Transmitters or transducers can measure
a) temperature
b) air flow
c) air flow velocity
d) water flow
e) all of the above
Answer: E
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Power Engineering Chapter 109
- Electronic controllers can be divided into two types
- An example of a final control element is a
- In a basic electrical control system the device that senses a drop in air temperature is called the
- Control motors are divided into two classifications
- An example of a controlled device would be
- Pressure controllers can be divided into two classes
- A room thermostat should be mounted on an inside wall about
- A bimetal thermostat's operating range is between
- On-off thermostats are equipped with
- Thermostats may be classified according to their
- A device used to position dampers and control valves is termed
- The electrical resistance of a thermistor will:
- An electronic control system is comprised of a:
- An advantage of an electronic control system is that:
- Authority or Compensation Authority is the:
- Resistance temperature devices can provide a relatively linear resistance variation from:
- A direct acting controller:
- An electronic controller is:
- Setpoint deviation is also called:
- A pressure sensor converts pressure changes into:
- Proportional band or throttling range is the:
- A transducer is a device that is used to: