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FE · 4% of the exam

Engineering Sciences practice questions

10 free Engineering Sciences questions for the FE Chemical Exam (FE) exam, each with the correct answer and an explanation for every option.

Start the questionsFree 10-question FE quiz

What this domain covers

Core mechanics and electrical basics: forces and equilibrium, dynamics, work and energy, and simple circuits.

Exam weight
4%
On a real exam
≈ 4 questions
In our bank
24 questions

Topics that come up most

  • Vector analysis and static equilibrium
  • Friction, momentum and Newton's laws
  • Work, energy and power
  • Ohm's law and Kirchhoff's laws
  • Charge, current, voltage and electrical power

How to study it

Draw a free-body diagram for every statics problem before writing an equation; it stops most sign and direction mistakes.

Sample Engineering Sciences questions

Try each one before opening the answer. Original questions written to the official exam objectives.

  1. Question 1

    A 1-kg parcel of fluid moves at 10 m/s. Its kinetic energy is:

    • A100 J
    • B50 J
    • C10 J
    • D5 J
    Show answer and explanation

    Answer: B) 50 J

    • AIncorrect. Include the ½ factor.
    • BCorrect. ½mv² = ½(1)(100).
    • CIncorrect. Square the velocity.
    • DIncorrect. Square the velocity.

  2. Question 2

    A constant 50-N force pushes an object 4 m in the direction of the force. The work done is:

    • A54 J, adding
    • B12.5 J, dividing
    • C200 J
    • D400 J
    Show answer and explanation

    Answer: C) 200 J

    • AIncorrect. Multiply force by distance.
    • BIncorrect. Multiply force by distance.
    • CCorrect. Work W = Fd = 50 N × 4 m.
    • DIncorrect. That doubles the correct value.

  3. Question 3

    An agitator draws 3 kW at 300 rpm. The shaft torque is about:

    • A10 N·m
    • B95.5 N·m
    • C900 N·m
    • D0.1 N·m
    Show answer and explanation

    Answer: B) 95.5 N·m

    • AIncorrect. Convert rpm to rad/s.
    • BCorrect. T = P/ω = 3,000/(300 × 2π/60).
    • CIncorrect. Divide power by angular speed.
    • DIncorrect. Use watts and rad/s.

  4. Question 4

    A 2-kg mass is lifted 5 m (g = 9.81 m/s²). Its potential energy gain is about:

    • A10 J, omitting g
    • B98 J
    • C19.6 J, the weight
    • D49 J
    Show answer and explanation

    Answer: B) 98 J

    • AIncorrect. Multiply by g.
    • BCorrect. mgh = 2 × 9.81 × 5.
    • CIncorrect. That's mg in newtons.
    • DIncorrect. That uses half the mass.

  5. Question 5

    A 120-V source is connected across a 60-Ω resistor. The current is:

    • A7,200 A, multiplying
    • B2 A
    • C0.5 A, inverting the ratio
    • D180 A
    Show answer and explanation

    Answer: B) 2 A

    • AIncorrect. That's V × R.
    • BCorrect. By Ohm's law, I = V/R = 120/60.
    • CIncorrect. That's R/V.
    • DIncorrect. That adds the numbers.

  6. Question 6

    A 20-Ω electric heater operates at 240 V. Its power is:

    • A4,800 W
    • B12 W
    • C2,880 W
    • D240 W
    Show answer and explanation

    Answer: C) 2,880 W

    • AIncorrect. That's V × R.
    • BIncorrect. That's the current in amperes.
    • CCorrect. P = V²/R = 57,600/20.
    • DIncorrect. Use P = V²/R.

  7. Question 7

    A 24-V source drives a series loop with voltage drops of 10 V and 6 V across two elements. The drop across the third element is:

    • A8 V
    • B16 V
    • C40 V
    • D4 V
    Show answer and explanation

    Answer: A) 8 V

    • ACorrect. Kirchhoff's voltage law: 24 − 10 − 6.
    • BIncorrect. That's the sum of the two known drops.
    • CIncorrect. Drops can't exceed the source.
    • DIncorrect. Recheck: 24 − 16.

  8. Question 8

    A conveyor belt moves at 2 m/s against a 500-N resisting force. The power required is:

    • A250 W
    • B1 kW
    • C502 W
    • D10 kW
    Show answer and explanation

    Answer: B) 1 kW

    • AIncorrect. Multiply, don't divide.
    • BCorrect. P = Fv = 500 × 2 W.
    • CIncorrect. Multiply, don't add.
    • DIncorrect. Recheck: 1,000 W.

  9. Question 9

    A charge of 10 C passes a point in 5 s. The average current is:

    • A2 A
    • B50 A
    • C0.5 A
    • D15 A
    Show answer and explanation

    Answer: A) 2 A

    • ACorrect. I = Q/t = 10 C ÷ 5 s.
    • BIncorrect. Divide, don't multiply.
    • CIncorrect. That's inverted.
    • DIncorrect. Divide, don't add.

  10. Question 10

    A pump must deliver 10 kW to the fluid and is 80% efficient. The required shaft power is:

    • A8.0 kW
    • B12.5 kW
    • C10.8 kW
    • D18.0 kW
    Show answer and explanation

    Answer: B) 12.5 kW

    • AIncorrect. Divide by efficiency; don't multiply.
    • BCorrect. Shaft power = fluid power / efficiency.
    • CIncorrect. Divide 10 by 0.8.
    • DIncorrect. Recheck: 10/0.8.

Engineering Sciences: FAQs

How much of the FE exam is Engineering Sciences?

Engineering Sciences is 4% of the FE exam by the official exam guide's weighting, which on a 110-question form works out to roughly 4 questions. The real exam's exact split varies by form.

What does the Engineering Sciences domain cover?

Core mechanics and electrical basics: forces and equilibrium, dynamics, work and energy, and simple circuits.

How should I study Engineering Sciences for FE?

Draw a free-body diagram for every statics problem before writing an equation; it stops most sign and direction mistakes.

Where can I practise more Engineering Sciences questions?

This page has 10 free Engineering Sciences questions with answers. The ExamWize FE question bank has 24 questions in this domain. Every practice exam result breaks your score down by domain, and Review Mode re-drills the questions you missed.

Other FE topics

Also: 15 free questions across all topics, the FE cheat sheet and the study guide.

Get Engineering Sciences exam-ready

The full FE bank has 24 Engineering Sciences questions. Timed practice exams match the real exam's length and domain weights, every result shows your score per domain, and Review Mode re-drills the questions you missed.

See the full FE practice examsTake the free diagnostic

Not affiliated with NCEES; questions are original, written from the official exam outline, and never copied from the real exam.