The number of years required for the proposal’s cumulative cash inflows to be equal to its cash outflows is called ‘Payback Period’. It is “the length of time (indicated as the number of years) to recover the initial cost of the project”.
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Wealth maximization is also known as Value Maximization or net Present Worth Maximization. Wealth maximization has all the features of certainty, quality benefits, and timing benefits. The goal of wealth maximization is the widely accepted goal of the business as it reconciles the varied, often conflicting interest of the stakeholders. Also, it is free from
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Fig. 1: Eddy current dynamometer. Working Principle of Eddy Current Dynamometer Eddy current dynamometer is electrical absorption dynamometer working on principle that, when isolated conductor moves through magnetic flux, it induces eddy current, which get dissipated in the form of heat.
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Figure 1: Liquid in Glass Thermometer. Construction & Working of Liquid in Glass Thermometer Liquid in Glass Thermometer consists of glass envelope filled in with liquid and calibrated indicating scale marked on it. The envelope comprises a thick walled glass tube with a capillary bore and a spherical or cylindrical bulb filled with liquid.
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Fig. 1: Bimetallic Thermometer (Bimetallic strip in spiral form) Working Principle of Bimetallic Thermometer Two different materials having different coefficient of thermal expansion rigidly joined together, one on other to form a bimetallic strip.
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McLeod gauge is a low pressure gauge and it is employed for the measurement of vacuum pressures. Figure 1: McLeod Gauge.
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Figure 1: Hot-Cathode Ionization Gauge. Working Principle of Ionization Gauge The basic principle of an ionization gauge is the electrons emitted from a cathode strikes a gas molecule and knocks out an electron from it. Thus the gas molecule remains as a positively charged ion and carries a current called ion current. This current become
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Working Principle of Thermocouple Vacuum Gauge The operating principle of thermocouple Vacuum Gauge is that the conducting ability of gas in vacuum or low pressure depends on the pressure i.e., it is a function of pressure. The measurement of vacuum using thermocouple gauge is shown in figure 1. Figure 1: Thermocouple Vacuum Gauge.
Semiconductor Strain Gauge is also called piezo-resistive strain gauges. These are made up of doped silicon and germanium which have crystalline structure. When subjected to strain, resistivity of this material changes. This property is called piezo-resistive property. (i)
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The resistance of conductors changes with change in temperature. This behavior is used for temperature measurement in RTDs. RTDs show Positive Temperature Coefficient (PTC) of resistance as their resistance increases with the increase in temperature. Metals like platinum, nickel and copper are commonly used as RTDs in industry.
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