Answer / vijayaprakash

at first u know what is temperature and what is controller

here, to see simple controller automatic iron box

one heater element and thermostat are used. when the
temperature raises thermostat controls the supply of the
heater. it is called on off controller

Answer / akhil.goyalanager1985

space heater

Answer / ernesto

AC, refrigerator

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Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

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