USCG USCG Electrical
Set 2 • Question #34 of 142
Launch Interactive Practice Room On some diesel-electric ships, the DC propulsion motor will only attain half speed when the generator fields are fully excited. Speeds above this are obtained by __________.
A
rotating brush alignment
B
raising the generator engine speed
✓ Correct Answer
C
lowering the generator engine speed
D
decreasing excitation
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'On some diesel-electric ships, the DC propulsion motor will only attain half speed when the generator fields are fully excited. Speeds above this are obtained by', the compliant technical standard is: 'raising the generator engine speed'.
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