网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?()
A
The generator and bus transfer section
B
The 450 volt, 60 cycle, 3 phase bus
C
The 120 volt, 3 phase, 60 cycle bus
D
The 24 volt DC bus
参考答案
参考解析
解析:
暂无解析
更多 “单选题Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?()A The generator and bus transfer sectionB The 450 volt, 60 cycle, 3 phase busC The 120 volt, 3 phase, 60 cycle busD The 24 volt DC bus” 相关考题
考题
Which of the units listed is used to combust waste in the engine room?A.BoilerB.IncineratorC.Generator
考题
Where could you monitor the correct instant for synchronizing without aid of synchroscope or synchronizing lamp?
A.Distribution boardB.Section boardC.Emergency switchboardD.Main switchboard
考题
A switchboard for an AC electrical system requires the use of which of the following devices?A.Frequency meter.B.Ohmmeter.C.Induction voltage regulator.D.Current transformer governor.
考题
It is the responsibility of the Master or person in charge of a ship to ensure that ______.A.the station bill is posted in each compartmentB.temporary personnel and visitors are advised of emergency stationsC.names of crew members are listed on the station billD.no changes are made to the station bill
考题
______ is not contained in the muster list.A.the details of how the order to abandon ship is givenB.the details of the general emergency alarm signal,the fire alarm signal and the public address systemC.the substitutes for key persons who may become disabledD.the various fire sections enclosed by“A”class divisions
考题
In which of the following sections of an MFP would a technician find a Xenon Lamp?()A、The paper feed sectionB、The fuser sectionC、The scanner sectionD、The transfer section
考题
Which statement is correct regarding IPv6 addresses?()A、An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B、An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C、An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D、An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
考题
Which of the following is not the emergency equipment?()A、Emergency power supply.B、Quick-close device.C、Emergency squad.D、derricks.
考题
In the Java API documentation which sections are included in a class document?() A、 The description of the class and its purposeB、 A list of methods in its super classC、 A list of member variableD、 The class hierarchy
考题
单选题()is not installed on the emergency switchboard.A
Ammeter and changeover switchB
Speed governor deviceC
SynchroscopeD
Wattmeter
考题
单选题()is not installed on the emergency switchboard.A
AmmeterB
VoltmeterC
WattmeterD
Synchroscope
考题
单选题An indicator on the main switchboard should show () the emergency battery is in service or not.A
thatB
whenC
ifD
whether
考题
单选题Which of the listed pumps is NOT a positive displacement pump?()A
CentrifugalB
ReciprocatingC
GearD
Rotary
考题
单选题If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?()A
Dry chemicalB
HalonC
Low velocity fogD
Steam
考题
单选题A switchboard, for a AC electrical distribution system, will be provided with which of the following components ().A
Frequency meterB
AmmeterC
VoltmeterD
All of the above
考题
单选题() is a machine by which electrical energy is transformed into mechanical energy.A
An alternatorB
An electric motorC
A diesel engineD
A main switchboard
考题
单选题If ignited, which of the listed materials would be a class "B" fire?()A
MagnesiumB
PaperC
WoodD
Diesel Oil
考题
单选题Emergency generator is installed on board mainly to ()A
connect to the busbar when the load increasingB
supply power specially to charging panelC
be put into operation during the ship arriving at or leaving portD
ensure the power supply to critical equipment after the main switchboard out of power
考题
单选题An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus ()A
The breaker should be closed when one synchronizing lamp is dark and the other is brightB
The breaker should be closed when both synchronizing lamps are brightC
The frequency meter should be used to determine that the incoming alternator frequency is slightly higher than the busD
A portable phase sequence indicator must be used to verify the information from the lamps
考题
单选题Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?()A
The generator and bus transfer sectionB
The 450 volt, 60 cycle, 3 phase busC
The 120 volt, 3 phase, 60 cycle busD
The 24 volt DC bus
考题
单选题()is not installed on the emergency switchboard.A
Control panelB
Paralleling panelC
Load panelD
Busbar
考题
单选题Which of the electrical properties listed will always be the same for each component in a parallel circuit?()A
ImpedanceB
CurrentC
ResistanceD
Voltage
考题
单选题Which list is NOT required to be provided as part of the appendices of the Shipboard Oil Pollution Emergency Plan?()A
A list of agencies or officials of Coastal State Administrators responsible for receiving and processing incident reportsB
A list of agencies or officials in regularly visited portsC
A list specifying who will be responsible for informing the parties listed and the priority in which they must be notifiedD
A list of personnel duty assignments
考题
单选题Which statement is correct regarding IPv6 addresses?()A
An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B
An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C
An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D
An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
考题
单选题Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?()A
CO2B
ABC dry chemicalC
CO2 propelled foamD
All of the above
考题
单选题A switchboard for an AC electrical system requires the use of which of the following devices().A
Frequency meterB
OhmmeterC
Induction voltage regulatorD
Current transformer governor
考题
单选题It is the responsibility of the Master or person in charge of a ship to ensure that().A
the Muster List (Station Bill) is posted in each compartmentB
temporary personnel and visitors are advised of emergency stationsC
names of crew members are listed on the Muster List (Station Bill)D
no changes are made to the Muster List (Station Bill)
考题
单选题It is the responsibility of the Master or person in charge of a ship to ensure that().A
the station bill is posted in each compartmentB
temporary personnel and visitors are advised of emergency stationsC
names of crew members are listed on the station billD
no changes are made to the station bill
热门标签
最新试卷