Test Flashcards
The IBEW and NECA look for the NJATC to provide excellence in training for the electrical industry.How is this accomplished?
through the creation of National Standards and a National Curriculum
The IBEW constitution allows for ____ Vice-presidential districts.
11
What set of Parliamentary rules for conducting meetings has been adopted by the IBEW Constitution?
Roberts Rules of Order
According to the reference material in this lesson, there is a direct correlation between ____ and absenteeism.
Attitude
Accotding to Osha 1910.269, for an employee to work lines or equipment de-energized the lines or equipment shall be De-energixed and _____?
Properly grounded
According to OHM’s Law, voltage is equal to ______?
current times the resistance
The voltage produced by a three-phase generator are ____ degrees out of phase
120
AC generators operate on the principle of _____?
Electromagnetic induction
A test instrument that is used to test for insulation breakdown is the
Megohm-meter
A transformer is a electric device that uses _____ to change voltage from on level to another.
Electromagnetism
KVA bing drawn off a transformer can be found by multiplying secondary voltage times secondary amperage and the dividing by ____
1000
The amount of power (load) a transformer is capable of delivering is found in it’s ____ rating
KVA
A transformer equipped with taps changes the _____ adjustments of a distribution transformer
ratio
The initial CSP on a transformer means ____
completely self protected
The most common vlotage supplied by a single-phase transformer to a residential customer in the United States is a nominal ___ volts
120/240
If the secondary of a three-phase bank is connected 120 V Wye, the voltage from phase to phase is ___ volts (round up)
208
3,140 is equal to ___
3.14 x 10 cubed(3)
Convert the following temperature from Celsius to Fahrenheit 20 Celsius ___ Fahrenheit
12
A 40- foot class 2 pole has a minimum top circumference of 40 inches. It’s minimum diameter is ___ inches (round up)
13
You are going to order concrete for a transformer pad you have just formed. The size of the pad is 16 feet of concrete would be required for this pour (round up to higher whole number)
6
The sum of all three angles of a right-triangle always equals ___ degrees.
180
If a guy wire is staked 30 feet from a 60-foot pole, the guy wire would be ____ feet long.( measured from the top of the pole)(round to the nearest foot
67
The schematic symbol is used to indicate a ____
primary cutout
When marking for a transmission line, station stakes mark the center line every ____ feet
100
the number given on a benchmark indicates the____
elevation above sea level
The inductance of a coil can be increased by ___
increasing the number of wraps of wire
The voltage drop will ___ if the current to the load is increased
decreased
Power factor is the ratio between _____ and ____
?
The most commonly used FCI on overhead line must be ______
manually reset
The maximum conductor tension is in relation to the conductor’s _____
rated tensile strength
Dampers placed on a transmission line are there to counter _____
resonant vibration
Transformers are normally loaded to ________ percent of their nameplate rating
125
To reverse rotation of a three-phase motor you must ______
interchange andy two leads
The best way to protect yourself from back feed is to
treat all parts of any circuit or apparatus as if they were energized at full line voltage
The National Electrical Code’s definition of medium voltage ranges form 2,001volts to _____ volts
35,000
A typical manhole is considered a ______ space
enclosed
The minimum distance that the base of a 40 - foot extension ladder should be set from the wall it is learning against is _____ feet
10
Which item listed below is a common cause of cable failure due to poor workmanship
Non-removing of semi-conducting material
The layer of a medium or high voltage shielded power cable which must be grounded is the ____
metallic shield
A high potential (HI-Pot) test is also called a withstand or _____ test
Proof
The thumper method of cable testing is also called the____ method
AC conversion
when installing an underground system, ____ is a main cause of future cable failure
poor workmanship
