CWEA E1 CERTIFICATION EVALUATION
ACCURATE QUESTIONS GRADED A PLUS
●● The NEC identifies environments that contain flammable vapors and
gases as which class of hazardous location?
A-Class I
B-Class II
C-Class III
D-Class IV
Answer: A-Class I
●● Which of the following reduces high voltages and currents to save
values for measurements?
A-auto transformer
B-megohmmeter
C-instrument transformer
D-variable transformer
Answer: C-instrument transformer
●● In a three wire control circuit, when a power failure occurs:
A-The interlock contact will close the circuit
B-The operator can restart the meter automatically
,C-The motor can restart unexpectedly
D-The operator must restart the meter manually
Answer: D-The operator must restart the meter manually
●● Push buttons are classified as standard duty or heavy duty according
to the:
A-Kind of enclosure
B-Service conditions
C-frequency operation
D-Current carrying ability
Answer: D-Current carrying ability
●● He push to test pilot light is used in applications where the pilot light
is:
A-rarely needed
B-A neon bulb
C-used in DC applications
D-in constant use
Answer: A-rarely needed
●● The advantage of LCDs over LEDs is:
A-accuracy
B-better visibility
, C-lower power consumption
D-sensitivity
Answer: C-lower power consumption
●● Shielding protects an analog meter from:
a. damage due to careless handling.
b. harmful UV rays.
c. over-current and surges.
d. stray magnetic fields.
Answer: d. stray magnetic fields.
●● An ammeter should be connected:
a. across the line.
b. around an inductor.
c. in parallel with the load.
d. in series with the load.
Answer: d. in series with the load.
●● Bar graphs and wave forms can be displayed on a LCD screen when
the multimeter has:
a. analog/digital circuits.
b. microprocessor circuitry.
ACCURATE QUESTIONS GRADED A PLUS
●● The NEC identifies environments that contain flammable vapors and
gases as which class of hazardous location?
A-Class I
B-Class II
C-Class III
D-Class IV
Answer: A-Class I
●● Which of the following reduces high voltages and currents to save
values for measurements?
A-auto transformer
B-megohmmeter
C-instrument transformer
D-variable transformer
Answer: C-instrument transformer
●● In a three wire control circuit, when a power failure occurs:
A-The interlock contact will close the circuit
B-The operator can restart the meter automatically
,C-The motor can restart unexpectedly
D-The operator must restart the meter manually
Answer: D-The operator must restart the meter manually
●● Push buttons are classified as standard duty or heavy duty according
to the:
A-Kind of enclosure
B-Service conditions
C-frequency operation
D-Current carrying ability
Answer: D-Current carrying ability
●● He push to test pilot light is used in applications where the pilot light
is:
A-rarely needed
B-A neon bulb
C-used in DC applications
D-in constant use
Answer: A-rarely needed
●● The advantage of LCDs over LEDs is:
A-accuracy
B-better visibility
, C-lower power consumption
D-sensitivity
Answer: C-lower power consumption
●● Shielding protects an analog meter from:
a. damage due to careless handling.
b. harmful UV rays.
c. over-current and surges.
d. stray magnetic fields.
Answer: d. stray magnetic fields.
●● An ammeter should be connected:
a. across the line.
b. around an inductor.
c. in parallel with the load.
d. in series with the load.
Answer: d. in series with the load.
●● Bar graphs and wave forms can be displayed on a LCD screen when
the multimeter has:
a. analog/digital circuits.
b. microprocessor circuitry.
