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Kelvin Plank Statement:
Sol: It is impossible to construct this type of H.E. that operates on cyclic process and converts all the heat supplied to it into equivalent amount of work. The conclusions stated below can be made from statement
1. No cyclic engine can converts whole heat into equivalent work.
2. There is degradation of energy in a cyclic heat engine as some of the heat has to be degraded or rejected.
Therefore second law of thermodynamics is called as law of degradation of energy. For satisfactory operation of heat engine there should be least 2 heat reservoirs source and sink.
Working of Drum Type Brake: When we apply brake to the motorcycle that means we are applying force 'F' to the brake shoes. This force pushes the brake shoes towards the drum surf
What are the condition that could allow a continuous chip to be formed in a metal cutting ? How is metal removed in metal cutting? Illustrate the Process with neat sketch. What
Capacitor Discharge Welding This is used for welding of studs, welding of thermocouples, etc. on the base metal. A low voltage, high amperage electrical discharge from a capac
Cylinder Bore: The nominal inner diameter of the working cylinder is called the cylinder bore and is designated by the letter D and is usually expressed in millimetre (mm).
A 2 Kg mass is suspended in a box by a spring as shown in figure. The box is put on a platform having vibration y = 0.8 sin 6t cm. calculate absolute amplitude of mass
Chain conveyors consists of overhead mounted endless chain. It is supported from the ceiling and has a fixed path to travel. It saves valuable floor space. The arrangement i
Hammer/Mallet: Hammer is used to strike a job to bring it in shape or otherwise. It is made of carbon steel. The wooden handle does not allow the shock to hand but handles made in
Types of Culverts: Culverts are constructed with various materials and to different designs. The popular forms are : (a) Temporary stone scuppers (b) Stone slab culverts
Stitch welding Here, a series of overlapping spot welds are made with the spot welding machine using the conventional electrode tip. Both water tight and gas tight joints can b
Application of dynamic emf
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