MECP BASIC EXAM 2025
QUESTIONS AND ANSWERS
which two terminals of a relay are considered the coil terminals? - ANSWER✔✔-85 & 86
what is the correct terminology for the banded side of a diode? - ANSWER✔✔-cathode
how much electrical power consumption results for a measured values of 10 volts into
amps? - ANSWER✔✔-20 watts
a measurement of 4 volts is equal to how many millivolts? - ANSWER✔✔-40 millivolts
to use Ohm's law for finding voltage what is the correct formula? - ANSWER✔✔-i x r (
current X resistance)
true or false, when two 4 ohm loads are connected in parallel the total resistance will be
less than 4 Ohms. - ANSWER✔✔-true
inductors such as passive crossovers place near High current vehicle wiring can exhibit
what condition? - ANSWER✔✔-unwanted audio system noise
, which to switching terminals of a relay or electric connected when it is at rest? -
ANSWER✔✔-87a and 30
while the engine is running what is the primary source of power for the electrical
system? - ANSWER✔✔-the alternator
what is the conversion of alternating current from AC to DC? - ANSWER✔✔-
rectification
what is the device called that converts ac voltage into DC voltage? - ANSWER✔✔-a
rectifier
what is mecp recommended practice for running High current cables through holes
drilled into the firewall of a vehicle? - ANSWER✔✔-using a plastic or rubber grommet
when measuring standby current drain with a digital multimeter which measurement
scale is used? - ANSWER✔✔-DC milliamps
when measuring low current MUX ignition circuit what setting should a digital
multimeter be set at? - ANSWER✔✔-ohms
true or false, foreign vehicle measurements it is mecp recommended practice to use test
lights. - ANSWER✔✔-false
QUESTIONS AND ANSWERS
which two terminals of a relay are considered the coil terminals? - ANSWER✔✔-85 & 86
what is the correct terminology for the banded side of a diode? - ANSWER✔✔-cathode
how much electrical power consumption results for a measured values of 10 volts into
amps? - ANSWER✔✔-20 watts
a measurement of 4 volts is equal to how many millivolts? - ANSWER✔✔-40 millivolts
to use Ohm's law for finding voltage what is the correct formula? - ANSWER✔✔-i x r (
current X resistance)
true or false, when two 4 ohm loads are connected in parallel the total resistance will be
less than 4 Ohms. - ANSWER✔✔-true
inductors such as passive crossovers place near High current vehicle wiring can exhibit
what condition? - ANSWER✔✔-unwanted audio system noise
, which to switching terminals of a relay or electric connected when it is at rest? -
ANSWER✔✔-87a and 30
while the engine is running what is the primary source of power for the electrical
system? - ANSWER✔✔-the alternator
what is the conversion of alternating current from AC to DC? - ANSWER✔✔-
rectification
what is the device called that converts ac voltage into DC voltage? - ANSWER✔✔-a
rectifier
what is mecp recommended practice for running High current cables through holes
drilled into the firewall of a vehicle? - ANSWER✔✔-using a plastic or rubber grommet
when measuring standby current drain with a digital multimeter which measurement
scale is used? - ANSWER✔✔-DC milliamps
when measuring low current MUX ignition circuit what setting should a digital
multimeter be set at? - ANSWER✔✔-ohms
true or false, foreign vehicle measurements it is mecp recommended practice to use test
lights. - ANSWER✔✔-false
