warning is automatically triggered‚ this gives people precious additional seconds to seek shelter Gas analyzers-Detect a build up sulphur dioxide in volcanoes Infrared spectroscopy can detect the heat signature of magma as rises through a volcano Strain Gauges detect ground movement‚ a possible precursor to an earthquake Radon build up in well water can indicate an imminent earthquake Animal behavior Preventive Measures Usually the answer is no‚ there are no preventive measures we cannot stop natural
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calibration of end standards by interferometry - NPL Gauge length interferometer‚ calibration of line standard by micrometer microscope‚ Photoelectric microscope and moir fringe technique‚ measurement of large displacements using lasers‚ photoelectric autocollimator‚ Types of interchange Module – II (15 hours) Limit Gauges: Taylor’s principles of gauge design‚ limitations of ring & plug gauges‚ position and receiver gauges‚ types of limit gauges. Comparators: Multirange sigma comparator‚ optotest
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GCSE Biology for teaching from September 2011 onwards (version 1.1) 3.3 Unit 1: Biology 1 B1.1 Keeping healthy Subject Content A combination of a balanced diet and regular exercise is needed to help keep the body healthy. Our bodies provide an excellent environment for many microbes which can make us ill once they are inside us. Our bodies need to stop most microbes getting in and deal with any microbes which do get in. Vaccination can be used to prevent infection. Candidates should use
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1. AGGREGATE CRUSHING VALUE TEST AIM (i) to determine crushing value of given road aggregates; (ii) to assess suitability of aggregates for use in different types of road pavements. APPARATUS The apparatus as per IS: 2386-1963 (part IV) consists of the following: (i) The test mould-a 15.2 cm diameter open ended steel cylinder with square base plate; plunger having a piston of diameter 15cm‚ with a hole provided across the stem of the plunger so that a rod could be inserted for lifting
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INTRODUCTION Deadweight testers are used as a for accurate measurement to calibrate pressure gauges‚ transmitters‚ transducers‚ recorders and controllers. Deadweight testers are very accurate‚ they produce pressure by applying force using calibrated stainless steel or brass weights over a predetermined area. There are numerous models available to meet specific applications. A typical deadweight tester consists self-contained pump for the generation of pressure‚ they also include a piston‚ cylinder
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Distinguish between part‐to‐part variation and measurement variation and the breakdown of repeatability and reproducibility. Describe the components of measurement variation including bias‚ stability‚ linearity‚ discrimination‚ and precision. Perform a Gauge R&R experiment using presented methodology and interpret using the AIAG (2002) measurement system acceptability criteria to assess capability of a measurement system. Perform an Attribute Agreement Analysis experiment using presented methodology
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S t o r a g e Ta n k M e a s u r e m e n t Servo Gauges ”The Tank Gauging People” Servo tank gauge - the advanced gauging tool Enraf introduced the automatic servo level gauging technology in the mid-fifties. Not long afterwards‚ we introduced the first Servo tank gauge in history to be certified by the leading Weights and Measures authorities. Innovative ideas are geared towards users satisfaction. After more than 40 years Enraf is still the driving force in tank gauging. Continuous development
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discuss the development of these technologies and the principles that they operate on. A Review of Aircraft Instrumentation Technology The flight decks of modern aircraft have changed dramatically over the years from; analog air pressure operated gauges to cathode ray tube (CRT) monitors to liquid crystal display (LCD) screens and automated electronic flight management computers. The principles of operation of aircraft instrumentation have remained largely unchanged. The benefits yielded by the
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the Charpy Impact Test is conducted to study the toughness of some specimens of steel. Toughness is the measure of the ability of a material to absorb energy up to fracture. It has been discovered that the larger the area under a material’s stress-strain curve‚ the tougher it is. Therefore a more ductile material is tougher. An impact test is used to ascertain the fracture characteristics of the material‚ and it merely offers a relative sense of a material’s toughness. 2. APPARATUS (i) Vicker’s
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THINGS TO REMEMBER... Remember there is always a reaction time associated with using a clock or stopwatch Supplement • Use and describe the use of a mechanical method for the measurement of a small distance (including use of a micrometer screw gauge) Micrometers are used to measure small distances accurately • Measure and describe how to measure a short interval of time (including the period of a pendulum) THINGS TO REMEMBER... For measuring short intervals of time (when each period is the
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