NivaarExam Prep

22-Mec-A6 Fluid Machinery

Worked solutions to 13 past sittings (2013–2019), 94 questions. Pick a sitting, or start from a topic below.

Topics across the sittings

Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.

Questions by sitting

December 2019

  1. Question 1: Convergent–Divergent Nozzle — Normal Shock at the Exit Plane
  2. Question 2: Ideal Flow from a Radial Velocity Potential
  3. Question 3: Turbulent Flow through an Annular Pipe from a Reservoir
  4. Question 4: Combined Couette–Poiseuille Flow between Parallel Plates
  5. Question 5: Dimensional Analysis of the Pressure Drop at a Sudden Contraction
  6. Question 6: Integral Boundary Layer over a Moving Belt

December 2018

  1. Question 1: Convergent–Divergent Valve — Canister Blowdown
  2. Question 2: Potential Flow — Discharge Pipe and Drain near a Bed
  3. Question 3: Laminar Draining of an Oil Tank
  4. Question 4: Gravity–Couette Flow between Inclined Plates
  5. Question 5: Dimensional Analysis of Missile Lift
  6. Question 6: Integral Boundary Layer over a Moving Belt

May 2018

  1. Question 1: Convergent–Divergent Nozzle with an Exit Shock
  2. Question 2: Ideal Radial Flow from a Velocity Potential
  3. Question 3: Adiabatic Constant-Area Duct with Friction (Fanno Flow)
  4. Question 4: Gravity-Driven Laminar Flow in an Annulus with One Free-Slip Wall
  5. Question 5: Dimensional Analysis of 2D Creeping-Flow Drag
  6. Question 6: Laminar Boundary Layer in a Favourable Pressure Gradient (Momentum Integral)

December 2017

  1. Question 1: Convergent–Divergent Nozzle Between Two Reservoirs
  2. Question 2: Ideal Flow from the Potential $\phi=-\Gamma\ln r$
  3. Question 3: Head to Drive Flow Through an Annulus
  4. Question 4: Combined Gravity–Couette Flow Between Inclined Plates
  5. Question 5: Wind-Tunnel Testing of a Submarine Model
  6. Question 6: Boundary Layer in an Accelerating External Flow

May 2017

  1. Question 1: Blowdown of a Pressurised Canister through a Convergent–Divergent Valve
  2. Question 2: Forces on a Discharge Pipe near a Tank Bed (Potential Flow)
  3. Question 3: Reaction Force on a Flanged Reducing Bend
  4. Question 4: Step (Rayleigh) Bearing — Lubrication Theory
  5. Question 5: Dimensional Analysis of a Sudden Contraction
  6. Question 6: Drag of a Plate Immersed in a Turbulent Boundary Layer

December 2016

  1. Question 1: Compressor Stage Performance
  2. Question 2: Compressor Blade Angles
  3. Question 3: Hydro Turbine Design (Francis)
  4. Question 4: Hydro Turbine Model (Vanderkloof)
  5. Question 5: Steam Turbine Blade Efficiency
  6. Question 6: Compressor and Turbine Blade Shape
  7. Question 7: Turbine and Compressor Stage Limitations
  8. Question 8: Pump and System Characteristics

May 2016

  1. Question 1: Pump Power and Homologous Scaling
  2. Question 2: Pump Application — Preliminary Design
  3. Question 3: Hydro Turbines — Pelton Wheel and Francis Setting
  4. Question 4: Curtis (Velocity-Compounded) Impulse Turbine
  5. Question 5: Boiler Draught Fans in Parallel
  6. Question 6: Turbine Blade Characteristics
  7. Question 7: Turbine Blade Flow
  8. Question 8: Fan Control

May 2015

  1. Question 1: Hydro Turbines
  2. Question 2: Hydro Turbine Model (Vanderkloof)
  3. Question 3: Multi-jet Pelton Turbine
  4. Question 4: Curtis (Velocity-Compounded) Impulse Turbine
  5. Question 5: Gas Turbine Blades (Power Turbine)
  6. Question 6: Pump and Turbine Specific Speed
  7. Question 7: Cavitation and Erosion
  8. Question 8: Flow Control

December 2014

  1. Question 1: Pelton Wheel Turbine
  2. Question 2: Simple-Cycle Gas Turbine
  3. Question 3: Pump Application and Cavitation
  4. Question 4: Centrifugal Pump Impeller Design
  5. Question 5: Steam-Turbine Stage Velocity Diagram
  6. Question 6: Vane and Blade Design (Descriptive)
  7. Question 7: Turbine Blade Characteristics (Descriptive)
  8. Question 8: Compressor and Pump Characteristics (Descriptive)

May 2014

  1. Question 1: Pump Power and Homologous Scaling
  2. Question 2: Hydro Turbines — Pelton Wheel and Francis Setting
  3. Question 3: Steam Turbine Impulse Blades
  4. Question 4: Compressor First Stage
  5. Question 5: Boiler Draught Fans in Parallel
  6. Question 6: Turbine Efficiency versus Load
  7. Question 7: Fan Flow-Control Methods
  8. Question 8: Number of Stages — Compressor versus Turbine

December 2013

  1. Question 1: Hydro Turbines
  2. Question 2: Hydro Turbine Model
  3. Question 3: Pump Performance
  4. Question 4: Curtis (Velocity-Compounded) Impulse Turbine
  5. Question 5: Gas Turbine Blades (Power Turbine)
  6. Question 6: Pump and Turbine Specific Speed
  7. Question 7: Compressor and Pump Characteristics
  8. Question 8: Fan Blade Shape

May 2013

  1. Question 1: Pump Power and Homologous Scaling
  2. Question 2: Hydro Turbines — Pelton Wheel and Francis Setting
  3. Question 3: Steam Turbine Blades — Velocity Diagram
  4. Question 4: Gas Turbine Blades
  5. Question 5: Boiler Draught Fans in Parallel
  6. Question 6: Pump and Turbine Flow Characteristics
  7. Question 7: Turbine Blade Characteristics
  8. Question 8: Fan and Compressor Flow Characteristics

Undated paper

  1. Question 1: Hydro Turbine Model (Vanderkloof)
  2. Question 2: Compressor First Stage
  3. Question 3: Steam Turbine Blades (Impulse Stage)
  4. Question 4: Pump Operational Characteristics
  5. Question 5: Pump Simulation Equation
  6. Question 6: Fan Control
  7. Question 7: Turbine Blade Flow
  8. Question 8: Pump and Turbine Cavitation and Setting