PRINCIPLES AND PRACTICE OF
ENGINEERING (PE) EXAMINATION
PRACTICE EXAM Questions with
Answers and Rationales Question And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A |Instant
Download Pdf
Q1. For a simply supported beam with a central point load P, the maximum
bending moment occurs at:
A. The supports
B. One-quarter span
C. Midspan
D. Varies along the beam
Rationale: The bending moment diagram for this loading condition peaks at the
midpoint.
Q2. The primary purpose of a factor of safety is to:
A. Increase project cost
B. Account for uncertainties
C. Reduce material selection
D. Meet aesthetic requirements
,Rationale: Factor of safety compensates for unknown variations in loads,
materials, and construction.
Q3. Darcy–Weisbach equation is used to determine:
A. Pipe diameter
B. Pump power
C. Head loss due to friction
D. Laminar flow Reynolds number
Rationale: The equation computes friction losses in pipes based on flow and pipe
properties.
Q4. The modulus of resilience is defined as:
A. Maximum stress before failure
B. Total strain energy
C. Energy absorbed up to elastic limit
D. Ratio of stress to strain
Rationale: Resilience measures elastic strain energy capacity before yielding.
Q5. A control volume that has no mass entering or leaving is called:
A. Open system
B. Closed system
C. Adiabatic system
D. Diathermal system
Rationale: Closed systems exchange energy but not mass.
Q6. In project management, a critical path is:
A. Path with least activities
B. Path with most float
, C. Longest-duration path
D. Path with the smallest duration
Rationale: Critical path determines project duration and has zero float.
Q7. The maximum shear stress in a circular shaft occurs:
A. At the center
B. At the outer surface
C. At mid-radius
D. Uniform everywhere
Rationale: Shear stress increases linearly from center to surface.
Q8. The specific speed of a pump is used to:
A. Measure efficiency
B. Select motor power
C. Classify pump impeller type
D. Determine pipe friction
Rationale: Specific speed indicates pump geometry suited for required
head/flow.
Q9. The primary pollutant responsible for acid rain is:
A. Ozone
B. Sulfur dioxide
C. Methane
D. Carbon monoxide
Rationale: SO₂ forms sulfuric acid in the atmosphere.
Q10. The slope of a stress–strain curve in the elastic region represents:
ENGINEERING (PE) EXAMINATION
PRACTICE EXAM Questions with
Answers and Rationales Question And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A |Instant
Download Pdf
Q1. For a simply supported beam with a central point load P, the maximum
bending moment occurs at:
A. The supports
B. One-quarter span
C. Midspan
D. Varies along the beam
Rationale: The bending moment diagram for this loading condition peaks at the
midpoint.
Q2. The primary purpose of a factor of safety is to:
A. Increase project cost
B. Account for uncertainties
C. Reduce material selection
D. Meet aesthetic requirements
,Rationale: Factor of safety compensates for unknown variations in loads,
materials, and construction.
Q3. Darcy–Weisbach equation is used to determine:
A. Pipe diameter
B. Pump power
C. Head loss due to friction
D. Laminar flow Reynolds number
Rationale: The equation computes friction losses in pipes based on flow and pipe
properties.
Q4. The modulus of resilience is defined as:
A. Maximum stress before failure
B. Total strain energy
C. Energy absorbed up to elastic limit
D. Ratio of stress to strain
Rationale: Resilience measures elastic strain energy capacity before yielding.
Q5. A control volume that has no mass entering or leaving is called:
A. Open system
B. Closed system
C. Adiabatic system
D. Diathermal system
Rationale: Closed systems exchange energy but not mass.
Q6. In project management, a critical path is:
A. Path with least activities
B. Path with most float
, C. Longest-duration path
D. Path with the smallest duration
Rationale: Critical path determines project duration and has zero float.
Q7. The maximum shear stress in a circular shaft occurs:
A. At the center
B. At the outer surface
C. At mid-radius
D. Uniform everywhere
Rationale: Shear stress increases linearly from center to surface.
Q8. The specific speed of a pump is used to:
A. Measure efficiency
B. Select motor power
C. Classify pump impeller type
D. Determine pipe friction
Rationale: Specific speed indicates pump geometry suited for required
head/flow.
Q9. The primary pollutant responsible for acid rain is:
A. Ozone
B. Sulfur dioxide
C. Methane
D. Carbon monoxide
Rationale: SO₂ forms sulfuric acid in the atmosphere.
Q10. The slope of a stress–strain curve in the elastic region represents:
