Non Destructive Testing and Evaluation MCQ: Mercury vapour black lights may be extinguished if the supply voltage drops below about:

← All Non Destructive Testing and Evaluation questions

Mercury vapour black lights may be extinguished if the supply voltage drops below about:

Correct Answer: 200 volts

Make the most of this question

This page focuses on one Non Destructive Testing and Evaluation question from Engineering. After checking the answer, return to the topic list to practice more or run a timed set.

← More Non Destructive Testing and Evaluation MCQs All Engineering topics Mock test hub