CETa Practice Test with correct answers
1. |
What |does |the |acronym |ESD |stand |for?
A.
Electrostatic |Discharge
B.
Electrostatic |Device
C.
Electromagnetic |Sensitivity |Diac
D.
Electrostatic |Damage |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |A.
100mA, |200mA
,What |is |the |number |one |concern |in |regards |to |electrical |safety?
A.
Proper |grounding
B.
ESD
C.
Shock
D.
Faulty |equipment |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |D.
Protons, |neutrons |and |electrons
Electrons |are |arranged |in |_____ |around |a |nucleus.
A.
orthogonal |lattices
B.
shells
C.
,loops
D.
spheres |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |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. |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |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. |- |ANSWERS✔✔ |A.
lines |of |flux.
An |analog |multimeter |(AMM) |checks |for:
A.
voltage, |resistance |and |inductance.
B.
1. |
What |does |the |acronym |ESD |stand |for?
A.
Electrostatic |Discharge
B.
Electrostatic |Device
C.
Electromagnetic |Sensitivity |Diac
D.
Electrostatic |Damage |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |A.
100mA, |200mA
,What |is |the |number |one |concern |in |regards |to |electrical |safety?
A.
Proper |grounding
B.
ESD
C.
Shock
D.
Faulty |equipment |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |D.
Protons, |neutrons |and |electrons
Electrons |are |arranged |in |_____ |around |a |nucleus.
A.
orthogonal |lattices
B.
shells
C.
,loops
D.
spheres |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |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. |- |ANSWERS✔✔ |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 |- |ANSWERS✔✔ |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. |- |ANSWERS✔✔ |A.
lines |of |flux.
An |analog |multimeter |(AMM) |checks |for:
A.
voltage, |resistance |and |inductance.
B.
