Measuring instrument, mechanical testing & wtvd
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The document discusses different types of measuring instruments used in mechanical testing and engineering. It describes calipers such as vernier calipers and micrometer calipers used to measure small distances. Universal testing machines are used to test tensile and compressive strength, while Rockwell hardness testers use indentation to measure hardness. Impact testers determine impact resistance by measuring absorbed energy. The document also introduces a Wind Turbine Ventilation Device that provides ventilation powered by wind without electricity or maintenance needs.
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1. Measurement involves comparing an unknown value to a known standard using an instrument. Common instruments include indicators, recorders, and integrators.
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TIME DIVISION MULTIPLEXING TECHNIQUE FOR COMMUNICATION SYSTEM
Time Division Multiplexing (TDM) is a method of transmitting multiple signals over a single communication channel by dividing the signal into many segments, each having a very short duration of time. These time slots are then allocated to different data streams, allowing multiple signals to share the same transmission medium efficiently. TDM is widely used in telecommunications and data communication systems.
### How TDM Works
1. **Time Slots Allocation**: The core principle of TDM is to assign distinct time slots to each signal. During each time slot, the respective signal is transmitted, and then the process repeats cyclically. For example, if there are four signals to be transmitted, the TDM cycle will divide time into four slots, each assigned to one signal.
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4. **Multiplexer and Demultiplexer**: At the transmitting end, a multiplexer combines multiple input signals into a single composite signal by assigning each signal to a specific time slot. At the receiving end, a demultiplexer separates the composite signal back into individual signals based on their respective time slots.
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Measuring instrument, mechanical testing & wtvd
- 1. Measuring instrument, Mechanical testing & WTVD PRINCE SINGH
- 2. Measuring Instruments A measuring instrument is a device for measuring a physical quantity. Physical quantities like length, mass, time, area, temperature etc. Measuring instrument like barometer, caliper, clock, thermometer etc.
- 3. Caliper A caliper is a device used to measure the distance between two opposite sides of an object. It is used in many fields such as mechanical engineering, metalworking etc.
- 4. Types of Caliper Inside Caliper Outside Caliper Vernier Caliper Micrometer Caliper Digital Caliper
- 5. Inside caliper Inside caliper is used for measuring inside dimensions. Inside dimension like cavity, hole etc.
- 6. Outside Caliper An Outside caliper is a device which is used for measuring the external size of an object. External size means external diameter or thickness of an object.
- 7. Vernier Caliper Vernier caliper is used for making very accurate linear measurement. It utilizes two graduated scales main scale & Auxiliary Scale or vernier scale. Least count – 0.001cm or 0.1 mm
- 8. Micrometer Caliper A Device which is measure very small distances, thickness, diameter etc. Distance covered by the screw in one revolution .5mm or 1 mm max. Least count – 0.01 mm
- 9. Digital caliper A refinement now popular is the replacement of the analog dial with an electronic digital display on which the reading is displayed as a single value.
- 10. Mechanical Testing Major Equipment for mechanical testing Universal Testing Machine Rockwell Hardness Testing Impact Tester Etc.
- 11. Universal Testing Machine A universal testing machine (UTM), also known as a universal tester,[1] materials testing machine. It is used to test the tensile strength and compressive strength of materials.
- 12. Rockwell Hardness Testing The Rockwell scale is a hardness scale based on indentation hardness of a material. The Rockwell measures the permanent depth of indentation produced by a force on an indenter
- 13. Impact testing machine It is the device which is determine the impact resistance of material. the energy absorb by the sample when arm hit it known as impact energy.
- 14. Wind Turbine Ventilator Device Wind Turbine Ventilation Device (WTVD) is a multi purpose and unique device to provide best environment for your men, machine and material. It will run continuously without any maintenance
- 15. Benefits of WTVD Runs without Electricity on free wind power. No maintenance of the device required, runs year after year. excellent protection against rain. Eco friendly Reduction in maintenance of Plant, machines and rusting of raw material by reduction in humidity level.
- 16. Thank You .