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| Subtopic |
Key Concepts |
Video Focus Areas |
| 1.1 |
Dimensions & Systems of
Units |
Fundamental dimensions (Mass,
Length, Time, Temperature, etc.). Systems of units: CGS, MKS, SI, FPS.
Fundamental vs. Derived units. |
| 1.2 |
Unit Conversion &
Dimensional Consistency |
Unit conversion factors.
Dimensional analysis. Dimensional equations. |
| Subtopic |
Key Concepts |
Video Focus Areas |
| 2.1 |
Atomic Weight, Equivalent Weight
& Mole Concept |
Atomic weight, molecular weight,
equivalent weight. Gram mole, kg mole, lb mole. |
| 2.2 |
Composition of Solids, Liquids
& Solutions |
Weight percent, mole percent,
mass fraction, mole fraction. Molarity, molality, normality, ppm. Density and
specific gravity. |
| 2.3 |
Gaseous Mixtures & Gas Laws |
Ideal gas law: PV = nRT.
Dalton's law of partial pressures. Amagat's law (additive volumes). Raoult's
law (vapor pressure). Henry's law (gas solubility). |
| 2.4 |
Humidity & Saturation |
Absolute humidity, relative
humidity, saturation humidity. Dew point, wet bulb temperature. |
| Subtopic |
Key Concepts |
Video Focus Areas |
| 3.1 |
Introduction to Material Balance |
Law of conservation of mass.
General material balance equation: Input + Generation = Output + Consumption
+ Accumulation. |
| 3.2 |
Process Flow Diagrams |
Process flow diagram (PFD),
Process block diagram, P&ID diagram. |
| 3.3 |
Material Balance on Unit
Operations |
Solving material balance
problems for: Mixing, Distillation, Evaporation, Drying, Extraction. |
| 3.4 |
Material Balance with Recycle,
Bypass & Purge |
Recycle: Returning part of the
product to the feed. Bypass: Feeding part of the feed directly to the
product. Purge: Removing a small stream to prevent accumulation. |
| 3.5 |
Unsteady State Material Balance |
Accumulation term is non-zero
(for batch processes). Solving simple accumulation problems. |
| Subtopic |
Key Concepts |
Video Focus Areas |
| 4.1 |
Stoichiometry & Concepts |
Limiting reactant, excess
reactant. Percentage conversion (fractional conversion). Selectivity and
Yield. |
| 4.2 |
Material Balance for Reactions |
Solving material balances for
reactions in fertilizers, petrochemicals, dyestuffs, electrochemical
industries. |
| 4.3 |
Complex Material Balances |
Multiple reactions. Reactions
with recycle. Burning of fuels (with excess air). |
| Subtopic |
Key Concepts |
Video Focus Areas |
| 5.1 |
Heat Capacity & Sensible
Heat |
Heat capacity of gases (C_p),
liquids, and solids. Sensible heat change: ΔH = ∫C_p dT. |
| 5.2 |
Enthalpy Changes During Phase
Transformation |
Latent heat of vaporization,
fusion, sublimation. |
| 5.3 |
Enthalpy Changes with Chemical
Reaction |
Standard heat of reaction.
Hess's law. Heat of formation. Heat of combustion. |
| 5.4 |
Adiabatic Reactions & Heat
of Solution |
Adiabatic temperature rise. Heat
of solution by partial molar quantities. |
| Subtopic |
Key Concepts |
Video Focus Areas |
| 6.1 |
Distillation, Absorption &
Stripping |
Material and energy balance for
distillation columns. Absorption (gas-liquid) and stripping. |
| 6.2 |
Extraction & Leaching |
Material balance for
liquid-liquid extraction and solid-liquid leaching. |
| 6.3 |
Crystallization |
Material and energy balance for
crystallization. Yield and purity calculations. |
| 6.4 |
Psychrometry & Drying |
Psychrometric chart for
air-water system. Drying operations: Moisture content, drying rate.
Evaporation. |
| Subtopic |
Key Concepts |
Video Focus Areas |
| 7.1 |
Types of Fuels & Calorific
Value |
Solid fuels (coal), Liquid fuels
(petroleum), Gaseous fuels (natural gas). Calorific value: Higher Heating
Value (HHV/GCV), Lower Heating Value (LHV/NCV). |
| 7.2 |
Proximate & Ultimate
Analysis of Coal |
Proximate analysis: Moisture,
Volatile matter, Ash, Fixed carbon. Ultimate analysis: C, H, N, S, O. |
| 7.3 |
Combustion Calculations |
Air requirement (theoretical
air, excess air). Flue gas analysis. Orsat analysis. |
| 7.4 |
Calorific Value Estimation &
Flame Temperature |
Dulong's formula (for coal).
Calderwood equation (for liquid fuels). Theoretical flame temperature
(adiabatic flame temperature). |
| 7.5 |
Boiler Material & Energy
Balance |
Boiler efficiency. Energy
balance around a boiler. |