‣ $144,246 -✓✓On a line construction job, an electrical contractor spent $85.242
on materials. $53,616 on labor and S5.388 on overhead. What was the total cost of
this job?
‣ 16 3/4 -✓✓Rewrite the following fraction as a mixed number in its lowest term.
67/4
‣ $765 -✓✓Copper wire costs $1,020 per ton. How much would 3/4 of a ton of
wire cost?
‣ 34 -✓✓Multiply 7 1/4 X 4 3/5 (Round to nearest whole
number.
‣ 3 1/4 -✓✓Convert the following decimal number to a fraction. 3.250
‣ decimal point -✓✓When adding. subtracting, multiplying, or dividing decimals,
the most important thing to keep track of is the ________.
‣ 8.70kV -✓✓A fault on a 12.8-kilovolt line caused the voltage to dip 0.68 of its
original value. What was the voltage at the time of the fault. expressed in kilovolts
and rounded to the nearest hundredth?
‣ 100 -✓✓A percent is a special ratio that compares a number to _______ using the
symbol %.
‣ 34% -✓✓An Electrical Worker's wages increases from $18.48 to $24.78 per
hour. What is the percentage of the increase?
‣ 21 -✓✓4.20 is 20% of _______
‣ electron -✓✓The part of an atom that has a negative charge is called the
___________
‣ magnetism -✓✓What is the PRIMARY source of electrical power?
, ‣ protons -✓✓The atomic number of an element is the same as the number of
_______ in the nucleus.
‣ conductor -✓✓Resistance increases when a(n) ______ is heated.
‣ a pole of an energy source with an excess of electrons to a pole with a deficiency
of electrons -✓✓The flow of electrons in a circuit is always from ______
‣ outer shell -✓✓Electrical current is produced when electrons in the ________
knock electrons from another atom out of orbit.
‣ E -✓✓Voltage is represented by the letter ______ when using Ohm's Law
calculations.
‣ wattage -✓✓power is measured in ________
‣ voltage -✓✓The force that pushes the electrons through a conductor and is often
referred to as electrical pressure is called __________.
‣ 5,280' -✓✓One mile equals ________
‣ 1,000 -✓✓When the prefix kilo is used, the number is multiplied by
___________
‣ SI metric -✓✓The system of measurement that has been declared by the U.S.
Congress as the preferred method is the _______ system.
‣ thermocouple -✓✓What type of device uses the heating of two dissimilar metals
to produce an electrical potential?
‣ neon -✓✓What type of gas will give off light when current passes through it?
‣ joining two dissimilar metals together at a junction and applying heat -✓✓The
process of __________, is known as the thermoelectricity process.
‣ 45-55% -✓✓A rope's strength is reduced by approximately _______ when knots
are tied in fiber rope.