NCCER Electrical EXAM NEWEST ACTUAL EXAM
NCCER ELECTRICAL EXAM NEWEST ACTUAL EXAM COMPLETE 200
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!!
The NEC required that all receptacles installed on 25 amp and 20 amp
branch circuits be ______ receptacles - Correct Answer-Grounding
A transformer with the primary of 400 turns and a secondary of 300
turns has a _____ - Correct Answer-Step-down turns ratio of 4:3
The circular mil is based on the - Correct Answer-Cross-sectional area of
the wire
Of the termination classes listed below, ____ is the only one that
provides a seal against external elements. - Correct Answer-Class 1
Unless otherwise noted. the calculations in AC circuits _____ values. -
Correct Answer-Rms
When the coil turns are increased the _____ - Correct Answer-Induced
voltage is increased
As the temperature surrounding a self-regulating heating cable rises,
the ____ - Correct Answer-Resistance of the polymeric core increases
1|Page
, NCCER Electrical EXAM NEWEST ACTUAL EXAM
The motor type that has the highest starting torque is the ____ motor. -
Correct Answer-Capacitor-start
For a given number of poles, the ____ determines the speed of an AC
motor. - Correct Answer-Frequency
Both induction and synchronous motors operate on the principle of a
rotating ____ field - Correct Answer-Magnetic
A transformer has 200 turns in the primary, 150 turns in the secondary,
and 120VAC applied to the primary. The voltage across the secondary is:
- Correct Answer-90Volts
The output capacity of a motor is rated in - Correct Answer-Horsepower
The synchronous speed at which a pole, 60 Hz induction motor
operates is rpm. - Correct Answer-1,800
The sine of 0 degree is - Correct Answer-0
Meters used in AC circuits indicate the - Correct Answer-Effective
2|Page
, NCCER Electrical EXAM NEWEST ACTUAL EXAM
The component labeled 7 in figure 1 is a(n) - Correct Answer-End seal
In an AC circuit containing resistance only _____ will flow if the
resistance is 10 ohms and the voltage is 120V. - Correct Answer-12A
The _____ rotor types are generally rugged. - Correct Answer-Squirrel
cage
Proofs tests are made at_ of the original factory voltage. - Correct
Answer-60%
Which type of heating cable cannot be cut and terminated in the field? -
Correct Answer-Mineral insulated
The secondary of a CT under load should not be opened because of_. -
Correct Answer-Induced high voltage
In a transformer ______ - Correct Answer-Electromagnetic Induction
Ocurs
When a ground rod is installed, the top of the rod must be positioned
______ grade. - Correct Answer-Flush with or below
3|Page
, NCCER Electrical EXAM NEWEST ACTUAL EXAM
When making offset bends, the two kicks must be made perfectly
parallel or the resulting offset will have a _____ - Correct Answer-
Crooked Bend
conduit that requires a 90 degree change in direction, except 42.All of
the following types of condulet may be used as a pulling point for _____
- Correct Answer-C
To be effective, a grounding system must limit the voltage on the
electrical system and protect it from all of the following, except _____ -
Correct Answer-Undervoltage conditions
What is the MOST common service used in a temporary power panel? -
Correct Answer-120/240 volt, 1-phase, 3-wire
What are the 2 MOST common types of overcurrent protective devices?
- Correct Answer-Circuit breakers and fuses
What instrument is used to perform an insulation-resistance test on a
480- volt motor winding? - Correct Answer-Megohmmeter
4|Page
NCCER ELECTRICAL EXAM NEWEST ACTUAL EXAM COMPLETE 200
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!!
The NEC required that all receptacles installed on 25 amp and 20 amp
branch circuits be ______ receptacles - Correct Answer-Grounding
A transformer with the primary of 400 turns and a secondary of 300
turns has a _____ - Correct Answer-Step-down turns ratio of 4:3
The circular mil is based on the - Correct Answer-Cross-sectional area of
the wire
Of the termination classes listed below, ____ is the only one that
provides a seal against external elements. - Correct Answer-Class 1
Unless otherwise noted. the calculations in AC circuits _____ values. -
Correct Answer-Rms
When the coil turns are increased the _____ - Correct Answer-Induced
voltage is increased
As the temperature surrounding a self-regulating heating cable rises,
the ____ - Correct Answer-Resistance of the polymeric core increases
1|Page
, NCCER Electrical EXAM NEWEST ACTUAL EXAM
The motor type that has the highest starting torque is the ____ motor. -
Correct Answer-Capacitor-start
For a given number of poles, the ____ determines the speed of an AC
motor. - Correct Answer-Frequency
Both induction and synchronous motors operate on the principle of a
rotating ____ field - Correct Answer-Magnetic
A transformer has 200 turns in the primary, 150 turns in the secondary,
and 120VAC applied to the primary. The voltage across the secondary is:
- Correct Answer-90Volts
The output capacity of a motor is rated in - Correct Answer-Horsepower
The synchronous speed at which a pole, 60 Hz induction motor
operates is rpm. - Correct Answer-1,800
The sine of 0 degree is - Correct Answer-0
Meters used in AC circuits indicate the - Correct Answer-Effective
2|Page
, NCCER Electrical EXAM NEWEST ACTUAL EXAM
The component labeled 7 in figure 1 is a(n) - Correct Answer-End seal
In an AC circuit containing resistance only _____ will flow if the
resistance is 10 ohms and the voltage is 120V. - Correct Answer-12A
The _____ rotor types are generally rugged. - Correct Answer-Squirrel
cage
Proofs tests are made at_ of the original factory voltage. - Correct
Answer-60%
Which type of heating cable cannot be cut and terminated in the field? -
Correct Answer-Mineral insulated
The secondary of a CT under load should not be opened because of_. -
Correct Answer-Induced high voltage
In a transformer ______ - Correct Answer-Electromagnetic Induction
Ocurs
When a ground rod is installed, the top of the rod must be positioned
______ grade. - Correct Answer-Flush with or below
3|Page
, NCCER Electrical EXAM NEWEST ACTUAL EXAM
When making offset bends, the two kicks must be made perfectly
parallel or the resulting offset will have a _____ - Correct Answer-
Crooked Bend
conduit that requires a 90 degree change in direction, except 42.All of
the following types of condulet may be used as a pulling point for _____
- Correct Answer-C
To be effective, a grounding system must limit the voltage on the
electrical system and protect it from all of the following, except _____ -
Correct Answer-Undervoltage conditions
What is the MOST common service used in a temporary power panel? -
Correct Answer-120/240 volt, 1-phase, 3-wire
What are the 2 MOST common types of overcurrent protective devices?
- Correct Answer-Circuit breakers and fuses
What instrument is used to perform an insulation-resistance test on a
480- volt motor winding? - Correct Answer-Megohmmeter
4|Page
