Assistant Engineer

Securing a position as an Assistant Engineer (AE) through the Sindh Public Service Commission (SPSC) is a pivotal milestone for any engineering graduate in Pakistan. This competitive landscape demands more than just rote memorization; it requires a deep, analytical grasp of core engineering principles integrated with current industry standards. Our SPSC Assistant Engineer Quiz is meticulously curated to bridge the gap between academic theory and the high-stakes reality of civil, electrical, and mechanical engineering examinations. Success in these rigorous assessments hinges on your ability to synthesize technical knowledge under pressure. Whether you are aiming for SPSC, or navigating the foundational requirements of ECAT and HEC-accredited professional certifications, this quiz serves as a diagnostic tool to pinpoint your conceptual blind spots. We emphasize high-yield topics—ranging from structural mechanics and fluid dynamics to project management and regulatory codes—ensuring your preparation aligns with the latest SPSC syllabus patterns. To excel, move beyond passive reading. Adopt a strategic approach: prioritize understanding the "why" behind every formula and practice time-bound problem-solving to build cognitive endurance. This platform is designed to simulate the actual exam environment, fostering the critical thinking skills necessary to outperform the competition. By engaging with these expert-led questions, you are not merely preparing for a test; you are sharpening the professional acumen required to excel as a technical leader in the public sector. Dedicate yourself to this rigorous practice, and transform your potential into a definitive career breakthrough.

Practice questions

  1. The minimum cover for main reinforcement in RCC water tank is:
    • 15 mm
    • 25 mm
    • 30 mm
    • 40 mm
  2. Grit chambers are used in wastewater treatment to:
    • Remove fine particles
    • Remove heavy inorganic solids
    • Aerate water
    • Reduce BOD
  3. Coagulation helps to:
    • Disinfect water
    • Form larger flocs from fine particles
    • Filtration
    • Aerate water
  4. The primary function of a sedimentation tank is:
    • Filter water
    • Remove suspended solids by gravity
    • Aerate water
    • Disinfect water
  5. The typical velocity in sewers to prevent sedimentation is:
    • 0.3 m/s
    • 0.6–3 m/s
    • 3–5 m/s
    • 5–6 m/s
  6. Activated sludge process is a type of:
    • Physical treatment
    • Chemical treatment
    • Biological treatment
    • Sedimentation
  7. The standard pH of drinking water is:
    • 4–5
    • 6.5–8.5
    • 7–9
    • 8.5–10
  8. Chlorination is primarily used to:
    • Remove turbidity
    • Kill pathogens
    • Soften water
    • Adjust pH
  9. The hydraulic radius of a full circular pipe is:
    • D/2
    • D/4
    • D/6
    • D/8
  10. The unit weight of water is:
    • 7.85 kN/m³
    • 8.33 kN/m³
    • 9.81 kN/m³
    • 10 kN/m³
  11. The surge tank is used to:
    • Store water
    • Reduce pressure fluctuations
    • Filter water
    • Aerate water
  12. Factor of safety against sliding for retaining walls is usually:
    • 1.0
    • 1.5
    • 2.0
    • 2.5
  13. The minimum self-cleansing velocity in sewer design is:
    • 0.3 m/s
    • 0.6 m/s
    • 1.0 m/s
    • 1.5 m/s
  14. BOD indicates:
    • Chlorine demand
    • Organic pollution
    • pH
    • Turbidity
  15. The main purpose of a clear well is:
    • Sedimentation
    • Storage of treated water
    • Chlorination
    • Aeration
  16. Sedimentation works mainly on:
    • Chemical reaction
    • Gravity
    • Filtration
    • Disinfection
  17. Alum dose for coagulation is:
    • 5–10 mg/L
    • 10–50 mg/L
    • 100–200 mg/L
    • 500–1000 mg/L
  18. Steel in RCC resists mainly:
    • Compression
    • Tension
    • Shear
    • All of the above
  19. Chlorination is ineffective against:
    • Bacteria
    • Viruses
    • Protozoan cysts
    • Algae
  20. Reynolds number indicates:
    • Laminar or turbulent flow
    • Velocity
    • Hydraulic gradient
    • Pipe diameter
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