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THERMODYNAMICS: Thermodynamics is the science that deals with the conversion of heat into mechanical energy. It is based upon observations of common experience, which have been formulated into thermodynamic laws. SCOPE OF THERMODYNAMICS IN THERMAL ENGINEERING: Thermal engineering is a very important associate branch of mechanical, chemical, metallurgical,aerospace, marine, automobile, environmental, textile engineering, energy technology, …

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MACHINE DESIGN: Machine design is defined as the use of scientific principles, technical information and imagination in the description of a machine or a mechanical system to perform specific functions with maximum economy and efficiency. BASIC PROCEDURE OF MACHINEDESIGN: The basic procedure of machine design consists of a step-by-step approach from given specificationsabout the functional …

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Condition for selection of factor of safety  1.Effect of failure:      The factors of the safety is high in applications where failure of machine part may result in serious accident.  2. Type of load:      Fs is low :- static external forces      Fs is high:-impact load 3. Degree of accuracy in …

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Factor of Safety            While designing a component, it is necessary to provide sufficient reserve strength in case of an accident.             This is achieved by taking a suitable factor of safety.          Factor of safety defined as the ratio of maximum stress working …

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 What is High Pressure Boiler?           A boiler is called a high-pressure boilerwhen it operates with a steam pressureabove 80 bars. The modern high pressure boiler is of:Steam capacities – 30 to 650 tons/hourand abovePressure – up to 160 barMaximum steam emperature – 549° C TYPES OF HIGH PRESSURE BOILER:1) La-Mont boiler2) Loeffler …

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Type of Stresses-  Tensile stress :         When a body of element of machine is subjected to two equal and opposite axial pull loads then the stress induced at any section of an element is known as tensile stress.  Compressive Stress :          When a body or element of machine …

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Brake-           Brake is one of the most important device of a vehicle. The brake are used to control or minimize the speed of vehicle to avoid jump on speed braker or stop the vehicle. Define brake-     Brake is defined as a device which convert kinetic energy into heat energy and …

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Machine Design:-          The use of scientific principles, Imagination & Technical knowledge in the specifications of the machine or mechanical system to perform specific function with maximum efficiency and economy. Scientific principles:-          Designer uses the principles of basic & engineering sciences such as physics, mathematics, statics, dynamics, fluid …

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Lancashire boiler –             Lancashire Boiler is a horizontal type and stationary fire tube boiler. Lancashire Boiler is invented by Sir William Fairbairn in 1844.  Principal of Lancashire boiler –          Lancashire boiler consists of a horizontal cylindrical shell filled with water. It uses to surround by two large fire tubes. Heat …

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