Question 20 of 30
What is a Corona?
A
Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is capable of igniting a gas.
B
Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is incapable of igniting a gas.
C
Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is incapable of igniting a gas if it is a lean mixture
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Answer & Explanation
The correct answer is Option B: Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is incapable of igniting a gas..
Corona is a discharge caused by ionization of air near sharp conductors; however, in standard tanker operations, a corona discharge alone does not possess sufficient energy to ignite a hydrocarbon gas-air mixture.