USCG USCG Electrical
Set 1 • Question #10 of 142
Launch Interactive Practice Room The method used to produce electron emission in most vacuum tubes is known as __________.
A
photoelectric emission
B
secondary electric emission
C
cold cathodic electric emission
D
thermionic emission
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'The method used to produce electron emission in most vacuum tubes is known as', the compliant technical standard is: 'thermionic emission'.
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