A、A.shunt
B、B.high-resistance coil in the armature circuit
C、C.low-resistance coil in the armature circuit
D、D.shunt and a coil of high resistance
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A、both meters in series with the resistance B、both meters in parallel with the resistance C、the ammeter in series and the voltmeter in parallel with the resistance D、the ammeter in parallel and the voltmeter in series with the resistance
A、A.both meters in series with the resistance B、B.both meters in parallel with the resistance C、C.the ammeter in series and the voltmeter in parallel with the resistance D、D.the ammeter in parallel and the voltmeter in series with the resistance
A、reading the gage pressure B、weighing the extinguisher C、discharging a small amount of CO2 D、seeing if the seal has been broken
A、Check the tag to see when the extinguisher was last charged B、Release a small amount of CO2; if the CO2 discharges，the extinguisher is acceptable C、Weigh the extinguisher and compare the weight against that stamped on the valve D、Recharge the extinguisher at least once each year
A、A.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall B、B.In times of heavy weather, it is extremely dangerous if a crew is very short C、C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel D、D.In case of bad weather, it is particularly dangerous if there are enough personnel
A、that the fuel valve is open B、if the air supply system is open C、if the water sprinkler system is open D、if the limit switch is on
A、If line 10 is removed, the compilation succeeds. B、If line 11 is removed, the compilation succeeds. C、If line 12 is removed, the compilation succeeds. D、If line 13 is removed, the compilation succeeds. E、More than one line must be removed for compilation to succeed.
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