Kahoot Quiz Questions
When using the plane test, the gaff should dig into the wood within a distance of ____?
1 inch
Switchgears should be inspected ever ____?
1 year
Fossil-fired steam turbine generators can produce as much as ____ power.
1,200 MW
Regulators typically regulate in a range of +/-____%?
10
What is the most common size of porcelain disk used for suspension insulators?
10 inch
How long should newly treated poles resist decay?
10-20 years
Fiberglass sticks are tested at ____
100,000 volts/foot for 5 minutes
What is the voltage on a device that has 120 watts of power and 10 amps of current flow?
12 volts
Standard commercial and small industrial customer secondary voltage is typically ____.
120/208, 277/480
What is the capacity of combustion-turbine generating stations?
15-95 MW and provide peaking power or emergency power
A 2,000 volt transmission system was constructed in Italy in ____?
1886
The secondary winding of a single phase distribution transformer is nearly always made up of ____ coils.
2
Live line tools shall be removed from service every ____ for examination, cleaning, repair and testing?
2 years
Live line tools shall be tested every ____.
2 years
When clearing limbs from lines clearance should provide hazard free operation for ____?
2 years
Hydraulic OCR's must be tested every...
2 years or 50 operations
Electronically controlled reclosers must be tested how often?
2 years, 150 operations
Live line tools shall be tested every ____.
2 years, or as needed.
The prestressed 50 ft concrete pole can deflect ____ feet before cracking and ____ feet before breaking.
2, 6
Fuse links rated below ____ amps are spring type?
20
Fuse links rated above _____ amps are strain type.
25
Which is not a strand count on stranded conductors? A) 7 B) 19 C) 27 D) 61
27
What is the tensile strength of an aluminum conductor?
27,000 lb/in^2
On curves ____ poles on each side face the center of the curve?
3
Leather parts of climbing equipment should be cleaned approximately every ____ and dressed approximately every ____.
3 months, 6 months
If work is performed at elevation above ____ or _____ you must take altitude correction factor into MAD.
3,000ft, 900 meters
What is the standard time delay for regulators?
30 seconds
New hard hats are tested at what voltage?
30,000 volts
What is the dielectric strength of air?
31 KV/CM^3
What are the steps and percentage of a voltage regulator?
32 steps at 5/8%
How many operations does a recloser take to lockout if a fault is not cleared?
4
Wind propelled turbine generators have a capacity as large as?
4 MW
There should be a minimum of ____ clearance between D rings and tool pockets on climbing belts.
4 inches
Wood transmission poles that are properly treated and maintained have an average lifespan of?
45 years
Wooden transmission poles, if properly treated and maintained, have an average life of ____.
45 years
A sidewalk guy is used when the anchor must be set within ____ feet of the pole?
5
How often should switches be inspected?
5 years
The US and Canada have an operating frequency of 60hz. most other countries operate at what frequency?
50 hz
Diesel engine generating stations have a capacity of ____.
500-5,000 KW
Primary cable typically has ____ layers
6
Vacuum reclosers require testing on a ____ year schedule.
6
When digging a hole by hand the hole should be ____ greater than the diameter of the pole butt?
6 inches
How often should ropes be inspected?
6 months
Vacuum reclosers require testing every ____ year(s)?
6 years
A three phase 345 KV line can carry ____ times as much power as a 138 KV line?
6.25
What is the range of width for H-frame structures right of way?
60-250 ft
The fuses in padmounted switchgears can carry up to how many amps of load current?
600
Voltage of ____ to ____ are referred to as primaries?
600 - 34,500 volts
Broken skirts on an insulator can reduce capacity by as much as ____%?
70%
Enclosed cutouts are used for voltages ____ and below.
7200
Wood sticks are tested at ____.
75,000 volts/foot for 3 minutes
American Electric Power company energized a ____ volt transmission system in 1969?
765 kv
Two conductor transmission line with a ground return is called?
Bipolar system
A short splice is sometimes called a ___.
Butt splice
A transformer that has been removed from service as a result of protective equipment should only be re-energized through?
Current limiting fuse
The function of ____ is to reduce the voltage to voltage required by the customer.
Distribution transformer
EPR stands for?
Ethylene Propylene rubber
What is the first step in the pole top rescue process?
Evaluate the situation
What does EHV stand for?
Extra high voltage
What happened on April 22nd, 2008?
High temperature superconducting (HTS) cable was energized.
Edison designed a system using copper rods insulated with ____.
Jute
Circuit switches employ ____ puffer type interruptors?
SF6
The wires extending from the seondaries, feeding directly to customer homes is called?
Services
Which knot is used to join ropes of different size, stronger than a square knot
Single sheet bend
Which part is the long part of the rope when knot tying?
Standing end
This type of guy is used to obtain clearance for guy wires across roads?
Stub guy
On what operation of the recloser do sectionalizers operate?
Third
Overvoltages are referred to as surges or ___?
Transients
A long splice should be used when it is undesirable to increase the diameter of the rope?
True
A typical h-frame structure for a 161 KV line, with insulators and cross arms weigh approximately 5-6 tons.
True
All poles face uphill on steep grades?
True
Switch gears should be inspected annually.
True
Kilovolt-amperes and kilowatts can be calculated with which 3 things
Voltage, current and power factor
____ in transmission substations are used to switch circuits in and out of service?
circuit breaker
The face is the ____ side of the pole? *This question is not referring to face in the sense of face and gain sides of the poles, but instead the direction of curvature in the pole. It assumes all poles are bent and the face is the side of the pole that the pole is curving towards.
concave
What is the ionization of air around energized transmission called?
corona
Which of the following is NOT a test for gaff sharpness Plane test cutout test pole cutout test depth test
depth test
a(n) ____ is a single enclosed runway for conductors or cables?
duct
Electric field effects of transmission lines are hazardous to public.
false
Street lights should be tested every 8 years.
false "They should be tested every 10 years" -Nick morris
What is the number of cycles per second called?
frequency
Which is not a kind of vibration dampener?
helix
What is the property that causes current to lag voltage?
induction
What do protective grounds NOT protect against?
lightning
Which is not a kind of copper wire? Hard drawn Annealed (soft drawn) Medium-hard-drawn Medium-drawn
medium-drawn
Per OSHA, first aid kids shall be inspected at least ____.
once per year
Switched capacitor banks should be inspected how often?
once per year prior to the time they are switched on and off
Shield wire cable with fiber optics is called
optical ground wire
In switch gears, ____ are used to block closing of the bus tie switch in the event of a bus fault.
overcurrent relays
What type of circuit has the same voltage flow through all devices?
parallel
What is NOT a type of pole roof? Flat Point slant gable
point
What is the ratio of real power to reactive power?
power factor
The opposition to current flow is called?
resistance
Lags are ____ into place after being started with a hammer.
screwed
What type of circuit has the same current flow through all connections?
series
Typically, the only place voltage is stepped up on the electrical grid is where?
transmission substation
What opens an oil switch automatically because of overload or short-circuit?
trip coil
The limits for overloading and underloading transformers are 165% and 50%.
true
What is the electromotive force that moves current through a conductor?
voltage
Light rain, fog and ____ can cause tracking over insulators?
wet snow
