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CETa Practice Test Questions And 100% Correct Answers
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CETa Practice Test Questions And 100% Correct Answers1.What does the abbreviation ESD stand for?
A.
Electrostatic Discharge
B.
Electrostatic Device
C.
Electromagnetic Sensitivity Diac
D.
Electrostatic Damage ANSWER A.
Electrostatic Discharge
Currents between ___and ___can be fatal.
A.
100mA, 200mA
B.
10mA, 33.3mA
C.
33.3, 75.6mA
D.
4mA, 10mA ANSWER A.
100mA, 200mA
What is the largest electrical concern?
A.
,Proper grounding
B.
ESD
C.
Shock
D.
Faulty equipment ANSWER C.
Shock
The Bohr's Atomic Model is comprised of what three elements?
A.
Neutrons, ion, neutrinos
B.
Protons, neutrons and cations
C.
Tachyons gravitons and electrons
D.
Protons, neutrons and electrons ANSWER D.
Protons, neutrons and electrons
Electrons are arranged in _____ around a nucleus.
A. orthogonal lattices
B. shells
C. loops
D. spheres - ANSWER 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 - ANSWER 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. - ANSWER 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 - ANSWER 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. - ANSWER A.
lines of flux.
An analog multimeter (AMM) checks for:
A.
voltage, resistance and inductance.
B.
voltage, resistance and capacitance.
C.
current, resistance and capacitance.
D.
voltage, current and resistance. - ANSWER D.
voltage, current and resistance.
An oscilloscope with two vertical inputs, is commonly referred to as a _______
oscilloscope.
A.
multi-trace
B.
dual-trace
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