CWEA Electrical and Instrumentation
Grade 2 Study Guide – Complete Exam
Questions and Answers
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
Absolute 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
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
Grade 2 Study Guide – Complete Exam
Questions and Answers
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
Absolute 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
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
