NivaarExam Prep

17-Phys-B6 Applied Thermodynamics and Heat Transfer

Worked solutions to 6 past sittings (2013–2018), 48 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 2018

  1. Question 1: Adiabatic Gas Mixing (Part a) and an Air-Standard Otto Cycle (Part b)
  2. Question 2: Throttling Calorimeter, Steam Turbine Power, and an Apparently Isentropic Process
  3. Question 3: Automotive Regenerative Gas-Turbine — Schematic, T-s Diagram, Efficiency, Air Flow
  4. Question 4: Ammonia Ice-Making Refrigeration Plant — Power, COP, Condenser Water Flow
  5. Question 5: Insulated Steam Pipe — Heat Loss Before and After Insulation
  6. Question 6: Heat-Generating Cylindrical Conductor — Maximum Generation Rate and Surface Temperature
  7. Question 7: Liquid-Sodium Duct Immersed in Molten Lead — Outlet Temperature and Heat Transfer
  8. Question 8: Water/Air Tubular Heat Exchanger — Effectiveness, Duty, Outlet Temperatures

December 2017

  1. Question 1: Two-Phase Piston-Cylinder — Lift-off Temperature and Heat Added
  2. Question 2: Flash-Chamber Separation and Steam Turbine Power
  3. Question 3: Ammonia vs. R134a — Comparative Vapour-Compression Refrigeration Cycle
  4. Question 4: Reciprocating Air Compressor — Volumetric Efficiency with Valve Losses
  5. Question 5: Pipe Insulation Thickness to Prevent Freezing During Shutdown
  6. Question 6: Combined Internal/External Convection — Tube Length for a Target Outlet Temperature
  7. Question 7: Natural Convection from a Vertical Oil-Filled Heating Panel
  8. Question 8: Heat Exchanger Design — Number of Parallel Tubes

May 2016

  1. Question 1: Stepped-Piston Force Balance; Isothermal Expansion of Saturated Steam
  2. Question 2: Combined Reheat–Regeneration Steam Power Cycle
  3. Question 3: Brayton Cycle with Compressor/Turbine Losses and Pressure Drop
  4. Question 4: Real Freon-12 Vapour-Compression Cycle from Test Data
  5. Question 5: Insulation Thickness for a 95% Heat-Loss Reduction
  6. Question 6: Oil Heated by Hot-Gas Crossflow Over a Tube — Wall-Temperature Check
  7. Question 7: Combined Free Convection and Radiation from a Power Transistor
  8. Question 8: Cross-Flow Tube-Bank Heat Exchanger — Effectiveness–NTU

December 2013

  1. Question 1: Ideal-Gas Polytropic Process; Steady-Flow Air Compression
  2. Question 2: Reheat Rankine Cycle
  3. Question 3: Regenerative Gas-Turbine (Brayton) Cycle
  4. Question 4: Freon-12 Vapour-Compression Refrigeration Cycle
  5. Question 5: Heat Loss Through a Single-Pane Window (Natural Convection Both Sides)
  6. Question 6: Lumped-Capacitance Transient Heating of an Iron Baseplate
  7. Question 7: Radiation Error in a Thermocouple Reading
  8. Question 8: Counter-Flow Tubular Water–Helium Heat Exchanger

May 2013

  1. Question 1: Helium Cycle — p–v Diagram and Thermal Efficiency
  2. Question 2: Two-Stage Reheat Turbine — Boiler Capacity
  3. Question 3: Double-Acting Air Compressor — Cylinder Volume, Power, Heat Rejected
  4. Question 4: Freon-12 Window Air Conditioner — Flow Rate, Power, COP
  5. Question 5: Critical Radius of Pipe Insulation
  6. Question 6: Heat Loss from a Square Sheet-Metal Duct
  7. Question 7: Steady-State Temperature of a Charcoal-Lighter Element
  8. Question 8: Casing-and-Tube Water/Air Heat Exchanger

Undated paper

  1. Question 1: Polytropic Gas Expansion (Part a) and Ammonia Throttling (Part b)
  2. Question 2: Two-Stage Steam Turbine with Extraction and Reheat
  3. Question 3: Air-Standard Two-Turbine Cycle with a Gas-to-Gas Heat Exchanger
  4. Question 4: R-134a Vapour-Compression Refrigeration Cycle
  5. Question 5: Minimum Composite-Window Thickness for a Self-Cleaning Oven
  6. Question 6: Air-Cooling Coil Submerged in an Ice/Water Thermal-Storage Tank
  7. Question 7: Vertical Power-Amplifier Case — Combined Natural Convection and Radiation
  8. Question 8: Sizing a Sh​ell-and-Tube Heat Exchanger — Number of Tubes and Passes