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CETa Practice Test Questions
And Answers All Verified By An
Expert A+ Graded
,1.
What does the acronym ESD stand for?
A.
Electrostatic Discharge
B.
Electrostatic Device
C.
K
Electromagnetic Sensitivity Diac
D.
Electrostatic Damage - ANS A.
C
Electrostatic Discharge
Current amounts between ______ and _____ can be lethal.
LO
A.
100mA, 200mA
B.
10mA, 33.3mA
C.
YC
33.3, 75.6mA
D.
4mA, 10mA - ANS A.
100mA, 200mA
What is the number one concern in regards to electrical safety?
D
A.
Proper grounding
B.
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ESD
C.
Shock
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D.
Faulty equipment - ANS C.
Shock
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 - ANS D.
Protons, neutrons and electrons
Electrons are arranged in _____ around a nucleus.
A.
orthogonal lattices
B.
shells
C.
K
loops
D.
spheres - ANS B.
C
shells
What are three types of materials used in electronics?
LO
A.
Conductors, semi-conductors and insulators
B.
Semi-conductors, insulators and semi-insulators
C.
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Insulators, conductors and interions
D.
Conductors, insulators and regulators - ANS A.
Conductors, semi-conductors and insulators
In the United States there are five common classifications of fires, which are:
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A.
A, C, D, K, M.
B.
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A, B ,C, D, E.
C.
A, B, C, E, M.
ST
D.
A, B, C, D, K. - ANS D.
A, B, C, D, K.
Coulomb's Law describes the forces of attraction or repulsion between electrical charges, which
are ______________ to the product of the charges ______________ to the distance between
them.
A.
directly proportional, inversely proportional
B.
inversely proportional, directly proportional