CWEA Electrical and Instrumentation Grade 2 Exam Questions With Verified Answers.
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Course
CWEA
Institution
CWEA
CWEA Electrical and Instrumentation
Grade 2 Exam Questions With Verified
Answers.
What is PPE Category 1? - answerlong sleeve shirt or jacket and pants or coveralls
Minimum 4 cal/cm2
Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point -
answerPossible answer:72,6...
Personnel injured when working around machines/equipment depending what they do. Based on this:
What two classification? - answer✔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 ? - answer✔6.84 V
Best way to test someone after training them? - answer✔Have them teach others or have them perform
the task under supervision
What is amperage 1000 Watts pulled through 12.5 ohms? - answer✔8.9 amps
What is one way to prolong life of vertical shaft well motor? - answer✔Properly lubricate and make sure
fail seal is hooked up
Grounding analog signal both end of wire or one end only? - answer✔Ground only one end of wire. This
also how you avoid ground loop
.15KvA transformer 480-120. How much amps can you pull on 120 side? - answer✔1.25 amps
150/120=1.25 amp
What are transformer measured in? - answer✔KVA
What should flow meter read in this open-channel thing? 36" wide 30" water depth flow is 2 feet per
second - answer✔9.69 MGD
If equipment failure is the condition in which a piece of equipment does not operate as intended -
answer✔Failure Report
What is the highest Category? - answer✔Category 4
Molde Case Breakers are used for? - answer✔Short circuit or Overload
Nema Enclosure differences? - answer✔
How do you make a conveyor belt go faster and a VFD slower? - answer✔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 ? -
answer✔Parallel with coil
Commonly used instead of fuses in industrial
power distribution systems are: - answer✔Circuit Breakers
What is NEC Article for Solar Panel photovoltaic - answer✔ARTICLE 690
On 3 phase power what is the minimum numbers of wire you can use? - answer✔4 wires
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