CETa Practice Test – Study Guide and Practice Questions for Certification Exam
Preparation
1.
What does the acronym ESD stand for?
A.
Electrostatic Discharge
B.
Electrostatic Device
C.
Electromagnetic Sensitivity Diac
D.
Electrostatic Damage - ANS ✔✔A.
Electrostatic Discharge
Current amounts between ______ and _____ can be lethal.
A.
100mA, 200mA
B.
10mA, 33.3mA
C.
33.3, 75.6mA
D.
4mA, 10mA - ANS ✔✔A.
100mA, 200mA
,What is the number one concern in regards to electrical safety?
A.
Proper grounding
B.
ESD
C.
Shock
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.
loops
D.
spheres - ANS ✔✔B.
shells
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 - ANS ✔✔A.
Conductors, semi-conductors and insulators
In the United States there are five common classifications of fires, which are:
A.
A, C, D, K, M.
B.
A, B ,C, D, E.
C.
A, B, C, E, M.
, 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
C.
indirectly proportional, directly proportional
D.
inversely proportional, indirectly proportional - ANS ✔✔A.
directly proportional, inversely proportional
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. - ANS ✔✔A.
Preparation
1.
What does the acronym ESD stand for?
A.
Electrostatic Discharge
B.
Electrostatic Device
C.
Electromagnetic Sensitivity Diac
D.
Electrostatic Damage - ANS ✔✔A.
Electrostatic Discharge
Current amounts between ______ and _____ can be lethal.
A.
100mA, 200mA
B.
10mA, 33.3mA
C.
33.3, 75.6mA
D.
4mA, 10mA - ANS ✔✔A.
100mA, 200mA
,What is the number one concern in regards to electrical safety?
A.
Proper grounding
B.
ESD
C.
Shock
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.
loops
D.
spheres - ANS ✔✔B.
shells
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 - ANS ✔✔A.
Conductors, semi-conductors and insulators
In the United States there are five common classifications of fires, which are:
A.
A, C, D, K, M.
B.
A, B ,C, D, E.
C.
A, B, C, E, M.
, 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
C.
indirectly proportional, directly proportional
D.
inversely proportional, indirectly proportional - ANS ✔✔A.
directly proportional, inversely proportional
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. - ANS ✔✔A.
