CWEA E1 Study Set Exam||Verified Exam!!!|| Most
Recent Exam Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already
Graded A+ | Guaranteed Success | Newest Exam!!!
What happens when a motor loses one phase out of 3? -
Answer-Single phasing will cause the motor to trip the
overload heaters.
What does a Pitot tube do? - Answer-Measures velocity of
low to medium gas flow applications.
PH range? - Answer-0-14
7 is neutral.
Less than 7 is acidic.
More than 7 is base (alkaline)
How long is a confined space permit valid for according to
OSHA? - Answer-No longer than it takes to get the work
done.
Entry permits are valid for more than one shift if permit info
contains provisions covering shifts.
,2|Page
Signal range for pneumatics? - Answer-3-15psi. 3-6-9-12-
15
The voltage from phase to ground in a 480v transformer
is? - Answer-277 volts.
Intrinsic safety is? - Answer-Barrier preventing excess
voltage or current from reaching in hazardous area.
How do you add capacitors in series? - Answer-Same as
resistors.
How many paths in a parallel circuit? - Answer-More than
1.
Determined "Power Factor" formula. - Answer-PF=kw/kva
How long before digging do you notify "dig alert"? -
Answer-2 days.
Dig Alert number? - Answer-811
, 3|Page
What instrument do you use to measure 4-20 mA? -
Answer-DC clamp meter.
How do you connect an ammeter to check an electrical
circuit? - Answer-In series with the load.
An electronic tachometer works by? - Answer-Receiving
voltage pulses from and ignition signal.
What do you do when the synchronize light goes out on 2
generators running in parallel? - Answer-Close the
breaker.
What are direct current motors designed for? - Answer-
High torque and low inertia.
What should insulation resistance be? - Answer-One
megaohm for each 1,000 volts of operating voltage with a
minimum value of one megaohm.