Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
The means commonly used as a medium of control in a plant include analog, digital, mechanical, pneumatic and: 1) Manual 2) Magnetic 3) Thermal 4) Electrical 5) Physical |
Electrical |
|
A current signal is also called a/an: 1) Ampere signal 2) AC signal 3) Generated signal 4) Power signal 5) DC signal |
DC signal |
|
1 PSI equals: 1) 1 kilogram per metre squared 2) 100 kPa 3) 1 kPa 4) 1 Newton per metre squared 5) 6.89 kPa |
6.89 kPa |
|
A control loop controller: 1) Does not require a set point value 2) Will always eliminate deviation 3) Measures the manipulated variable value, eliminating the need of a primary element 4) Sends a signal to a primary element 5) Constantly compares input signals to the set point |
Constantly compares input signals to the set point |
|
Some of the components required to construct an automatic control loop are a sensing element, a transmitter, a _____ and a control valve. 1) Piping system 2) Controller 3) Transducer 4) Transformer 5) Converter |
Controller |
|
A sensing element receives its signal from the: 1) Recorder 2) Control valve 3) Controlled variable 4) Transducer 5) Controller |
Controlled variable |