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100+ Free REE Board Exam Practice Questions

PRC Registered Electrical Engineer (REE) Licensure Examination practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: REE Board Exam Exam

70%

Passing GWA

PRC / RA 7920

45%

Professional Weight

PRC TOS

3

Exam Subjects

PRC TOS

2 days

Exam Duration

PRC

RA 7920

Governing Law

PRC

50%

Minimum Per Subject

PRC

The REE board exam has three subjects weighted Mathematics 25%, Engineering Sciences and Allied Subjects 30%, and Electrical Engineering Professional Subjects 45%. It is administered by the PRC Board of Electrical Engineering under RA 7920 over two days. To pass, candidates need a general weighted average of at least 70% with no subject rating below 50%. Coverage includes circuits, machines, power transmission and distribution, protection, illumination, and the Philippine Electrical Code Parts 1 and 2.

Sample REE Board Exam Practice Questions

Try these sample questions to test your REE Board Exam exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the REE board exam, the three major subjects are weighted Mathematics 25%, Engineering Sciences and Allied Subjects 30%, and Electrical Engineering Professional Subjects 45%. If a candidate scores 60, 75, and 80 in these subjects respectively, what is the general weighted average?
A.76.25
B.70.0
C.73.5
D.71.75
Explanation: The general weighted average (GWA) = 0.25(60) + 0.30(75) + 0.45(80) = 15 + 22.5 + 36 = 73.5. The PRC weights each subject by its share of the table of specifications before averaging.
2Solve for x: log base 2 of (x) plus log base 2 of (x - 6) = 4.
A.10
B.-2
C.16
D.8
Explanation: Combine logs: log2[x(x-6)] = 4, so x(x-6) = 2^4 = 16, giving x^2 - 6x - 16 = 0, which factors to (x-8)(x+2)=0. Only x = 8 is valid because the argument of a logarithm must be positive (x-6 > 0 requires x > 6).
3What is the derivative with respect to t of the function v(t) = 10 sin(377t + 30 degrees) volts, evaluated as the instantaneous rate of change expression?
A.3770 cos(377t + 30 degrees)
B.10 cos(377t + 30 degrees)
C.3770 sin(377t + 30 degrees)
D.377 cos(377t)
Explanation: By the chain rule, d/dt [10 sin(377t + 30)] = 10 * 377 * cos(377t + 30) = 3770 cos(377t + 30 degrees). The angular frequency 377 rad/s corresponds to 60 Hz (omega = 2*pi*60).
4Evaluate the integral of i(t) = 5 e^(-2t) amperes from t = 0 to t = infinity to find the total charge in coulombs.
A.10 C
B.1.25 C
C.2.5 C
D.5 C
Explanation: Charge Q = integral of 5 e^(-2t) dt from 0 to infinity = [-5/2 e^(-2t)] from 0 to infinity = 0 - (-5/2) = 2.5 C. The integral of e^(-at) from 0 to infinity equals 1/a.
5Express the complex number 5 + j5 in polar form (magnitude and angle).
A.10 angle 45 degrees
B.7.07 angle 30 degrees
C.5 angle 45 degrees
D.7.07 angle 45 degrees
Explanation: Magnitude = sqrt(5^2 + 5^2) = sqrt(50) = 7.07; angle = arctan(5/5) = 45 degrees. Polar form is therefore 7.07 angle 45 degrees, used routinely in AC phasor analysis.
6A bag contains 4 red and 6 blue resistors. If two are drawn at random without replacement, what is the probability that both are red?
A.2/15
B.4/25
C.1/5
D.6/45
Explanation: P(both red) = (4/10)(3/9) = 12/90 = 2/15. The second draw uses 3 remaining red of 9 total because there is no replacement.
7What is the Laplace transform of the unit step function delayed by 'a' seconds, u(t - a)?
A.e^(-as)
B.s e^(-as)
C.e^(-as)/s
D.1/s
Explanation: By the time-shifting (second shift) theorem, L{u(t-a)} = e^(-as) * (1/s) = e^(-as)/s. The factor e^(-as) accounts for the delay and 1/s is the transform of the unit step.
8Find the determinant of the 2x2 matrix [[3, 4], [2, 5]].
A.23
B.-7
C.14
D.7
Explanation: For a 2x2 matrix [[a, b], [c, d]], the determinant is ad - bc = (3)(5) - (4)(2) = 15 - 8 = 7. Determinants are used in solving simultaneous mesh/nodal equations.
9A general solution of the differential equation dy/dx + 2y = 0 is which of the following?
A.y = C e^(-2x)
B.y = C e^(2x)
C.y = C x^(-2)
D.y = 2C x
Explanation: This is a first-order linear homogeneous ODE; its characteristic root is -2, so y = C e^(-2x). Such decaying exponentials describe RL and RC transient responses.
10What is the angle, in radians, equivalent to 270 degrees?
A.2*pi/3
B.5*pi/4
C.3*pi/2
D.pi/2
Explanation: Convert degrees to radians by multiplying by pi/180: 270 * pi/180 = 3*pi/2 radians. This corresponds to three-quarters of a full revolution.

About the REE Board Exam Practice Questions

Verified exam format metadata for PRC Registered Electrical Engineer (REE) Licensure Examination is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.