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What typical pressure sensing device may be used in a low pressure control?
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What is the function of electric circuit control device?
the function of the control device is that you can know if the circuit is on or off
Why does twilight cb-500md lighting power control box transformer put out 4 volts when selector switch is off or when in dawn to dusk and it is light out?
The 4 volts is what it takes to operate the light/motion-sensing device and is on so long as there power to the fixture.
A device used to display atmosphere pressure is a?
A device used to display atmospheric pressure is a barometer, or you can use an evacuated cell type of gauge.
Why do we need to stir tert-butyl Alcohol in the proccess of determine freezing point?
This is to ensure even heat distribution so that the measuring device will not give a false reading based on the location of the probe of the temperature sensing device.
What are the functions of pressure vessel and turbine in a nuclear reactor?
The pressure vessel contains the reactor core with its fuel, coolant, moderator, control elements, and emergency systems. The turbine is the device that on receiving the steam it spins and turns the electric generators to produce electricity.
What is olfactory sensing device?
A device that detects odors, such as your nose.
Can you get negative answer for orifice meter?
Yes. The fluid may be flowing backwards or there may be obstructions or distortions in the pressure-sensing lines between the primary measurement device and the secondary measurement device.
What is a atmosphere sensing device?
It a gas valve
What is a radio control servo?
A servo, or servomechanism, is an automatic device that uses error-sensing negative feedback to correct performance. http://en.wikipedia.org/wiki/Servomechanism
What is the function of the current sensing relay in an oil safety control scheme?
The electrical control panel for a refrigeration unit using single or three phase power. The control portion has an oil pressure safety switch, defrost timer, temperature controls and perhaps a refrigerant pressure control in conjunction with the normal internal overload circuit breakers for the compressor. After operation of the refrigeration unit for a period of time, a defrost control device cuts off the compressor and turns on the electric defrost heaters. As the evaporator coils are defrosted, defrost thermostats open the defrost heater supply circuits. When the current sensing relay senses that all the defrost heaters have been shut off via the defrost thermostats, a time delay relay will return the refrigeration unit to the normal refrigeration cycle. The same current sensing relay will prevent false triggering by the oil pressure safety switch if the compressor's internal overload circuit breaker opens
What is the sensing device used to detect magnetic fields called?
A magnetometer.
What consist of one or more sensing elements integral with the motor compressor and an external control device?
A Thermal Protector National Electrical Code, Article 100, Informational note
What is tco1?
Its a temperature sensing device or thermocouple for measuring how hot your computer hardware is
What device can the speed control of the air flow in a pneumatic device?
you actually answered your own question, there are many different speed control devices for pneumatics,since there so many applications finding the correct device may take some research. make sure that the device is suitable for the high pressure side of the system,basically a speed control device is a throttling valve
What is the typical breakover voltage for a DIAC used in an electronic control circuit in which 120 VAC is used with a power output semiconductor device?
32
When spraying into holes drilled for termite control how many psi pressure is needed for spraying device?
36 psi
Is there such thing as the tempris?
There is a temperature sensing device by that name. If that's not what you meant, please be more specific.
