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Give the properties of PVC.
PVC- It is acquired from polymerisation of hydrogen chloride and acetylene in the presence of a catalyst as peroxides at about 500C.
Properties:
1. PVC is a white powder.
2. Its resin is hard, very little flexible and insoluble in many solvents.
3. Properties as porosity, mechanical strength and flexibility, electrical properties and moisture absorption can be changed by adding materials or fillers.
4. It has good mechanical and electrical properties.
5. PVC resists flame, sunlight and most solvents.
6. PVC is non-hygroscopic.
Explain the principle of a thermocouple. Give two examples of some common thermocouples. Thermocouples : They are used for the measurement of temperature. While two wires of v
can you let me know how much it would be for the answer to a question that has 2 parts
current and voltage
if contents of accumulator are all one''s then result would be zero so Z flag should be affected and same if all zero''s.....but here it is written that no flags is affected...
circuit diagram,working and construction of voltmeter
With neat diagram indicate how a simple NAND gate decoder is used to select a 2716 EPROM memory component for memory locations FF800H-FFFFFH. Simple NAND gate Decoder: As the 2
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Q. A transmission line with air dielectric is 25 m long. Find, in wavelengths, how long the line is at frequencies of 1 kHz, 10 MHz, and 100 MHz.
a) With the help of a neat and clean sketch illustrate the difference between relative and absolute motion measuring device. b) Discuss electromechanical methods for calculating
Discuss important properties and uses of Ceramics. Ceramics - These are materials made by high temperature firing treatment of natural clay and specific inorganic matters. The
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