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名词解释题
电气设备（electrical equipment）
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更多 “名词解释题电气设备（electrical equipment）” 相关考题
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
考题
Loran-C is which type of system ________．A.Reflected electronB.Electrical radiationC.Quarterpoint electrical navigationD.Hyperbolic radio navigation
考题
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
考题
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
考题
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
考题
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。
考题
单选题When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.A
aimed at the source of the flamesB
fogged above the equipmentC
shot off a flat surface onto the flamesD
used to shield against electrical shock
考题
单选题One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.A
it can break down under high heat and emit noxious fumesB
it will decompose under prolonged storage and lose its effectivenessC
fire has been known to flash back over the surface of an oil fireD
it is ineffective in fighting fires in high-voltage electrical equipment
考题
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（）.A
flush water over any burned area of the patientB
apply ointment to the burned areas on the patientC
get assistance to shut down electrical power in the areaD
remove the patient from the vicinity of the live electrical equipment or wiring
考题
单选题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
考题
单选题Which of the following equipment is not pollution prevention equipment?（）A
oily water separatorB
sewage treatment plantC
fuel oil separatorD
incinerator
考题
单选题Which of the listed classes of fire is considered as one involving electrical equipment?（）A
Class AB
Class BC
Class CD
Class D
考题
单选题Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out （）A
De-energize the applicable switchboard busB
Bypass the interlocksC
Secure and tag the supply circuit breaker in the open positionD
Station a man at the circuit supply switch
考题
单选题With （）, the corrosion problems are much reduced in a central cooling system.A
no equipment in contact with sea waterB
less equipment in contact with fresh waterC
more equipment in contact with sea waterD
less equipment in contact with sea water
考题
单选题Steering gears can be arranged with hydraulic control equipment known as a （）, or with electrical control equipment.A
telemeterB
telemanometerC
telemotorD
telemometer
考题
单选题These include deck machinery such as mooring equipment, anchor handling equipment, cranes and （）.A
boilersB
bow thrustersC
stabilizersD
hatch covers
考题
单选题The fire of electrical equipment is classified as（）fire.A
class AB
Class BC
Class CD
Class D
考题
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
考题
单选题The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the（）.A
loss of residual magnetismB
absorption of moisture in the insulationC
insulation varnish flakingD
dirt collecting on the windings
考题
单选题Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）A
The agent is considered nontoxic at room temperature in low concentrationsB
The agent is less effective than carbon dioxideC
Halon primarily extinguishes the fire by coolingD
The agent cannot be used on electrical fires because it leaves a residue
考题
单选题What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）A
Effective even if ventilation is not shut downB
Will not deteriorate in storageC
Non-corrosiveD
Effective on electrical equipment
考题
单选题A fire in electrical equipment should be extinguished by using（）.A
salt waterB
foamC
low-velocity fogD
CO2
考题
单选题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
考题
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
考题
单选题A transformer in an electric circuit serves to （）A
generate its own electrical powerB
transform electrical energy into mechanical energyC
increase or decrease circuit voltage as requiredD
convert AC current to DC current
考题
单选题No outlet on a fire hydrant may point above the horizontal in order to（）.A
avoid kinking the hoseB
avoid personal injury during connectionC
make connecting easierD
prevent spray on electrical equipment
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