NEC License Questions
Prepare for electrical licensing and technical interviews with short electrical MCQs and answer explanations.
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What is gear backlash?
What is gear backlash?
Open 2Why is it sometimes necessary to preheat the base material before welding?
Why is it sometimes necessary to preheat the base material before welding?
Open 3In order to calculate heat input, it is necessary to know
In order to calculate heat input, it is necessary to know
Open 4In mechanical testing, the term necking is used when
In mechanical testing, the term necking is used when
Open 5Who or what determines the necessity of a post weld heat treatment?
Who or what determines the necessity of a post weld heat treatment?
Open 6What is a duty cycle?
What is a duty cycle?
Open 7Which process uses a constant current electrical characteristic?
Which process uses a constant current electrical characteristic?
Open 8Is it always necessary to preheat the base material before welding?
Is it always necessary to preheat the base material before welding?
Open 9Who is responsible for site safety?
Who is responsible for site safety?
Open 10Why is it sometimes necessary to preheat the base material before welding?
Why is it sometimes necessary to preheat the base material before welding?
Open 11Who is responsible for site safety?
Who is responsible for site safety?
Open 12When measuring arc voltage where should the measuring instrument be connected?
When measuring arc voltage where should the measuring instrument be connected?
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