Fundamentals of Engineering (FE) Mechanical
Questions And Correct Answers (Verified
Answers) Plus Rationales 2025/2026 Q&A |
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1. Units & Dimensions
1. The SI unit of force is:
A) Joule
B) Watt
C) Newton
D) Pascal
The Newton (N) is defined as kg·m/s² and is the SI unit of force.
2. The dimensional formula for pressure is:
A) ML/T
B) M/LT
C) M/LT²
D) ML²/T
Pressure = Force/Area = (ML/T²)/L² = M/LT².
2. Statics
3. A body is in equilibrium when:
A) Acceleration is constant
B) Velocity is constant
C) Sum of forces and moments equals zero
D) Kinetic energy is zero
Static equilibrium requires ΣF = 0 and ΣM = 0.
4. The moment of a force equals:
A) Force × velocity
B) Force × perpendicular distance
, C) Mass × acceleration
D) Force / distance
Moment = F × d⊥.
5. A simply supported beam with center load has maximum bending
moment at:
A) Supports
B) Quarter span
C) Midspan
D) Anywhere
Maximum bending moment occurs at the center for a symmetric point load.
3. Dynamics
6. Newton’s second law states:
A) F = mv
B) F = mg
C) F = ma
D) F = m/a
Force equals mass times acceleration.
7. Kinetic energy is:
A) mv
B) ½mv²
C) mg
D) ½mgh
Standard kinetic energy equation.
8. Impulse equals:
A) Force × velocity
B) Force × time
C) Mass × velocity
D) Work
, Impulse = FΔt and equals change in momentum.
4. Mechanics of Materials
9. Stress equals:
A) Force × Area
B) Force / Area
C) Area / Force
D) Force × Length
Stress = σ = F/A.
10.Hooke’s Law states:
A) σ = ε/E
B) σ = Eε
C) ε = E/σ
D) σ = E²
Stress proportional to strain in elastic region.
11.Shear stress in a circular shaft under torque is maximum at:
A) Center
B) Outer surface
C) Half radius
D) Anywhere
Shear stress increases linearly from center to outer surface.
12.The unit of Young’s modulus is:
A) N
B) N/m
C) Pa
D) m²
Modulus has same units as stress.
Questions And Correct Answers (Verified
Answers) Plus Rationales 2025/2026 Q&A |
Instant Download Pdf
1. Units & Dimensions
1. The SI unit of force is:
A) Joule
B) Watt
C) Newton
D) Pascal
The Newton (N) is defined as kg·m/s² and is the SI unit of force.
2. The dimensional formula for pressure is:
A) ML/T
B) M/LT
C) M/LT²
D) ML²/T
Pressure = Force/Area = (ML/T²)/L² = M/LT².
2. Statics
3. A body is in equilibrium when:
A) Acceleration is constant
B) Velocity is constant
C) Sum of forces and moments equals zero
D) Kinetic energy is zero
Static equilibrium requires ΣF = 0 and ΣM = 0.
4. The moment of a force equals:
A) Force × velocity
B) Force × perpendicular distance
, C) Mass × acceleration
D) Force / distance
Moment = F × d⊥.
5. A simply supported beam with center load has maximum bending
moment at:
A) Supports
B) Quarter span
C) Midspan
D) Anywhere
Maximum bending moment occurs at the center for a symmetric point load.
3. Dynamics
6. Newton’s second law states:
A) F = mv
B) F = mg
C) F = ma
D) F = m/a
Force equals mass times acceleration.
7. Kinetic energy is:
A) mv
B) ½mv²
C) mg
D) ½mgh
Standard kinetic energy equation.
8. Impulse equals:
A) Force × velocity
B) Force × time
C) Mass × velocity
D) Work
, Impulse = FΔt and equals change in momentum.
4. Mechanics of Materials
9. Stress equals:
A) Force × Area
B) Force / Area
C) Area / Force
D) Force × Length
Stress = σ = F/A.
10.Hooke’s Law states:
A) σ = ε/E
B) σ = Eε
C) ε = E/σ
D) σ = E²
Stress proportional to strain in elastic region.
11.Shear stress in a circular shaft under torque is maximum at:
A) Center
B) Outer surface
C) Half radius
D) Anywhere
Shear stress increases linearly from center to outer surface.
12.The unit of Young’s modulus is:
A) N
B) N/m
C) Pa
D) m²
Modulus has same units as stress.
