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二回路 secondary coolant circuit
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更多 “二回路 secondary coolant circuit” 相关考题
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_____ is used as coolant in light－water reactors.
A、GasB、Organic compoundC、Molten saltD、Water
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Electrical circuits are protected against overheating by means of a/an _______.A.circuit breakerB.amplifierC.diode （二极管）D.capacitor
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On an ONS 15454 node you can tunnel a（n） （）.A、 SDH circuit over a SONET network delivering it as an SDH signalB、 SDH circuit over a SONET network delivering it as a SONET signalC、 SONET circuit over an SDH network delivering it as an SDH signalD、 SONET circuit over an SDH network delivering it as a SONET signal
考题
On an ONS 15454 node you can tunnel an （）.A、SDH circuit over a SONET network delivering it as an SDH signalB、SDH circuit over a SONET network delivering it as a SONET signalC、SONET circuit over an SDH network delivering it as an SDH signalD、SONET circuit over an SDH network delivering it as a SONET signal
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SSR是（）的缩写。A、secondary surface radarB、secondary surveillance radioC、secondary surveillance radarD、surveillance secondary radar
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单选题In a series circuit, which value will remain unchanged at all places in the circuit?（）A
VoltageB
CurrentC
ResistanceD
Inductance
考题
单选题On an ONS 15454 node you can tunnel a（n） （）.A
SDH circuit over a SONET network delivering it as an SDH signalB
SDH circuit over a SONET network delivering it as a SONET signalC
SONET circuit over an SDH network delivering it as an SDH signalD
SONET circuit over an SDH network delivering it as a SONET signal
考题
单选题Capacitance is the property of an electric circuit opposing a change in the （）A
current in the circuitB
voltage in the circuitC
inductance in the circuitD
resistance in the circuit
考题
单选题A circuit that has one wire in contact with the hull of the ship is a（）A
series circuitB
grounded circuitC
short circuitD
closed circuit
考题
单选题The purpose of a main switchboard circuit breakers reverse-power trip is to （）.A
prevent main circuit overloadB
protect the circuit breaker blowout coilC
prevent alternator motorizationD
prevent low voltage tripout
考题
单选题Engine coolant accumulating in the diesel engine lubricating oil can result from a （）A
low oil pressureB
high coolant pressureC
leaking fuel injectorD
cracked cylinder head or liner
考题
单选题A circuit breaker differs from a fuse in that a circuit breaker （）.A
melts and must be replacedB
is enclosed in a tube of insulating material with metal ferrules at each endC
gives no visual indication of having opened the circuitD
trips to break the circuit and may be reset
考题
名词解释题第二性征(secondary characteristics)
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