maintenance engineering important questions 2018 rejinpaul

ME8391 Two Marks with Answers download - click here* ME8391 Question Bank download - click here ME8391 Notes 1 link download - Click here Simple ApplicationsĬlick below link to download Engineering Thermodynamics Syllabus Notes Question papers Question Banks 2 marks with answers Part B Questions with answers download. Psychrometric process – adiabatic saturation, sensible heating and cooling, humidification, dehumidification, evaporative cooling and adiabatic mixing. Property calculations of air vapour mixtures by using chart and expressions. Psychrometric properties, Psychrometric charts.

Properties of gas mixture – Molar mass, gas constant, density, change in internal energy, enthalpy, entropy and Gibbs function. Mole and Mass fraction, Dalton’s and Amagat’s Law. Maxwell relations, Tds Equations, Difference and ratio of heat capacities, Energy equation, Joule-Thomson Coefficient, Clausius Clapeyron equation, Phase Change Processes. Generalised Compressibility Chart and its use. Compressibility factor-.Principle of Corresponding states. Properties of Ideal gas- Ideal and real gas comparison- Equations of state for ideal and real gases- Reduced properties. UNIT IV IDEAL AND REAL GASES, THERMODYNAMIC RELATIONS Ideal and actual Rankine cycles, Cycle Improvement Methods - Reheat and Regenerative cycles, Economiser, preheater, Binary and Combined cycles. Application of I and II law for pure substances. UNIT III PROPERTIES OF PURE SUBSTANCE AND STEAM POWER CYCLEįormation of steam and its thermodynamic properties, p-v, p-T, T-v, T-s, h-s diagrams.

Expressions for the energy of a closed system and open systems. Available and non-available energy of a source and finite body. Concept of entropy, T-s diagram, Tds Equations, entropy change for - pure substance, ideal gases - different processes, principle of increase in entropy. Carnot cycle Reversed Carnot cycle, Performance. Statements of second law and its corollaries. UNIT II SECOND LAW AND AVAILABILITY ANALYSIS First law of thermodynamics –application to closed and open systems – steady and unsteady flow processes. Zeroth law of thermodynamics – concept of temperature and thermal equilibrium– relationship between temperature scales –new temperature scales. Displacement work and other modes of work. Heat and work transfer, definition and comparison, sign convention. Quasi-static, reversible and irreversible processes.

Thermodynamic Equilibrium State, path and process. Intensive and extensive, total and specific quantities. Basic concepts - concept of continuum, comparison of microscopic and macroscopic approach.

Maintenance engineering important questions 2018 rejinpaul