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Free FE Electrical and Computer Practice Questions

10 free, exam-style FE Electrical and Computer (FE Electrical and Computer) practice questions with answers and explanations. No signup required. Work through them below, then take the full free FE Electrical and Computer practice test to study every exam domain.

These 10 free FE Electrical and Computer questions are organized by exam domain, so you can see how each part of the FE Electrical and Computer blueprint is tested. Reveal the answer and explanation under each question.

Domain 3: Ethics and Professional Practice (4-6 questions, ~4-5%)

Question 1

A licensed engineer working for a manufacturing firm discovers that a product currently being shipped has a design flaw that could pose a safety risk to consumers. After reporting the issue, the engineer's supervisor instructs them to continue shipping while a cost analysis is performed. According to the NSPE Code of Ethics, the engineer should:

  1. Continue shipping since the supervisor has the authority to make this decision
  2. Resign from the position immediately to avoid any personal liability exposure
  3. Escalate the safety concern to higher management or appropriate authority
  4. Comply with the directive but thoroughly document the supervisor's instruction in writing
Show answer & explanation

Correct answer: C - Escalate the safety concern to higher management or appropriate authority

Domain 4: Engineering Economics (5-8 questions, ~5-7%)

Question 2

A company plans to invest in equipment that will generate uniform annual savings of $15,000 per year for 10 years. If the minimum attractive rate of return (MARR) is 8%, the maximum amount the company should pay for the equipment today is most nearly:

  1. $100,650 in the standard framework
  2. $150,000 in the standard framework
  3. $217,350 in the typical case
  4. $69,750 under standard market practice
Show answer & explanation

Correct answer: A - $100,650 in the standard framework

Domain 6: Circuit Analysis (DC and AC Steady State) (11-17 questions, ~10-15%)

Question 3

A circuit consists of a 12 V DC source in series with a 4 Ω resistor, connected to two terminals A-B. A 6 Ω resistor is connected in parallel with the series combination of the source and 4 Ω resistor across terminals A-B. The Thevenin equivalent voltage (V_TH) and resistance (R_TH) as seen from terminals A-B are most nearly:

  1. V_TH = 12 V, R_TH = 10 Ω when applied properly
  2. V_TH = 7.2 V, R_TH = 2.4 Ω in the standard framework
  3. V_TH = 12 V, R_TH = 2.4 Ω in the standard framework
  4. V_TH = 7.2 V, R_TH = 10 Ω as ordinarily interpreted
Show answer & explanation

Correct answer: B - V_TH = 7.2 V, R_TH = 2.4 Ω in the standard framework

Domain 8: Signal Processing (5-8 questions, ~5-7%)

Question 4

An analog signal containing a 6 kHz component is sampled at 8 kHz without an anti-aliasing filter. The aliased frequency that appears in the sampled output is most nearly:

  1. 2 kHz when applied properly
  2. 6 kHz in the standard framework
  3. 8 kHz under standard market practice
  4. 14 kHz for this purpose
Show answer & explanation

Correct answer: A - 2 kHz when applied properly

Domain 9: Electronics (7-11 questions, ~6-10%)

Question 5

An ideal operational amplifier is configured in a non-inverting topology with a feedback resistor R_f = 100 kΩ and an input resistor R_1 = 10 kΩ. If the input voltage is 0.5 V, the output voltage is most nearly:

  1. 5.0 V in the standard framework
  2. 5.5 V under applicable rules
  3. −5.0 V under accepted convention
  4. 10.0 V in the standard framework
Show answer & explanation

Correct answer: B - 5.5 V under applicable rules

Domain 10: Power Systems (8-12 questions, ~7-11%)

Question 6

A balanced three-phase wye-connected load has a phase voltage of 277 V and draws a line current of 20 A at a power factor of 0.85 lagging. The total real power consumed by the load is most nearly:

  1. 4.7 kW when applied properly
  2. 8.2 kW when applied properly
  3. 14.1 kW under applicable rules
  4. 16.6 kW in the standard framework
Show answer & explanation

Correct answer: C - 14.1 kW under applicable rules

Question 7

A 4-pole, 60 Hz three-phase induction motor operates at a rotor speed of 1,710 RPM under full load. The slip of the motor at this operating condition is most nearly:

  1. 0.02 under accepted convention
  2. 0.05 in this context
  3. 0.10 as ordinarily interpreted
  4. 0.15 under accepted convention
Show answer & explanation

Correct answer: B - 0.05 in this context

Domain 12: Control Systems (6-9 questions, ~5-8%)

Question 8

A unity-feedback control system has an open-loop transfer function G(s) = 50/[s(s + 5)]. The steady-state error for a unit step input is:

  1. 0 (zero) as commonly understood
  2. 0.02 in the typical case
  3. 0.1 under standard market practice
  4. 0.5 in the typical case
Show answer & explanation

Correct answer: A - 0 (zero) as commonly understood

Domain 15: Digital Systems (8-12 questions, ~7-11%)

Question 9

When minimizing a 4-variable Boolean function using a Karnaugh map, a group of 8 adjacent cells (including wrap-around adjacency) eliminates how many variables from the resulting product term?

  1. 1 variable as commonly understood
  2. 2 variables as ordinarily interpreted
  3. 3 variables under applicable rules
  4. 4 variables in the standard framework
Show answer & explanation

Correct answer: C - 3 variables under applicable rules

Domain 17: Software Engineering (4-6 questions, ~4-5%)

Question 10

All of the following sorting algorithms have a worst-case time complexity of O(n log n) EXCEPT:

  1. Merge sort in this context
  2. Heap sort for this purpose
  3. Quick sort in the typical case
  4. Tim sort as ordinarily interpreted
Show answer & explanation

Correct answer: C - Quick sort in the typical case

The rest of the FE Electrical and Computer blueprint

The FE Electrical and Computer exam also covers these domains. Drill them in the full free practice test:

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