Electrical Engineering Pre-Board Examination Review

Vocabulary flashcards covering key terms, IEEE device numbers, electrical laws, and technical definitions from the Registered Electrical Engineers Pre-Board Examination.

RMS value (ac current)

The steady current that produces the same rate of heating in a resistor as the actual current.

Ideal transformer characteristics

Features including infinite permeability, no losses, and no leakage flux.

IEEE Device Number 51

An AC time overcurrent relay.

On-load tap changing location

Usually provided on the HV side of a transformer.

Maximum allowable feeder voltage drop

$$3\%$$

Kirchhoff's Current Law

The sum of the currents into a junction equals the sum of the currents out of the junction.

Magnetic induction

The phenomenon in which a substance becomes a magnet when placed near a magnet.

Low voltage class

The nominal voltage not exceeding $1000$ volts.

Luminous flux

The rate of energy radiation in the form of light waves.

Temperature coefficient of a conductor

The increase in resistance per ohm per degree centigrade.

Basic communication circuit components

Includes a transmitter, communication channel, and receiver.

RA 7638

The law requiring the Department of Energy (DOE) to formulate and update an annual energy program submitted to congress.

IEEE Device Number 32

A directional power relay.

Charge couple device (CCD)

The commonly used light sensor in a modern fax machine.

Station service transformers

Auxiliary transformers used for metering or operation of auxiliary equipment and relays.

XLPE

Cross-linked polyethylene, used for cable sheaths.

Electric cooperative legislation

Presidential Decree No. 269 and Republic Act No. 6938.

Two-watt meter method zero reading

Occurs when the power factor of the load is $0.5$.

Short circuit reactor purpose

To lessen the current in the event of a short circuit.

Primary advantage of FM over AM

Noise immunity.

Graphite bonding

A combination of Vander Waals and covalent bonding.

Schering bridge

A bridge used specifically to measure power factor.

Attenuation constant

The real part ($\alpha$) of the propagation constant of a transmission line.

Philippine Grid Code

Provides the rules and standards to ensure the safe and reliable operation of the high-voltage backbone transmission in the Philippines.

Stray loss in D.C. machines

The sum of iron loss and mechanical loss.

Fleming's left hand rule

The rule used to determine the direction of rotation of a D.C. motor.

Potier triangle

Used in an alternator to determine voltage regulation.

CPD Council Secretariat support types

Includes technical support, administrative support, and operational support.