Systems, Rigging, Transformers, and
Grounding) Questions from previous test.
With Complete Solutions
#2 Correct Answers The minimum size of grounds
for distribution is
#2 AWG copper Correct Answers PPG cables must
never be smaller than
1 amp Correct Answers common lightbulbs run on
about how many amps
1 Electron Correct Answers 1 Coulomb is
equivalant to?
1 Millions watts Correct Answers How many watts
are in a megawatt
1. A Magnetic field
2. A Conductor
3. Relative Motion Correct Answers What 3 things
are needed for the production of electricity?
1. ACSR (Aluminum Conductor Steel Reinforced)
2. AAC (All Aluminum Conductor)
3. AAAC (All Aluminum Alloy Conductor) Correct
Answers What are the 3 types of Aluminum
Conductor
,1. Fossil Generation
2. Hydro Generation
3. Nuclear Generation Correct Answers The 3
most common methods of electrical generation
are?
1. Generation
2. Transmission
3. Substation
4. Distribution Correct Answers What are the 4
basic Sub-Systems
1. Hard-Drawn
2. Medium-Drawn
3. Annealed (Soft-Drawn) Correct Answers What
are the 3 types of Copper Conductor?
1. Natural Fiber
2. Synthetic
3. Wire Correct Answers What are the 3 types of
Rope used in linework
1. Overhead lines
2. Underground cable Correct Answers What are
the 2 general types of power transmission
1. Poly-Plus
2. Composite Fiber
,3. Polypropylene Correct Answers What are the 3
most common types of Synthetic Fiber
1. Provide a path to ground for lightning
2. Provide a ground for substation equipment
3. Ensure the safety of the worker Correct Answers
What 3 things does the ground grid do?
1. Structure (wood, steel, concrete)
2. Insulators
3. Conductors
4. Static wire (shield wire) Correct Answers What
are the 4 basic components of an overhead
transmission line
1. Switching equipment and circuits
2. Stepping up or down voltage
3. Voltage Control Correct Answers What are the
3 basic purposes of Substation
1. The amount of insulation needed for a given
power line
2. The seperation required between line conductors
3. Safe working practices
4. The types of tools needed Correct Answers
What 4 things are affected by Voltage?
1. Voltage Source
2. Conductor
, 3. Load Correct Answers An Electrical Circuit is
made up of what 3 things?
1" inch Correct Answers For every 1/8" in
diameter of the rope, allow ____ of block shell.
1/3 of an amp Correct Answers It only takes how
many amps to kill you
10% Correct Answers Industry standard for every
sheave that a rope passes through is
13.8Kv - 24Kv (13,800 a 24,000) Correct Answers
Electricity is typically generated in the range of?
2 miles Correct Answers stringing block grounds
must never exceed
2 parts Correct Answers The greatest increase in
mechanical advantage occurs at?
2-6 Correct Answers Transmission may have
between ________ sub-conductors per phase
2/0 Correct Answers the minimum size of grounds
for transmission or substations is
20% Correct Answers How much of todays energy
is produced by Nuclear Generation?