FE Mechanical Exam
Questions And Correct
Answers (Verified Answers)
Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. What is the SI unit of force?
A. Joule
B. Watt
C. Newton
D. Pascal
Rationale: Force is measured in newtons (N), where 1 N = 1 kg·m/s².
2. A particle moves with constant velocity. Its acceleration is:
A. Positive
B. Negative
C. Variable
D. Zero
Rationale: Constant velocity means neither speed nor direction
changes, so acceleration is zero.
3. The derivative of 𝒙𝟑 is:
A. 𝑥 2
B. 3x²
,C. 3x
D. 𝑥 3 /3
Rationale: Applying the power rule gives d/dx(x³) = 3x².
4. The area under a velocity-time curve represents:
A. Acceleration
B. Force
C. Displacement
D. Power
Rationale: Integrating velocity with respect to time gives
displacement.
5. Which law states that force equals mass times acceleration?
A. First Law
B. Second Law
C. Third Law
D. Universal Gravitation
Rationale: Newton’s Second Law states F = ma.
𝒂 𝒃
6. The determinant of a 2×2 matrix [ ]is:
𝒄 𝒅
A. ad + bc
B. ad − bc
C. ab − cd
D. ac − bd
Rationale: The determinant formula for a 2×2 matrix is ad − bc.
, 7. The SI unit of pressure is:
A. Newton
B. Joule
C. Pascal
D. Watt
Rationale: Pressure is force per unit area and is measured in pascals.
8. A body in static equilibrium must have:
A. ΣF ≠ 0
B. ΣM ≠ 0
C. ΣF = 0 and ΣM = 0
D. Constant acceleration
Rationale: Equilibrium requires zero net force and zero net moment.
9. The integral of 2x dx is:
A. x²
B. x² + C
C. 2x² + C
D. x + C
Rationale: ∫2x dx = x² + C.
10. Which property measures resistance to deformation?
A. Density
B. Conductivity
C. Toughness
D. Elastic Modulus
Rationale: Young’s modulus quantifies stiffness.
Questions And Correct
Answers (Verified Answers)
Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. What is the SI unit of force?
A. Joule
B. Watt
C. Newton
D. Pascal
Rationale: Force is measured in newtons (N), where 1 N = 1 kg·m/s².
2. A particle moves with constant velocity. Its acceleration is:
A. Positive
B. Negative
C. Variable
D. Zero
Rationale: Constant velocity means neither speed nor direction
changes, so acceleration is zero.
3. The derivative of 𝒙𝟑 is:
A. 𝑥 2
B. 3x²
,C. 3x
D. 𝑥 3 /3
Rationale: Applying the power rule gives d/dx(x³) = 3x².
4. The area under a velocity-time curve represents:
A. Acceleration
B. Force
C. Displacement
D. Power
Rationale: Integrating velocity with respect to time gives
displacement.
5. Which law states that force equals mass times acceleration?
A. First Law
B. Second Law
C. Third Law
D. Universal Gravitation
Rationale: Newton’s Second Law states F = ma.
𝒂 𝒃
6. The determinant of a 2×2 matrix [ ]is:
𝒄 𝒅
A. ad + bc
B. ad − bc
C. ab − cd
D. ac − bd
Rationale: The determinant formula for a 2×2 matrix is ad − bc.
, 7. The SI unit of pressure is:
A. Newton
B. Joule
C. Pascal
D. Watt
Rationale: Pressure is force per unit area and is measured in pascals.
8. A body in static equilibrium must have:
A. ΣF ≠ 0
B. ΣM ≠ 0
C. ΣF = 0 and ΣM = 0
D. Constant acceleration
Rationale: Equilibrium requires zero net force and zero net moment.
9. The integral of 2x dx is:
A. x²
B. x² + C
C. 2x² + C
D. x + C
Rationale: ∫2x dx = x² + C.
10. Which property measures resistance to deformation?
A. Density
B. Conductivity
C. Toughness
D. Elastic Modulus
Rationale: Young’s modulus quantifies stiffness.
