Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Reciprocating diesel engine Steam turbine Steam engine Francis turbine Reciprocating diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be Larger in size More costly Operating at high rpm More efficient Larger in size More costly Operating at high rpm More efficient ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. Larger in size than None of the listed here Smaller in size than Of the same size as Larger in size than None of the listed here Smaller in size than Of the same size as ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 1000 rpm 1500 rpm 500 rpm None of the listed here 1000 rpm 1500 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 12 50 2 4 12 50 2 4 ANSWER DOWNLOAD EXAMIANS APP
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