CWEA ELECTRICAL AND INSTRUMENT GRADE
2 EXAM REVIEW QUESTIONS AND VERIFIED
SOLUTIONS
◉ 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
2 EXAM REVIEW QUESTIONS AND VERIFIED
SOLUTIONS
◉ 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
