CWEA ELECTRICAL AND INSTRUMENTATION
GRADE 2 (CWEA ELECTRICAL AND
INSTRUMENT GRADE 2 EXAM) GRADED A+
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long sleeve shirt or jacket and pants or coveralls
What is PPE Category 1?
Minimum 4 cal/cm2
Parshall Flume Measurement Possible answer:72,607 MGD
point? 1.2 FT Water Height
20.8xH at measurement point
In an absolute Pressure Gauge, Possible answer: Read more accurate or 14.7 PSI higher
What is True?
Flow meter that uses electrodes Magnetic Flow Meters also known as Mag meter
is?
What is the resister color code : .39 Ohms
Orange, White,Silver,Gold Band
Pitot tube measures? Measures Fluid or Gas Velocity
Chlorine Analyzer reads lower Buffer
ever time but grab sample
shows level are good. What do
troubleshoot first?
How to complete a work order Notify Operation, purchase parts, maintain, test, notify complete
when asked to maintain a pump?
What shunt resister rating to 250 ohms
make 1-5V change on 4-20ma
signal?
HMI Screen down at the pump Ask operator to monitor while you troubleshoot and try to fix
station, what to do?
Where does the fluid enter in a Bottom
Rotameter?
RPM on 4 pole 60 Hz motor 1800 RPM
, For every 10 Celsius change in Degrades 50%
operating temp. What happen to
motor wire insulation?
What is it called when teaching Safety Task Training
someone Electrical Task
Training?
Personnel injured when working Authorized-Affected
around machines/equipment
depending what they do. Based
on this: What two classification?
Resistors wired in parallel on 6.84 V
battery 5 ohms, 10 ohms, and 20
ohms.
what must be the voltage to
force 2.4 amp ?
Best way to test someone after Have them teach others or have them perform the task under
training them? supervision
What is amperage 1000 Watts 8.9 amps
pulled through 12.5 ohms?
What is one way to prolong life Properly lubricate and make sure fail seal is hooked up
of vertical shaft well motor?
Grounding analog signal both Ground only one end of wire. This also how you avoid ground
end of wire or one end only? loop
.15KvA transformer 480-120. How 1.25 amps 150/120=1.25 amp
much amps can you pull on 120
side?
What are transformer measured KVA
in?
What should flow meter read in 9.69 MGD
this open-channel thing? 36"
wide 30" water depth flow is 2
feet per second
If equipment failure is the Failure Report
condition in which a piece of
equipment does not operate as
intended
What is the highest Category? Category 4
Molde Case Breakers are used Short circuit or Overload
for?
Nema Enclosure differences?
How do you make a conveyor Increase pulley on the conveyor side and decrease pulley on
belt go faster and a VFD slower? VFD side
On a a circuit motor starter there Parallel with coil
are two start switches. Where
does the second starter switch
wired ?