Articles Posted in the " Thermodynamics " Category

  • THERMODYNAMICS QUESTION ANSWERS CLASS NOTES

    THERMODYNAMICS QUESTION ANSWERS CLASS NOTES

    THERMODYNAMICS QUESTION ANSWERS CLASS NOTES What is the Difference between a control volume and control surface? ANS: Fig. Control Volume & Control Surface Control volume is a 3 dimensional space in a thermodynamic system (say  a compressor or pump). There will be mass transfer, energy transfer and momentum transfer across the control volume. Select control […]


  • THERMODYNAMICS FLUIDS AND DEVICES CLASS NOTES

    THERMODYNAMICS FLUIDS AND DEVICES CLASS NOTES

    THERMODYNAMIC  FLUIDS  AND DEVICES CLASS NOTES    In thermodynamics, meaning of ‘thermo’ is heat energy. Dynamics means the motion of molecules or atoms. Thermodynamic fluids are heat with fluids in motion. Fluids are liquids, vapors & gases. Pressure, temperature, specific volume, density, internal energy & specific weight are important thermodynamic properties of fluids. Thermodynamic properties […]


  • HYDRO ELECTRIC POWER PLANTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    HYDRO ELECTRIC POWER PLANTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    HYDRO ELECTRIC POWER PLANTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ are very helpful in understanding a topic. It also increases level of clarity. It is then possible to apply the fundamentals in real life applications. Hydro power plants are established in hilly areas. Initial cost of installation is high. But later operating charges are […]


  • STEAM TURBINES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    STEAM TURBINES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    STEAM TURBINES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on steam turbine increase their understanding. These also increase level of clarity. High pressure high temperature is fed to the convergent divergent nozzles. The high velocity jet from nozzles strike the turbine blades. Pressure and velocity compounded steam turbines are in existence. Maximum power is produced […]


  • POWER PLANTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    POWER PLANTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    POWER PLANTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS   MCQ increases the level of understanding and the degree of clarity. All types of power plants produce electricity for industry. Power plants are thermal and nuclear types. These use solid, liquid and gaseous fuels. All power plants have harmful effect on environment. Power plants mean (a)        Producing […]


  • JET PROPULSION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    JET PROPULSION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    JET PROPULSION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increase understanding and clarity about jet propulsion. There are many types of jet propulsion engines. It helps in the proper selection of a particular type of jet engine. Fig. Jet Propulsion Jet propulsion uses Newton’s Laws of motion First and second laws Second, first & third […]


  • GAS TURBINES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    GAS TURBINES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    GAS TURBINES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS Gas turbines produce huge power by expanding gases. These gases are produced due to burning o fuel. The gases expand through a series of fixed and moving blades. Compressor increases the pressure. It is run by the turbine. Burning fuel in the combustion chamber increases the temperature. […]


  • HIGH PRESSURE BOILERS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    HIGH PRESSURE BOILERS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    HIGH PRESSURE BOILERS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ are very helpful for increasing understanding of the boilers. These also increase the level of clarity. Ultimately these help in the design and safe working of boilers. The steam capacity of high pressure boilers are in the range 100 to 500 Tons/h 10 to 135 […]


  • DIESEL CYCLE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    DIESEL CYCLE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

      DIESEL CYCLE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS    It consists of two isentropic processes, one isobaric and one at constant volume processes. The sequence of processes is as follows: (i) Compression isentropic. (ii) Supply of heat at constant pressure. (iii) Expansion is isentropic. (iv)  Rejection of heat at constant volume.  It uses diesel […]


  • LAWS OF THERMODYNAMICS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    LAWS OF THERMODYNAMICS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

       LAWS OF THERMODYNAMICS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS    The study of thermodynamics is based on the four laws of thermodynamics. These are zeroth, first, second & third law. Zeroth law establishes Chemical equilibrium Mechanical equilibrium Chemical and mechanical equilibrium None ANS: (iv) Zeroth law establishes Chemical equilibrium Mechanical equilibrium Thermal equilibrium None […]