ECC TEST 2 QUESTIONS AND ANSWERS
In a graphical analysis of Ohms Law the X-axis is considered to be the? - Answer -
Independent Variable
In a graphical analysis of Ohms Law the quantity that varies as a result of changes in
the first quantity is called the ___ and is plotted on the Y-axis? - Answer -Dependent
Variable
What is ohms used to measure - Answer -resistance
What of the following types if items use series circuits? - Answer -string lights with
simple dividers and flashlights
Total circuit resistance in a series circuit is equal to ___? - Answer -sum of all
resistances
Total voltage across a series circuit is equal to the sum of the individual? - Answer -
voltage drops
How would i calculate power in a series circuit? Power total? - Answer -voltage x
current/Vt x It = Pt
When troubleshooting you complete the 4th step of the process and eliminate working
functions by? - Answer -localizing the faulty functiona
Which test would help you identify intermittent or loose connections - Answer -wiggle or
tug test
Which of the following is a mechanical part that us subject to wear - Answer -Relay
Six step troubleshooting procedure one core principle is that faults need to be isolated
and be ___? - Answer -reproducible
During system elaboration what should be obtained of the trouble in a system during
this step? - Answer -detailed description of the fault
What is a malfunction of a device or a system that occurs at intervals that are usually
irregular? - Answer -intermediate faukt
An open means the flow current is? - Answer -interrupted
What are the purposes of Kirchhoffs law current entering a junction is comsidered to be
positive, negative, 1 or 0? - Answer -positive
, Kirchoffs law for voltage states that the sum of voltage drops in a series circuit is equal
to the circuits ___? - Answer -source voltage
What is defined as having more than one current path next to a common voltage source
- Answer -parallel circuit
When utilizing variation analysis to troubleshoot a malfunctioning circuit if the resistance
decreases what should the current do - Answer -Increase
Wire and schematics are rarely laid out in what kind of form - Answer -linear
Simple parallel branches where current divides are also called? - Answer -Junctions
In general what circuit malfunction type will cause an increase in current regardless of
circuit involved - Answer -short circuit
Which of the following is nay a common cause fault in a component or circuit? - Answer
-lack of current
What is a circuit with a break that prevents current flow? - Answer -open circuit
What testing equipment is most commonly used in circuit malfunctions - Answer -
multimeter
In which step of the six step electronic troubleshooting method is used to determine
what circuit or circuits was at fault - Answer -localizing faulty functions of a circuit
What is considered to be high voltage equipment - Answer -above 30v
Symptom recognition is the act of doing what to a problem when it appears? - Answer -
identifying it
Why are intermittent faults difficult to diagnose - Answer -can only be identified when
it's occurring
What is accomplished by systematically checking each probable faulty unit until the
actual fault is found? - Answer -localizing the fault
Which troubleshooting step uses the information obtained in two of the other steps to
make an educated estimate of where trouble might be located - Answer -fault
estimation
If the first check does not isolate the fault what should the information gained from the
test be used for? - Answer -which possible faulty unit to check next
In a graphical analysis of Ohms Law the X-axis is considered to be the? - Answer -
Independent Variable
In a graphical analysis of Ohms Law the quantity that varies as a result of changes in
the first quantity is called the ___ and is plotted on the Y-axis? - Answer -Dependent
Variable
What is ohms used to measure - Answer -resistance
What of the following types if items use series circuits? - Answer -string lights with
simple dividers and flashlights
Total circuit resistance in a series circuit is equal to ___? - Answer -sum of all
resistances
Total voltage across a series circuit is equal to the sum of the individual? - Answer -
voltage drops
How would i calculate power in a series circuit? Power total? - Answer -voltage x
current/Vt x It = Pt
When troubleshooting you complete the 4th step of the process and eliminate working
functions by? - Answer -localizing the faulty functiona
Which test would help you identify intermittent or loose connections - Answer -wiggle or
tug test
Which of the following is a mechanical part that us subject to wear - Answer -Relay
Six step troubleshooting procedure one core principle is that faults need to be isolated
and be ___? - Answer -reproducible
During system elaboration what should be obtained of the trouble in a system during
this step? - Answer -detailed description of the fault
What is a malfunction of a device or a system that occurs at intervals that are usually
irregular? - Answer -intermediate faukt
An open means the flow current is? - Answer -interrupted
What are the purposes of Kirchhoffs law current entering a junction is comsidered to be
positive, negative, 1 or 0? - Answer -positive
, Kirchoffs law for voltage states that the sum of voltage drops in a series circuit is equal
to the circuits ___? - Answer -source voltage
What is defined as having more than one current path next to a common voltage source
- Answer -parallel circuit
When utilizing variation analysis to troubleshoot a malfunctioning circuit if the resistance
decreases what should the current do - Answer -Increase
Wire and schematics are rarely laid out in what kind of form - Answer -linear
Simple parallel branches where current divides are also called? - Answer -Junctions
In general what circuit malfunction type will cause an increase in current regardless of
circuit involved - Answer -short circuit
Which of the following is nay a common cause fault in a component or circuit? - Answer
-lack of current
What is a circuit with a break that prevents current flow? - Answer -open circuit
What testing equipment is most commonly used in circuit malfunctions - Answer -
multimeter
In which step of the six step electronic troubleshooting method is used to determine
what circuit or circuits was at fault - Answer -localizing faulty functions of a circuit
What is considered to be high voltage equipment - Answer -above 30v
Symptom recognition is the act of doing what to a problem when it appears? - Answer -
identifying it
Why are intermittent faults difficult to diagnose - Answer -can only be identified when
it's occurring
What is accomplished by systematically checking each probable faulty unit until the
actual fault is found? - Answer -localizing the fault
Which troubleshooting step uses the information obtained in two of the other steps to
make an educated estimate of where trouble might be located - Answer -fault
estimation
If the first check does not isolate the fault what should the information gained from the
test be used for? - Answer -which possible faulty unit to check next
