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04-BS-7: May 2015

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Three-Fluid Differential Manometer
  2. Question 2 Force to Lift a Submerged Concrete-Block Gate
  3. Question 3 Horizontal Force on the Jounama Dam Radial Gate Pivots
  4. Question 4 Electrical Power for a Gasoline Transfer Pump
  5. Question 5 Pitot-Static Tube Air-Velocity Measurement
  6. Question 6 Thrust on a Wind Turbine (Actuator-Disk Theory)
  7. Question 7 Flow Rate in a Gravity-Fed Concrete Pipeline
  8. Question 8 Head Loss in an Annular Duct
  9. Question 9 Maximum Sustainable Cycling Speed from Drag Data
  10. Question 10 Effect of Pipe-Wall Roughness on the Turbulent Velocity Profile
  11. Question 11 Fastest-Draining Orientation for a Cylindrical Drum
  12. Question 12 Force and Energy Transfer — Flat vs. Curved Plate under a Jet
  13. Question 13 Why a Shower Curtain Blows Inward

Start with Question 1 →

04-BS-7 Mechanics of Fluids — May 2015 (National Examinations, three hours, closed book). Section A (Calculative) offers 9 questions and instructs "do seven"; Section B (Analytical) offers 4 questions and instructs "do three." Every question is answered below (13 of 13), so students can use the full paper as a study resource.

Reference texts: F. M. White, Fluid Mechanics, 8th ed. (McGraw-Hill) — fluid statics (Ch. 2), the linear-momentum and energy equations (Ch. 3), pipe friction and the Moody chart (Ch. 6), and drag on immersed bodies (Ch. 7).