Official Bihar Engineering University examination question papers, marks distribution, and questions transcript. Available exam sessions: 2021, 2020, 2019, 2018.
Open BEU Connect Android app to solve any numerical or derive formulas step by step.
No paper transcript available.
Official BEU curriculum units & topics for this examination subject.
Unit 1.0: Fundamentals
System & Control volume • Property • State & Process • Exact & Inexact differentials • Work-Thermodynamic definition of work • Examples • Displacement work • Path dependence of displacement work and illustrations for simple processes • Electrical • Magnetic • Gravitational • Spring and shaft work
Unit 2.0: Temperature and Energy
Temperature • Definition of thermal equilibrium and Zeroth law • Temperature scales • Various Thermometers- Definition of heat • Examples of heat/work interaction in systems- First Law for Cyclic & Non-cyclic processes • Concept of total energy E • Demonstration that E is a property • Various modes of energy • Internal energy and Enthalpy
Unit 3.0: Properties of Pure Substances
Definition of Pure substance • Ideal Gases and ideal gas mixtures • Real gases and real gas mixtures • Compressibility charts- Properties of two phase systems Const • Temperature and Const. pressure heating of water • Definitions of saturated states • P-v-T surface • Use of steam tables • Saturation tables • Superheated tables • Identification of states & determination of properties • Mollier's chart
Unit 4.0: Flow Processes and Second Law
First Law for Flow Processes - Derivation of general energy equation for a control volume • Steady state steady flow processes including throttling • Examples of steady flow devices • Unsteady processes • Examples of steady and unsteady First law applications for system and control volume • Second law - Definitions of direct and reverse heat engines • Definitions of thermal efficiency and COP • Kelvin-Planck and Clausius statements • Definition of reversible process • Internal and external irreversibility • Carnot cycle • Absolute temperature scale
Unit 5.0: Entropy and Exergy
Clausius inequality • Definition of entropy S • Demonstration that entropy S is a property • Evaluation of Entropy for solids • Liquids • Ideal gases and ideal gas mixtures undergoing various processes • Determination of entropy from steam tables-Principle of increase of entropy • Illustration of processes in T-s coordinates • Definition of Isentropic efficiency for compressors • Turbines and nozzles- Irreversibility and Availability • Availability function for systems and Control volumes undergoing different processes • Lost work • Second law analysis for a control volume • Exergy balance equation and Exergy analysis