NivaarExam PrepOfficial exam papers ↗

04-BS-7: December 2018

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

  1. Question 1 Gravity Dam Stability — Middle-Third Rule
  2. Question 2 Equilibrium Level in a Discharging Tank — Gasoline vs Lubricating Oil
  3. Question 3 Archimedes' Crown — Purity by Weight of a Gold–Silver Alloy
  4. Question 4 Hydraulic Jump — Momentum Force Balance and Flow Rate
  5. Question 5 Hydraulic Jump — Head, Energy and Power Loss
  6. Question 6 Trapezoidal Irrigation Canal — Elevation Drop from General Pipe-Flow Relations
  7. Question 7 Jet Force on a Plate vs Static Nozzle Pressure Force
  8. Question 8 Turbojet Engine — Inlet Area and Thrust
  9. Question 9 Treadmill Incline to Simulate Outdoor Wind Resistance
  10. Question 10 Sliding Stability of Two Triangular Dams
  11. Question 11 Wide Shallow River Under Flood Conditions
  12. Question 12 Aerodynamics of a Frisbee in Flight
  13. Question 13 Self-Righting Stability of a Falling Playing Card

Start with Question 1 →

Reference texts: White, F.M., Fluid Mechanics (8th ed.) — fluid statics and hydrostatic force on plane/curved surfaces incl. gravity-dam stability (Ch. 2), buoyancy and Archimedes' principle (Ch. 2), orifice/nozzle discharge and jet momentum forces (Ch. 3, 6), viscous flow in ducts and the Moody chart (Ch. 6), open-channel flow and the hydraulic jump (Ch. 10), drag and stability of bluff bodies (Ch. 7), turbomachinery and jet propulsion (Ch. 11).