 打开E-inverter。C、I 打开E-inverter。II 打开TRU。 III 打开Standby electrical power。D、I 打开TRU。II 打开E-inverter。 III 打开Standby electrical power。
单选题When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.Aaimed at the source of the flamesBfogged above the equipmentCshot off a flat surface onto the flamesDused to shield against electrical shock
单选题One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.Ait can break down under high heat and emit noxious fumesBit will decompose under prolonged storage and lose its effectivenessCfire has been known to flash back over the surface of an oil fireDit is ineffective in fighting fires in high-voltage electrical equipment
单选题When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.Aflush water over any burned area of the patientBapply ointment to the burned areas on the patientCget assistance to shut down electrical power in the areaDremove the patient from the vicinity of the live electrical equipment or wiring
单选题Which statement concerning reserve sources of energy for GMDSS is FALSE（）.AWhile the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energyBBoth the VHF and MF/HF installations must be simultaneously suppliedCA means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in powerDIf a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power
单选题Which of the following equipment is not pollution prevention equipment?（）Aoily water separatorBsewage treatment plantCfuel oil separatorDincinerator
单选题Which of the listed classes of fire is considered as one involving electrical equipment?（）AClass ABClass BCClass CDClass D
单选题Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out （）ADe-energize the applicable switchboard busBBypass the interlocksCSecure and tag the supply circuit breaker in the open positionDStation a man at the circuit supply switch
单选题With （）, the corrosion problems are much reduced in a central cooling system.Ano equipment in contact with sea waterBless equipment in contact with fresh waterCmore equipment in contact with sea waterDless equipment in contact with sea water
单选题Steering gears can be arranged with hydraulic control equipment known as a （）, or with electrical control equipment.AtelemeterBtelemanometerCtelemotorDtelemometer
单选题These include deck machinery such as mooring equipment, anchor handling equipment, cranes and （）.AboilersBbow thrustersCstabilizersDhatch covers
多选题Deep-fat cooking equipment shall be fitted with the following:（）AAn automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the OrganizationBControls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crewCArrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing systemDan alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed
单选题The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the（）.Aloss of residual magnetismBabsorption of moisture in the insulationCinsulation varnish flakingDdirt collecting on the windings
单选题Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）AThe agent is considered nontoxic at room temperature in low concentrationsBThe agent is less effective than carbon dioxideCHalon primarily extinguishes the fire by coolingDThe agent cannot be used on electrical fires because it leaves a residue
单选题What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）AEffective even if ventilation is not shut downBWill not deteriorate in storageCNon-corrosiveDEffective on electrical equipment
单选题A fire in electrical equipment should be extinguished by using（）.Asalt waterBfoamClow-velocity fogDCO2
单选题Permanent magnetism is caused by（）.Aoperation of electrical equipment and generators on board shipBthe earth's magnetic field affecting the ship's hard iron during constructionCthe horizontal component of the earth's magnetic field acting on the horizontal soft ironDthe vertical component of the earth's magnetic field acting on the vertical soft iron
单选题What does most service requests coming to Cisco TAC concern？（）A equipment defectsB equipment failuresC complex network operation and management issuesD integrating mixed vendor equipment
单选题A transformer in an electric circuit serves to （）Agenerate its own electrical powerBtransform electrical energy into mechanical energyCincrease or decrease circuit voltage as requiredDconvert AC current to DC current
单选题No outlet on a fire hydrant may point above the horizontal in order to（）.Aavoid kinking the hoseBavoid personal injury during connectionCmake connecting easierDprevent spray on electrical equipment