CWEA ELECTRICAL AND INSTRUMENTATION GRADE 2 Questions
with Correct Solutions
Question:
1. What is PPE Category 1?
Answer:
long sleeve shirt or jacket and pants or coveralls Minimum 4 cal/cm2
Question:
2. Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point
Answer:
Possible answer:72,607 MGD
Question:
3. In an absolute Pressure Gauge, What is True?
Answer:
Possible answer: Read more accurate or
14.7 PSI higher
Question:
4. Flow meter that uses electrodes is?
Answer:
Magnetic Flow Meters also known as Mag meter
Question:
5. What is the resister color code : Orange, White,Silver,Gold Band
Answer:
.39 Ohms
Question:
6. Pitot tube measures?
Answer:
Measures Fluid or Gas Velocity
Question:
7. Chlorine Analyzer reads lower ever time but grab sample shows level are good. What do
troubleshoot first?
,Answer:
Buffer
Question:
8. How to complete a work order when asked to maintain a pump?
Answer:
Notify Operation, purchase parts, maintain, test, notify complete
Question:
9. What shunt resister rating to make 1-5V change on 4-20ma signal?
Answer:
250 ohms
Question:
10. HMI Screen down at the pump station, what to do?
Answer:
Ask operator to monitor while you troubleshoot and try to fix
Question:
11. Where does the fluid enter in a Rotameter?
Answer:
Bottom
Question:
12. RPM on 4 pole 60 Hz motor
Answer:
1800 RPM
Question:
13. For every 10 Celsius change in operating temp. What happen to motor wire insulation?
Answer:
Degrades 50%
Question:
14. What is it called when teaching someone Electrical Task Training?
Answer:
Safety Task Training
, Question:
15. Personnel injured when working around machines/equipment depending what they do.
Based on this: What two classification?
Answer:
Authorized-Affected
Question:
16. 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
Question:
17. Best way to test someone after training them?
Answer:
Have them teach others or have them perform the task under supervision
Question:
18. What is amperage 1000 Watts pulled through 12.5 ohms?
Answer:
8.9 amps
Question:
19. What is one way to prolong life of vertical shaft well motor?
Answer:
Properly lubricate and make sure fail seal is hooked up
Question:
20. 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
Question:
21. .15KvA transformer 480-120. How much amps can you pull on 120 side?
Answer:
1.25 amps 150/120=1.25 amp
with Correct Solutions
Question:
1. What is PPE Category 1?
Answer:
long sleeve shirt or jacket and pants or coveralls Minimum 4 cal/cm2
Question:
2. Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point
Answer:
Possible answer:72,607 MGD
Question:
3. In an absolute Pressure Gauge, What is True?
Answer:
Possible answer: Read more accurate or
14.7 PSI higher
Question:
4. Flow meter that uses electrodes is?
Answer:
Magnetic Flow Meters also known as Mag meter
Question:
5. What is the resister color code : Orange, White,Silver,Gold Band
Answer:
.39 Ohms
Question:
6. Pitot tube measures?
Answer:
Measures Fluid or Gas Velocity
Question:
7. Chlorine Analyzer reads lower ever time but grab sample shows level are good. What do
troubleshoot first?
,Answer:
Buffer
Question:
8. How to complete a work order when asked to maintain a pump?
Answer:
Notify Operation, purchase parts, maintain, test, notify complete
Question:
9. What shunt resister rating to make 1-5V change on 4-20ma signal?
Answer:
250 ohms
Question:
10. HMI Screen down at the pump station, what to do?
Answer:
Ask operator to monitor while you troubleshoot and try to fix
Question:
11. Where does the fluid enter in a Rotameter?
Answer:
Bottom
Question:
12. RPM on 4 pole 60 Hz motor
Answer:
1800 RPM
Question:
13. For every 10 Celsius change in operating temp. What happen to motor wire insulation?
Answer:
Degrades 50%
Question:
14. What is it called when teaching someone Electrical Task Training?
Answer:
Safety Task Training
, Question:
15. Personnel injured when working around machines/equipment depending what they do.
Based on this: What two classification?
Answer:
Authorized-Affected
Question:
16. 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
Question:
17. Best way to test someone after training them?
Answer:
Have them teach others or have them perform the task under supervision
Question:
18. What is amperage 1000 Watts pulled through 12.5 ohms?
Answer:
8.9 amps
Question:
19. What is one way to prolong life of vertical shaft well motor?
Answer:
Properly lubricate and make sure fail seal is hooked up
Question:
20. 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
Question:
21. .15KvA transformer 480-120. How much amps can you pull on 120 side?
Answer:
1.25 amps 150/120=1.25 amp
