Distributed Control System Objective Questions

You can find the top 10 objective questions and answers on distributed control system (DCS). A quiz also available at the end of the article to practice the questions and evaluate yourself.

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Distributed Control System Questions

1. ________is the specific output of the controller is not uniquely determined by the error.

A) On off control
B) Multi-position control
C) Cascade control
D) Floating control

2. ________ is the elapsed time between the instant deviation occurs and when the corrective action first occurs.

A) Controlled variable
B) Dead time
C) Process
D) Hysteresis

3. A controller operates with ________ when an increasing value of the controlled variable causes an decrease in value of the controller output.

A) Either Direct or Reverse action
B) On off control
C) Direct action
D) Reverse action

4. A controller operates with __________ when an increasing value of the controlled variable causes an increasing value of the controller output.

A) Either Direct or Reverse action
B) Manipulated variable
C) Direct action
D) Reverse action

5. _________ refers to the time for the process control loop to make necessary adjustments to the final control element.

A) Manipulated variable
B) Control lag
C) Valve
D) Process

6. The two position control mode is best adapted to _________ scale system with relatively slow process rates.

A) Medium
B) Large
C) Any
D) Small

7. _________ is a complex assembly of phenomena that relate to some manufacturing sequence.

A) PLC
B) Controlled variable
C) Manipulated variable
D) Process

8. On-Off is the type of _________ Mode.

A) Precise Controller
B) Discontinuous controller
C) Continuous Controller
D) PID Controller

9. In process control the basic objective is to _________ the value of some quantity.

A) Regulate and Control
B) Control
C) Display
D) Regulate

10. _________control mode is used in an attempt to reduce the cycling behavior, overshoot, undershoot inherent in the two position mode.

A) Continuous
B) Multi-position
C) On off control
D) All of the Answers