CWEA ELECTRICAL AND INSTRUMENT GRADE 2 STUDY GUIDE EXAM
QUESTIONS AND 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
,CWEA
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
, CWEA
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