Solutions.
Electricity has done more to improve the __________ on earth than any other scientific
achievement. correct answers Quality of life (pg.6)
What was electricity first used for? correct answers Outdoor lighting and Industrial Work (pg.7)
What is arc lighting? correct answers A controlled short circuit created across two carbon
contacts (pg.7)
What has been called the largest machine in United States history? correct answers The US
Electrical Grid (pg.13)
What is the name of the grid that will be an enhancement to the current electrical grid? correct
answers Smart Grid (pg.13)
Explain the "Battle of the Grids". correct answers Tesla and Westinghouse team up to compete
with Edisons DC System. (pg.17)
List two of the first AC systems. correct answers 1. Gold King Mine
2. Willamette Falls
(pg. 19,20)
What was wrong with early construction practices? correct answers # of wires blocked out the
sunlight, workers were getting electrocuted trying to access overhead poles. (pg. 24)
What is the DELTA system? correct answers System that uses a generator with the ends of the
windings all connected to each other so that the three windings form a equilateral triangle.
(pg.26)
What is a WYE System? correct answers One end of each winding connected to form a star in
the shape of a wye. (pg.26)
What impact did Roosevelts New Deal of the 1930s have? correct answers Brought electricity to
farmers and rural areas. (pg.30)
List four types of power companies and describe their functions. correct answers Municipalities
Rural Electric Cooperatives
Investor Owned Utilities
Public Utility Districts, Public Power Districts
(Pg.34)
Anyone can buy stock in this type of company? correct answers Investor Owned Utility (Pg. 34)
What are city owned power companies called? correct answers Municipalities (Pg.37)
, A not-for-profit power company based in the rural areas called? correct answers Rural Electric
Cooperatives (Pg.38)
How many customers would an IOU typically have as stated by this section? correct answers
More than 500,000. (Pg.45)
How many customers would a small public utility have? correct answers Fewer than 100,000
(Pg.47)
A term widely used to designate departments that are involved with the transmission and
distribution line construction and the maintenance and operational activities of power delivery.
correct answers Operations (Pg.53)
Which positions are considered entry-level positions? correct answers Groundman, Equipment
Operator, Meter Reader
What is the name of the non-profit corporation formed in March 2006 as the successor to the
North American Electric Reliability Council? correct answers North American Electric
Reliability Corportation (Pg.65)
What commission was created by the Department of Energy Organization Act on October 1,
1977? correct answers Federal Energy Regulatory Commission (Pg.67)
When was the Occupational Safety Health Act passed? This act also created OSHA. correct
answers 1970 (Pg.68)
When should high visibility vests be worn? correct answers When working in proximity of
public traffic (Pg.20 Bk.2)
Explain what is meant by safety values. correct answers Safety values are rules and beliefs you
have set for yourself that will not be compromised. (Pg. 7 )
What type of rating should safety hats have if they are to be used in the electrical industry?
correct answers Dielectric (Pg. 15)
What is the major cause of most accidents? correct answers Unsafe Behavior (Pg. 9)
When is hearing protection required by OSHA? correct answers When exposed to noise levels of
85 decibels for an 8 hour time weighted average. (Pg. 18)
Explain what "root-cause" means with regards to an accident. correct answers The root cause is
what eventually led to the accident. (Pg.59)