CETa EXAM AND PRACTICE EXAM ACTUAL EXAM , QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) ....QUIZ......What does the acronym ESD stand for ? A. Electrostatic Discharge B. Electrostatic Device C. Electromagnetic Sensitivity Diac

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1. 1.

What does the acronym ESD stand for?
A.
Electrostatic Discharge
B.
Electrostatic Device
C.
Electromagnetic Sensitivity Diac
D.
Electrostatic Damage: A.
Electrostatic Discharge
2. Current amounts between ______ and _____ can be lethal.
A.
100mA, 200mA
B.
10mA, 33.3mA
C.
33.3, 75.6mA
D.
4mA, 10mA: A.
100mA, 200mA
3. What is the number one concern in regards to electrical safety?
A.
Proper grounding
B.
ESD
C.
Shock
D.
Faulty equipment: C.
Shock


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4. Bohr's Atomic Model consists of what three components?
A.
Neutrons, ion, neutrinos
B.
Protons, neutrons and cations
C.
Tachyons gravitons and electrons
D.
Protons, neutrons and electrons: D.
Protons, neutrons and electrons
5. Electrons are arranged in _____ around a nucleus.
A.
orthogonal lattices
B.
shells
C.
loops
D.
spheres: B.
shells
6. What are three types of materials used in electronics?
A.
Conductors, semi-conductors and insulators
B.
Semi-conductors, insulators and semi-insulators
C.
Insulators, conductors and interions
D.
Conductors, insulators and regulators: A.
Conductors, semi-conductors and insulators
7. In the United States there are five common classifications of fires, which are:
A.


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A, C, D, K, M.
B.
A, B ,C, D, E.
C.
A, B, C, E, M.
D.
A, B, C, D, K.: D.
A, B, C, D, K.
8. Coulomb's Law describes the forces of attraction or repulsion between electri-
cal charges, which are ______________ to the product of the charges ______________
to the distance between them.
A.
directly proportional, inversely proportional
B.
inversely proportional, directly proportional
C.
indirectly proportional, directly proportional
D.
inversely proportional, indirectly proportional: A.
directly proportional, inversely proportional
9. The magnetic field that surrounds a magnet can best be described as invisible
lines of force, and are commonly referred to as:
A.
lines of flux.
B.
lines of density.
C.
lines of attraction.
D.
lines of flux proportionality.: A.
lines of flux.