NCCER Test questions & answers 2023 verified
A UL listed rod type ground electrode must have minimum length of - correct answer 8''
in a circuit of pure capacitance, the current leads the voltage by - correct answer 90 degrees
The standard unit for measuring the cross sectional area of wire is the - correct answer circular mil
the drawing scale is most likely to be found in the - correct answer drawing title block
what is the minimum number of overload sensing units required for all three phase motors - correct answer 3
what is the resultant distance between center bends for a 10-inch offset at 15 degrees - correct answer 38.7 inches
What is the symbol for the secondary side of a transformer - correct answer x
Most common transformer on an industrial site - correct answer single phase step down
applications for heat tracing systems with self regulating control include those requiring a narrow operating range and - correct answer temperature sensitive fluids
with a row of 3-4'', 3-2'' and 1-1'' conduits on each side for a straight pullbox what is the minimum distance between the opposite side walls of the box - correct answer 32''
As the mechanical load increases on a squirrel cage induction motor - correct answer torque decreases and stator current increases
when installing cables smaller the 4/0 in cable tray, the allowable cable fill area must not
be less than the sum of the cable - correct answer cross sectional areas
Meter used to measure pulling tension - correct answer dynamometer
on a push button, normally closed contacts are generally used to open a circuit to - correct answer initiate a stop or off circuit function
which of the following is the classified location where combustible dust may be present -
correct answer class i, division i
A UL listed rod type ground electrode must have minimum length of - correct answer 8''
in a circuit of pure capacitance, the current leads the voltage by - correct answer 90 degrees
The standard unit for measuring the cross sectional area of wire is the - correct answer circular mil
the drawing scale is most likely to be found in the - correct answer drawing title block
what is the minimum number of overload sensing units required for all three phase motors - correct answer 3
what is the resultant distance between center bends for a 10-inch offset at 15 degrees - correct answer 38.7 inches
What is the symbol for the secondary side of a transformer - correct answer x
Most common transformer on an industrial site - correct answer single phase step down
applications for heat tracing systems with self regulating control include those requiring a narrow operating range and - correct answer temperature sensitive fluids
with a row of 3-4'', 3-2'' and 1-1'' conduits on each side for a straight pullbox what is the minimum distance between the opposite side walls of the box - correct answer 32''
As the mechanical load increases on a squirrel cage induction motor - correct answer torque decreases and stator current increases
when installing cables smaller the 4/0 in cable tray, the allowable cable fill area must not
be less than the sum of the cable - correct answer cross sectional areas
Meter used to measure pulling tension - correct answer dynamometer
on a push button, normally closed contacts are generally used to open a circuit to - correct answer initiate a stop or off circuit function
which of the following is the classified location where combustible dust may be present -
correct answer class i, division i
