CWEA Electrical and Instrument Grade 2 Study Guide
with Complete Solutions
What is PPE Category 1? - -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 -
-Possible answer:72,607 MGD
Absoulte Pressure Gauge? What is True? - -Possible answer: Read more accurate or
14.7 PSI higher
Flow meter that uses electrodes is? - -Magnetic Flow Meters
What is the resister color code : Orange, White,Silver,Gold Band - -.39 Ohms
Pitot tube measures? - -Measures Fluid or Gas Velocity
Chlorine Analyzer reads lower ever time but grab sample shows level are good. What do
troubleshoot first? - -Buffer
How to complete a work order when asked to maintain a pump? - -Notify Operation,
purchase parts, maintain, test, notify complete
What shunt resister rating to make 1-5V change on 4-20ma signal? - -250 ohms
HMI Screen down at the pump station, what to do? - -Ask operator to monitor while
you troubleshoot and try to fix
Where does the fluid enter in a Rotameter? - -Bottom
RPM on 4 pole 60 Hz motor - -1800 RPM
For every 10 Celsius change in operating temp. What happen to motor wire insulation? -
-Degrades 50%
What is it called when teaching someone Electrical Task Training? - -Safety Task
Training
, CWEA Electrical and Instrument Grade 2 Study Guide
with Complete Solutions
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
with Complete Solutions
What is PPE Category 1? - -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 -
-Possible answer:72,607 MGD
Absoulte Pressure Gauge? What is True? - -Possible answer: Read more accurate or
14.7 PSI higher
Flow meter that uses electrodes is? - -Magnetic Flow Meters
What is the resister color code : Orange, White,Silver,Gold Band - -.39 Ohms
Pitot tube measures? - -Measures Fluid or Gas Velocity
Chlorine Analyzer reads lower ever time but grab sample shows level are good. What do
troubleshoot first? - -Buffer
How to complete a work order when asked to maintain a pump? - -Notify Operation,
purchase parts, maintain, test, notify complete
What shunt resister rating to make 1-5V change on 4-20ma signal? - -250 ohms
HMI Screen down at the pump station, what to do? - -Ask operator to monitor while
you troubleshoot and try to fix
Where does the fluid enter in a Rotameter? - -Bottom
RPM on 4 pole 60 Hz motor - -1800 RPM
For every 10 Celsius change in operating temp. What happen to motor wire insulation? -
-Degrades 50%
What is it called when teaching someone Electrical Task Training? - -Safety Task
Training
, CWEA Electrical and Instrument Grade 2 Study Guide
with Complete Solutions
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
