CWEA E/I LEVEL 3 EXAM QUIZZES WITH ACCURATE ANSWERS | LATEST UPDATE .

CWEA E/I LEVEL 3 EXAM QUIZZES WITH
ACCURATE ANSWERS | LATEST UPDATE .



If the potential difference across the coil is low, the coil will:
A-draw too much current
B-become too hot
C-Produce too much magnetic force
D-not heat up - correct Answers -D-not heat up


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 - correct Answers -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 - correct Answers -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


1

, D-The operator must restart the meter manually - correct Answers -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 - correct Answers -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 - correct Answers -A-rarely needed


The advantage of LCDs over LEDs is:
A-accuracy
B-better visibility
C-lower power consumption
D-sensitivity - correct Answers -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. - correct Answers -d. stray magnetic fields.


An ammeter should be connected:
a. across the line.
2