MTA HELPER EXAM 4612 LATEST
2026/2027 WITH 285 QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
MTA HELPER FINAL EXAM
The instrument that should be used to accurately measure the resistance of 4700
ohm resistor is?
ohmmeter
To measure the current in an electric circuit, the instrument that should be used is?
Ammeter
To measure the insulation resistance of a rubber covered electrical cable the
instrument that should be used is?
Megger
,An AC motor is hooked up to a power distribution box.In order to check the
voltage at the motor terminals the instrument that should be used is?
Voltmeter
To measure the shaft diameter of a motor accurately to one thousandth of an inch
the instrument that should be used is?
Micrometer
The instrument that should be used to determine whether 25 Hz or 60 Hz is
present.An electrical circuit is?
Frequency meter
The proper instrument to use to determine the diameter of the conductor of a piece
of electric hook up wire is?
Wire gage
The amount of electrical power being used in a balanced three phase circuit should
be measured with?
Wattmeter
,The electrical way form at a given point in an electrical circuit can be observed
with?
Oscilloscope
The proper instrument to use for measuring the width of a door is?
6 foot folding ruler
A one inch hole with the tolerance of plus or minus 3000ths is reamed in a steel
block.The proper instrument to use to accurately check the diameter of the hole is?
Vernier Caliper
The number of conductors required to connect to a three phase delta connected
heater bank to an electric power panel board is?
3
The Wire size that is most commonly used for branch.Lighting circuits and homes
is?
#12 A.W.G.
When installing electrical circuits the tool that should be used to pull wire through
a conduit is a?
Snake
, The lowest voltage that a neon teslant can detect is?
80 Volts
The best procedure to use when storing tools that are subject to rusting is to?
apply a light coating of oil to the tools
To light the 300 W lamp. The following switches must be closed?
X and Z
If all of a sudden switches WXY and Z are closed, the following will happen?
The lamp will light and the motor will rotate
With one hundred twenty volts applied across the ten ome resistor the current
drawn by the resistor is how many amps?
12
The current drawn by the 300 W lamp When lighted should be approximately how
many amps?
2026/2027 WITH 285 QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
MTA HELPER FINAL EXAM
The instrument that should be used to accurately measure the resistance of 4700
ohm resistor is?
ohmmeter
To measure the current in an electric circuit, the instrument that should be used is?
Ammeter
To measure the insulation resistance of a rubber covered electrical cable the
instrument that should be used is?
Megger
,An AC motor is hooked up to a power distribution box.In order to check the
voltage at the motor terminals the instrument that should be used is?
Voltmeter
To measure the shaft diameter of a motor accurately to one thousandth of an inch
the instrument that should be used is?
Micrometer
The instrument that should be used to determine whether 25 Hz or 60 Hz is
present.An electrical circuit is?
Frequency meter
The proper instrument to use to determine the diameter of the conductor of a piece
of electric hook up wire is?
Wire gage
The amount of electrical power being used in a balanced three phase circuit should
be measured with?
Wattmeter
,The electrical way form at a given point in an electrical circuit can be observed
with?
Oscilloscope
The proper instrument to use for measuring the width of a door is?
6 foot folding ruler
A one inch hole with the tolerance of plus or minus 3000ths is reamed in a steel
block.The proper instrument to use to accurately check the diameter of the hole is?
Vernier Caliper
The number of conductors required to connect to a three phase delta connected
heater bank to an electric power panel board is?
3
The Wire size that is most commonly used for branch.Lighting circuits and homes
is?
#12 A.W.G.
When installing electrical circuits the tool that should be used to pull wire through
a conduit is a?
Snake
, The lowest voltage that a neon teslant can detect is?
80 Volts
The best procedure to use when storing tools that are subject to rusting is to?
apply a light coating of oil to the tools
To light the 300 W lamp. The following switches must be closed?
X and Z
If all of a sudden switches WXY and Z are closed, the following will happen?
The lamp will light and the motor will rotate
With one hundred twenty volts applied across the ten ome resistor the current
drawn by the resistor is how many amps?
12
The current drawn by the 300 W lamp When lighted should be approximately how
many amps?
