A.120°apart
B.160°apart
C.180°apart
D.360°apart
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A.number of turns of wire in the armature coil
B.number of magnetic poles
C.strength of the magnets used
D.output voltage
A.talk then released to listen
B.listen then released to talk
C.both talk and listen
D.ring the station being called
A.The total current flow equals the sum of the individual currents
B.The total current flow equals the reciprocal of the sum of the individual currents
C.The total resistance equals the sum of the individual resistance
D.The total voltage equals the sum of the individual voltages across each resistance
A.Low voltage protection circuit
B.Non-renewable link fuse
C.Renewable link fuse
D.Low voltage release circuit
A.The voltage drop across each resistor is the same
B.The total current flow equals the reciprocal of the sum of the individual currents
C.The total resistance equals the sum of the individual resistances
D.The total voltage equals the sum of the individual voltages across each resistance
最新試題
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
（） is not installed on the main switchboar.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The main purpose of port State control is not to（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To proceed to the assistance of a ship in distress is（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）