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Module 3106 Basic Electricity Test With Verified Answers
the voltage level received at a typical residence is -
-240V
Wrapping an energized conductor around an iron bar
creates an - -Electromagnet
in a typical power plant the turbines of power generators
are rotated by - -steam
the outcomes of an electric shock is based on - -the
amount of current that flows through the body
voltages of 600V or more - -almost ten times more
likely to kill than those under 600V
tag out requirement requirements are set forth by - -
OSHA
Air, steam, and water under pressure are all examples of -
-stored energy
the electromotive force that causes electrons to flow is
most commonly called - -voltage
if a 9V battery produces a current of a 3A through a load,
the resistance of the load is - -3 ohms
how much power is consumed by a circuit with a 120V
source that draws 18A through a resistive - -2, 160
W
at any point in a series circuit, the measured current will
always be - -the same
in which type of circuit will a voltmeter read the same
voltage drop when it is placed across each circuit load -
-Parallel circuit
which type of circuit is uncommon in HVACR work -
-series circuit
when using a voltmeter to measure a voltage and there is
no indication of how high it might be, always set the meter
too - -the highest range
Which of the following values can be measured by placing
a meter in series with an energized load - -Current
Which instrument is commonly used to simply if a circuit is
open or closed - -continuity tester
which of these values must measured with power off -
-resistance
Many handheld, battery- operated megohmeters can
develop a test voltage of up to - -1,000VDC
A megohmeter test of a compressor motor winding
produces a reading of 150Mohms this indicates - -
The winding insulation is in good condition
Expanding the electrical services to install a heat pump
can potentially be avoided by using - -a fossil-fuel
furnace for supplement for supplement heat
the symbol shown in the figure above represents a -
-Thermostatic switch
A short Circuit is what happens when - -the current
bypasses the load
What type of circuit breaker provides a time-delay feature,
much like a time-delay fuse - -HACR
A 24-volt, 40 VA transformer can sustain a current load of
- -1.7A
the colors of wires in an electrical circuit are often shown
on the - -Connection diagram
