ELECTRICAL THEORY EXAM QUESTIONS AND ANSWERS .

ELECTRICAL THEORY EXAM QUESTIONS AND ANSWERS .
1. Providing a path to the earth often helps
reduce electrostatic charge.
(a) True
(b) False
2. Lightning frequently terminates to a point of
elevation and it strikes nonmetallic as well
as metallic objects with the same frequency.
(a) True
(b) False
3. The termination of the lightning strike is
unlikely to ignite combustible materials.
(a) True
(b) False
4. Lightning protection is intended to protect
the building structure itself, as well as the
electrical equipment on or inside the building structure.
(a) True
(b) False
5. Nonmagnetic metals are ferrous, meaning
they do not contain any iron, and cannot be
magnetized.
(a) True
(b) False
6. Magnetic lines of force can cross each other
and they are called flux lines.
(a) True
(b) False
(a) True
(a) True
(b) False
(b) False
(b) False
(b) False