MECP BASIC STUDYGUIDE EXAM 2025
QUESTIONS AND ANSWERS
1000 Ohms is equivalent to how many k Ohms? - ANS 1.0k Ohms
Is a "bass blocker" low pass passive crossover an application where polarized capacitors are
used? - ANS False
What describes a "True Ignition" or "Ignition #1" function of a high current ignition switch? -
ANS The circuit is active while the key is in the RUN and START position, but not in the ACC
position
What electronic component does the schematic illustration represent? - ANS A
Potentiometer
Is the main purpose of the fuse at the battery for an amplifier's power wire to protect the
amplifier itself? - ANS False
What is MECP recommended practice for running high current wires through holes drilled in
metal parts of the vehicle (like the firewall)? - ANS Install a plastic or rubber grommet
Which automotive fuse is 29.2mm x 8.5mm x 34.3mm (L x W x H)? - ANS MAXI Automotive
Fuse
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, Which automotive fuse is 19.1mm x 5.1mm x 18.5mm (L x W x H)? - ANS Standard
Automotive Fuse
Which automotive fuse is 10.9mm x 3.6mm x 16.3mm (L x W x H)? - ANS Mini Automotive
Fuse
Amplifier with two 40A fuses on a 15 foot run from the battery should use what AWG? -
ANS 2 Gauge
Which two terminals on a SPDT automotive relay are the normally open and common
terminals? - ANS 85 & 86: Coil terminals, 30: common terminal, 87a: normally closed, 87:
normally open
If a system has three amplifiers installed fed by a single large gauge power wire with fuse
ratings of 25A, 25A and 50A what fuse size should go at the battery connection point? -
ANS 100A
Is an increase in current flow in a circuit a directly related increase in magnetism? - ANS True
In a combustion engine vehicle, while the engine is running what is the primary source of power
for the electrical system and any electrical accessories? - ANS The Alternator
V=IR - ANS V:Voltage, I:Current(A), R:Resistance(Ohms)
P=IV - ANS P:Power (W), I:Current(A), V:Voltage
How many millivolts is equal to .02 volts? - ANS 20 millivolts
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QUESTIONS AND ANSWERS
1000 Ohms is equivalent to how many k Ohms? - ANS 1.0k Ohms
Is a "bass blocker" low pass passive crossover an application where polarized capacitors are
used? - ANS False
What describes a "True Ignition" or "Ignition #1" function of a high current ignition switch? -
ANS The circuit is active while the key is in the RUN and START position, but not in the ACC
position
What electronic component does the schematic illustration represent? - ANS A
Potentiometer
Is the main purpose of the fuse at the battery for an amplifier's power wire to protect the
amplifier itself? - ANS False
What is MECP recommended practice for running high current wires through holes drilled in
metal parts of the vehicle (like the firewall)? - ANS Install a plastic or rubber grommet
Which automotive fuse is 29.2mm x 8.5mm x 34.3mm (L x W x H)? - ANS MAXI Automotive
Fuse
COPYRIGHT © 2025 THESTAR ALL RIGHTS RESERVED 1
, Which automotive fuse is 19.1mm x 5.1mm x 18.5mm (L x W x H)? - ANS Standard
Automotive Fuse
Which automotive fuse is 10.9mm x 3.6mm x 16.3mm (L x W x H)? - ANS Mini Automotive
Fuse
Amplifier with two 40A fuses on a 15 foot run from the battery should use what AWG? -
ANS 2 Gauge
Which two terminals on a SPDT automotive relay are the normally open and common
terminals? - ANS 85 & 86: Coil terminals, 30: common terminal, 87a: normally closed, 87:
normally open
If a system has three amplifiers installed fed by a single large gauge power wire with fuse
ratings of 25A, 25A and 50A what fuse size should go at the battery connection point? -
ANS 100A
Is an increase in current flow in a circuit a directly related increase in magnetism? - ANS True
In a combustion engine vehicle, while the engine is running what is the primary source of power
for the electrical system and any electrical accessories? - ANS The Alternator
V=IR - ANS V:Voltage, I:Current(A), R:Resistance(Ohms)
P=IV - ANS P:Power (W), I:Current(A), V:Voltage
How many millivolts is equal to .02 volts? - ANS 20 millivolts
COPYRIGHT © 2025 THESTAR ALL RIGHTS RESERVED 2
