CWEA Electrical and Instrumentation Grade 2 Exam Questions and Answers
2026/2027 A+ Grade Complete Certification
What is PPE Category 1? - (answer)long 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 -
(answer)Possible answer:72,607 MGD
In an absolute Pressure Gauge, What is True? - (answer)Possible answer: Read more accurate or 14.7 PSI
higher
Flow meter that uses electrodes is? - (answer)Magnetic Flow Meters also known as Mag meter
What is the resister color code : Orange, White,Silver,Gold Band - (answer).39 Ohms
Pitot tube measures? - (answer)Measures Fluid or Gas Velocity
Chlorine Analyzer reads lower ever time but grab sample shows level are good. What do troubleshoot
first? - (answer)Buffer
How to complete a work order when asked to maintain a pump? - (answer)Notify Operation, purchase
parts, maintain, test, notify complete
What shunt resister rating to make 1-5V change on 4-20ma signal? - (answer)250 ohms
HMI Screen down at the pump station, what to do? - (answer)Ask operator to monitor while you
troubleshoot and try to fix
Where does the fluid enter in a Rotameter? - (answer)Bottom
RPM on 4 pole 60 Hz motor - (answer)1800 RPM
For every 10 Celsius change in operating temp. What happen to motor wire insulation? -
(answer)Degrades 50%
What is it called when teaching someone Electrical Task Training? - (answer)Safety Task Training
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
, CWEA Electrical and Instrumentation Grade 2 Exam Questions and Answers
2026/2027 A+ Grade Complete Certification
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
If Level is 5.75 ft and wetwell is 20 feet what is the milliamp? - (answer)8.6 ma
What is Reluctance? - (answer)magnetic materials ability to oppose the magnetic flux
What is the property of a coil of wire that opposes any change in the current in the coil? -
(answer)Inductance
What is PPE Category 1? - (answer)single layer of arc-rated PPE, Long Sleeve Shirt (or Jacket) and Pants or
Coverall with minimum arc rating of 4 cal/cm.
Is the Oxygen Safe Zone at 22% Safe? - (answer)Yes, the safe zone is between 19.5% to 23.5%
L.O.T.O. - (answer)Lock out tag out
In a 480 transformer, the voltage from one phase to ground is? - (answer)277 volts.
2026/2027 A+ Grade Complete Certification
What is PPE Category 1? - (answer)long 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 -
(answer)Possible answer:72,607 MGD
In an absolute Pressure Gauge, What is True? - (answer)Possible answer: Read more accurate or 14.7 PSI
higher
Flow meter that uses electrodes is? - (answer)Magnetic Flow Meters also known as Mag meter
What is the resister color code : Orange, White,Silver,Gold Band - (answer).39 Ohms
Pitot tube measures? - (answer)Measures Fluid or Gas Velocity
Chlorine Analyzer reads lower ever time but grab sample shows level are good. What do troubleshoot
first? - (answer)Buffer
How to complete a work order when asked to maintain a pump? - (answer)Notify Operation, purchase
parts, maintain, test, notify complete
What shunt resister rating to make 1-5V change on 4-20ma signal? - (answer)250 ohms
HMI Screen down at the pump station, what to do? - (answer)Ask operator to monitor while you
troubleshoot and try to fix
Where does the fluid enter in a Rotameter? - (answer)Bottom
RPM on 4 pole 60 Hz motor - (answer)1800 RPM
For every 10 Celsius change in operating temp. What happen to motor wire insulation? -
(answer)Degrades 50%
What is it called when teaching someone Electrical Task Training? - (answer)Safety Task Training
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
, CWEA Electrical and Instrumentation Grade 2 Exam Questions and Answers
2026/2027 A+ Grade Complete Certification
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
If Level is 5.75 ft and wetwell is 20 feet what is the milliamp? - (answer)8.6 ma
What is Reluctance? - (answer)magnetic materials ability to oppose the magnetic flux
What is the property of a coil of wire that opposes any change in the current in the coil? -
(answer)Inductance
What is PPE Category 1? - (answer)single layer of arc-rated PPE, Long Sleeve Shirt (or Jacket) and Pants or
Coverall with minimum arc rating of 4 cal/cm.
Is the Oxygen Safe Zone at 22% Safe? - (answer)Yes, the safe zone is between 19.5% to 23.5%
L.O.T.O. - (answer)Lock out tag out
In a 480 transformer, the voltage from one phase to ground is? - (answer)277 volts.
