1. CYLINDER BLOCK- The engine block is the linchpin of vehicles which run on internal combustion‚ providing the powerhouse for the vehicle. EX: A General Motors in-line‚ 6-cylinder block- the entire unit is a one-piece casting of alloy cast iron. Transverse members provide rigidity and strength‚ ensuring alignment of the bores and bearings under all loads. Function- In the bore of cylinder the fresh charge of air-fuel mixture is ignited‚ compressed by piston and expanded to give power to piston
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HCL(Hindustan Computer Ltd.) Founded by Shiv Nadar in 1976‚ headquartered in Noida‚ 90000 employee strength Heightest Range of offerings includes product engineering‚ custom & package applications‚ BPO‚ IT infrastructure services‚ IT hardware‚ systems integration‚ and distribution of information and communications technology (ICT) products across a wide range of focused industry verticals. Follow a unique management concept i.e. Employee First Customer second. This means value creation is not
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Science 12 ATOM DEVELOPMENT WITH SCIENTISTS INVOLVED 400 B.C. - Democritus’ atomic theory posited that all matter is made up small indestructible units he called atoms. Democritus expanded the idea to state that matter was composed of small particles called "atoms" that could be divided no further. These atoms were all composed of the same primary matter with the only differences between them being their size‚ shape and weight. The differences in these characteristics explained the differences
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a sea of positive charge. We now know that the positive charges within the atom are caused by protons which sit inside the nucleus. How did Rutherford discover the nucleus? Rutherford conducted the gold foil experiment. To do this he fired alpha particles at a thin sheet of gold foil.He proved that the majority of the mass of an atom was in a small portion‚ meaning that there must be a nucleus holding the protons and neutrons. Why is the gold foil experiment so significant? The significance of the
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be distinguished at the molecular level by how the particles are held together. * Solids * In the solid phase‚ the intermolecular attraction between particles of matter is strong enough to hold all the particles together in a fixed three-dimensional arrangement. Because of the rigid arrangement of particles‚ solids retain both their shape and volume. * Remember that temperature is a measure of the average kinetic energy of the particles in a substance. This means that the addition of heat
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• Analyze data that shows how gas particle mass affects that gas’s behavior. (Exploration 2) • Describe the Maxwell-Boltzmann Distribution. (Explorations 1 and 2) Description of Activity The kinetic-molecular theory states that a collection of gas molecules’ average kinetic energy has a specific value at any given temperature. In this activity‚ you will study how temperature and gas particle mass affect the frequency distribution of gas particle speeds. You will examine and analyze
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his research with alpha particles to his discovery of the atomic nucleus‚ Rutherford made many contributions to the microscopic world of the atom. The Rutherford Experiment‚ otherwise known as the Gold Foil Experiment‚ was the crown of his achievements‚ and it was during this experiment that he discovered the atomic nucleus. (Aydin &Hanuscin‚ p.59) He made this happen by putting his past research on alpha particles to the test‚ such as the knowledge that an alpha particle should be less massive than
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flames‚ and to occur in "mines‚ bottom of wells‚ churchyards and other lonely places". Physical characteristics Drifting smoke particles provide clues to the movement of the surrounding gas. As most gases are difficult to observe directly‚ they are described through the use of four physical properties or macroscopic characteristics: pressure‚ volume‚ number of particles (chemists group them by moles) and temperature. These four characteristics were repeatedly observed by scientists such as Robert
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because light is scattered by particles present in colloidal solution. The intensity of the scattered light depends on the difference between the refractive indices of the dispersed phase and the dispersion medium. Greater is the difference‚ greater the intensity of light. Brownian Movement There are continuous collisions between the colloidal particles and molecules of dispersion medium which are in constant motion and passes kinetic energy to colloidal particles by striking it from all sides
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