CWEA Electrical and Instrument Grade 2 Study Guide Question with correct answers
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Course
Cwea
Institution
Cwea
What is PPE Category 1? Correct Answer - Arc-Rated clothing, Minimum Arc Rating of Arc 4 cal/cm2
arc-rated long sleeve shirt and pants or overall
Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point Correct Answer - Possible answer:72,607 MGD
Absoulte Pressure G...
CWEA Electrical and Instrument Grade 2 Study Guide
Question with correct answers
What is PPE Category 1? Correct Answer - Arc-Rated clothing, Minimum Arc
Rating of Arc 4 cal/cm2
arc-rated long sleeve shirt and pants or overall
Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement
point Correct Answer - Possible answer:72,607 MGD
Absoulte Pressure Gauge? What is True? Correct Answer - Possible answer: Read
more accurate or 14.7 PSI higher
Flow meter that uses electrodes is? Correct Answer - Magnetic Flow Meters
What is the resister color code : Orange, White,Silver,Gold Band Correct Answer -
.39 Ohms
Pitot tube measures? Correct Answer - Measures Fluid or Gas Velocity
Chlorine Analyzer reads lower ever time but grab sample shows level are good.
What do troubleshoot first? Correct Answer - Buffer
How to complete a work order when asked to maintain a pump? Correct Answer -
Notify Operation, purchase parts, maintain, test, notify complete
What shunt resister rating to make 1-5V change on 4-20ma signal? Correct Answer
- 250 ohms
,HMI Screen down at the pump station, what to do? Correct Answer - Ask operator
to monitor while you troubleshoot and try to fix
Where does the fluid enter in a Rotameter? Correct Answer - Bottom
RPM on 4 pole 60 Hz motor Correct Answer - 1800 RPM
For every 10 Celsius change in operating temp. What happen to motor wire
insulation? Correct Answer - Degrades 50%
What is it called when teaching someone Electrical Task Training? Correct Answer
- Safety Task Training
Personnel injured when working around machines/equipment depending what they
do. Based on this: What two classification? Correct 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 ? Correct Answer - 6.84 V
Best way to test someone after training them? Correct Answer - Have them teach
others or have them perform the task under supervision
What is amperage 1000 Watts pulled through 12.5 ohms? Correct Answer - 8.9
amps
What is one way to prolong life of vertical shaft well motor? Correct Answer -
make sure plenty of grease, lube bearings, make sure fail seal hooked up
, Grounding analog signal both end of wire or one end only? Correct Answer -
Ground only one end analog of wire
.15KvA transformer 480-120. How much amps can you pull on 120 side? Correct
Answer - 1.25 amps 150/120=1.25 amp
What are transformer measured in? Correct Answer - KVA
What should flow meter read in this open-channel thing? 36" wide 30" water depth
flow is 2 feet per second Correct Answer - 9.69 MGD
If equipment failure is the condition in which a piece of equipment does not
operate as intended Correct Answer - Failure Report
What is the highest Category? Correct Answer - Category 4
Molder Case Breaker? Correct Answer - Short circuit or Overload
Nema Enclosure differences? Correct Answer - Weather proof
How do you make a conveyor belt go faster and a VFD slower? Correct 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 ? Correct Answer - Parallel with coil
Commonly used instead of fuses in industrial
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