I LEVEL 3 Certification Exam Questions
and Answers Verified Solutions Latest
Update
Question:
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
Question:
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
Question:
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
Question:
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
, Question:
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
Question:
The advantage of LCDs over LEDs is: A-accuracy B-better visibility C-lower power
consumption D-sensitivity.
Answer:
C-lower power consumption
Question:
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.
Question:
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.
Question:
Bar graphs and wave forms can be displayed on a LCD screen when the multimeter
has: a. analog/digital circuits. b. microprocessor circuitry. c. opposing coils and a
commutator. d. parallel ports..
Answer:
b. microprocessor circuitry.
and Answers Verified Solutions Latest
Update
Question:
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
Question:
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
Question:
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
Question:
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
, Question:
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
Question:
The advantage of LCDs over LEDs is: A-accuracy B-better visibility C-lower power
consumption D-sensitivity.
Answer:
C-lower power consumption
Question:
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.
Question:
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.
Question:
Bar graphs and wave forms can be displayed on a LCD screen when the multimeter
has: a. analog/digital circuits. b. microprocessor circuitry. c. opposing coils and a
commutator. d. parallel ports..
Answer:
b. microprocessor circuitry.