NOCTI Electrical Exam Questions
with 100% Correct Answers
How many watts are dissipated by an electric heater that has unity power factor and
draws 7.8 amps on a 240-volt line - Answer- 1872 watts
Bored holes through wood members must be kept a minimum of ___________ from the
nearest edge of the wood member - Answer- 1 1/4 inches
What color wire can be used a s a hot wire if it is marked with three black stripes on
each end? - Answer- white
The NEC states that a non-metallic sheathed cable with no cable clamps be secured by
staples or straps within _________ from every cabinet, box or fitting. - Answer- 8 inches
Flexible metal conduit should be supported within ________ from an outlet or junction
box. - Answer- 12 inches
The min amount of wire that must be left in a wokbox is - Answer- 6 inches
In which direction should solar panels in the United be facing? - Answer- South
The transformer winding to which the line is connected is called the ________________
winding - Answer- primary
The correct input power of an 87 percent efficient transformer with a power output of 60
volt-amps is - Answer- 69 volt amps
A motor is a dynamo that is used to change - Answer- electrical energy into mechanical
energy
When calculating the efficiency of an AC motor, one needs to know the power factor,
voltage, current and - Answer- horsepower
A motor's _____________ determines what proportion of the total electrical power is
active power and what proportion is reactive power - Answer- power factor
In general a beginning tradesperson with little or no experience in the electrical field is
known as a/an - Answer- apprentice
with 100% Correct Answers
How many watts are dissipated by an electric heater that has unity power factor and
draws 7.8 amps on a 240-volt line - Answer- 1872 watts
Bored holes through wood members must be kept a minimum of ___________ from the
nearest edge of the wood member - Answer- 1 1/4 inches
What color wire can be used a s a hot wire if it is marked with three black stripes on
each end? - Answer- white
The NEC states that a non-metallic sheathed cable with no cable clamps be secured by
staples or straps within _________ from every cabinet, box or fitting. - Answer- 8 inches
Flexible metal conduit should be supported within ________ from an outlet or junction
box. - Answer- 12 inches
The min amount of wire that must be left in a wokbox is - Answer- 6 inches
In which direction should solar panels in the United be facing? - Answer- South
The transformer winding to which the line is connected is called the ________________
winding - Answer- primary
The correct input power of an 87 percent efficient transformer with a power output of 60
volt-amps is - Answer- 69 volt amps
A motor is a dynamo that is used to change - Answer- electrical energy into mechanical
energy
When calculating the efficiency of an AC motor, one needs to know the power factor,
voltage, current and - Answer- horsepower
A motor's _____________ determines what proportion of the total electrical power is
active power and what proportion is reactive power - Answer- power factor
In general a beginning tradesperson with little or no experience in the electrical field is
known as a/an - Answer- apprentice
