CWEA ELECTRICAL GRADE 2 CORRECT
COMPREHENSIVE QUESTIONS AND ANSWERS
RATED A+
✔✔What is it called when teaching someone Electrical Task Training? - ✔✔Safety Task
Training
✔✔Personnel injured when working around machines/equipment depending what they
do. Based on this: What two classification? - ✔✔Authorized-Affected
✔✔Resistors wired in parallel on battery 5 ohms, 10 ohms, and 20 ohms.
what must be the voltage to force 2.4 amp ? - ✔✔6.84 V
✔✔Best way to test someone after training them? - ✔✔Have them teach others or have
them perform the task under supervision
✔✔What is amperage 1000 Watts pulled through 12.5 ohms? - ✔✔8.9 amps
✔✔What is one way to prolong life of vertical shaft well motor? - ✔✔make sure plenty of
grease, lube bearings, make sure fail seal hooked up
✔✔Grounding analog signal both end of wire or one end only? - ✔✔Ground only one
end analog of wire
✔✔.15KvA transformer 480-120. How much amps can you pull on 120 side? - ✔✔1.25
amps 150/120=1.25 amp
✔✔What are transformer measured in? - ✔✔KVA
✔✔What should flow meter read in this open-channel thing? 36" wide 30" water depth
flow is 2 feet per second - ✔✔9.69 MGD
, ✔✔If equipment failure is the condition in which a piece of equipment does not operate
as intended - ✔✔Failure Report
✔✔What is the highest Category? - ✔✔Category 4
✔✔Molder Case Breaker? - ✔✔Short circuit or Overload
✔✔Nema Enclosure differences? - ✔✔Weather proof
✔✔How do you make a conveyor belt go faster and a VFD slower? - ✔✔Increase pulley
on the conveyor side and decrease pulley on VFD side
✔✔On a a circuit motor starter there are two start switches. Where does the second
starter switch wired ? - ✔✔Parallel with coil
✔✔Commonly used instead of fuses in industrial
power distribution systems are: - ✔✔Circuit Breakers
✔✔What is NEC Article for Solar Panel photovoltaic - ✔✔ARTICLE 690 SOLAR
PHOTOVOLTAIC (PV) SYSTEMS
✔✔On 3 phase power what is the minimum numbers of wire you can use? - ✔✔3 wires
✔✔If Level is 5.75 ft and wetwell is 20 feet what is the milliamp? - ✔✔5.75/20 X 16 +4
=== 8.71 ma
✔✔What is Reluctance? - ✔✔magnetic material Its the ability to oppose the flow of
magnetic flow flux created by the field window
✔✔What is the property of a coil of wire that opposes any change in the current in the
coil? - ✔✔Inductance
✔✔What is PPE Category 1? - ✔✔Requiring a single layer of arc-rated PPE, workers
need the following clothing: Required Clothing: Long Sleeve Shirt (or Jacket) and Pants
or AR Coverall with minimum arc rating of 4 cal/cm.
✔✔Is the Oxygen Safe Zone at 22% Safe? - ✔✔Yes, between 19.5% to 23.5%
✔✔L.O.T.O. - ✔✔Lock out tag out is an osha regulation.
✔✔The voltage from phase to ground in a 480v transformer is? - ✔✔277 volts.
COMPREHENSIVE QUESTIONS AND ANSWERS
RATED A+
✔✔What is it called when teaching someone Electrical Task Training? - ✔✔Safety Task
Training
✔✔Personnel injured when working around machines/equipment depending what they
do. Based on this: What two classification? - ✔✔Authorized-Affected
✔✔Resistors wired in parallel on battery 5 ohms, 10 ohms, and 20 ohms.
what must be the voltage to force 2.4 amp ? - ✔✔6.84 V
✔✔Best way to test someone after training them? - ✔✔Have them teach others or have
them perform the task under supervision
✔✔What is amperage 1000 Watts pulled through 12.5 ohms? - ✔✔8.9 amps
✔✔What is one way to prolong life of vertical shaft well motor? - ✔✔make sure plenty of
grease, lube bearings, make sure fail seal hooked up
✔✔Grounding analog signal both end of wire or one end only? - ✔✔Ground only one
end analog of wire
✔✔.15KvA transformer 480-120. How much amps can you pull on 120 side? - ✔✔1.25
amps 150/120=1.25 amp
✔✔What are transformer measured in? - ✔✔KVA
✔✔What should flow meter read in this open-channel thing? 36" wide 30" water depth
flow is 2 feet per second - ✔✔9.69 MGD
, ✔✔If equipment failure is the condition in which a piece of equipment does not operate
as intended - ✔✔Failure Report
✔✔What is the highest Category? - ✔✔Category 4
✔✔Molder Case Breaker? - ✔✔Short circuit or Overload
✔✔Nema Enclosure differences? - ✔✔Weather proof
✔✔How do you make a conveyor belt go faster and a VFD slower? - ✔✔Increase pulley
on the conveyor side and decrease pulley on VFD side
✔✔On a a circuit motor starter there are two start switches. Where does the second
starter switch wired ? - ✔✔Parallel with coil
✔✔Commonly used instead of fuses in industrial
power distribution systems are: - ✔✔Circuit Breakers
✔✔What is NEC Article for Solar Panel photovoltaic - ✔✔ARTICLE 690 SOLAR
PHOTOVOLTAIC (PV) SYSTEMS
✔✔On 3 phase power what is the minimum numbers of wire you can use? - ✔✔3 wires
✔✔If Level is 5.75 ft and wetwell is 20 feet what is the milliamp? - ✔✔5.75/20 X 16 +4
=== 8.71 ma
✔✔What is Reluctance? - ✔✔magnetic material Its the ability to oppose the flow of
magnetic flow flux created by the field window
✔✔What is the property of a coil of wire that opposes any change in the current in the
coil? - ✔✔Inductance
✔✔What is PPE Category 1? - ✔✔Requiring a single layer of arc-rated PPE, workers
need the following clothing: Required Clothing: Long Sleeve Shirt (or Jacket) and Pants
or AR Coverall with minimum arc rating of 4 cal/cm.
✔✔Is the Oxygen Safe Zone at 22% Safe? - ✔✔Yes, between 19.5% to 23.5%
✔✔L.O.T.O. - ✔✔Lock out tag out is an osha regulation.
✔✔The voltage from phase to ground in a 480v transformer is? - ✔✔277 volts.
