Process Control

Assignment -1

1 Explain the followings with examples?

1) Regulatory control

2) Servo mechanisms

3) Human Aided Control

4) Automatic Control

5) Discrete state control

2 Draw and Explain the block diagram of process control & following terms with example,

1) Process

2) Error Detector

3) Controller

4) Process variable

5) Set point

6) Measured variable

7) Manipulated variable

8) Control Element

3 What is P&I diagrams? Explain what information it contains & its use for system engineer?

4 Explain various signal standards used in process industries with their advantages and limitations?

5 Explain with neat diagram

1) DDC

2) DCS

6 Draw block diagram of typical SCADA systems & list components used in SCADA?

Assignment 2

1 What is process transmitter explain with block diagrams?

2 Explain various types of pressure transmitters?

Explain the Differential Pressure Transmitter with block diagram? Explain various sensing Elements for differential pressure measurement

3 What are intelligent transmitter and their features?

4 Explain how DPT can be used for process tank level and Flow measurement?

5 Explain the following terms concern to process measurement : (any three)

1) Accuracy and ways to express it

2) Span, Zero and range

3) Linearity and linearization

4) Repeatability

5) Sensitivity

6) Response Time

7) Calibration

Assignment 3

1 What are the types of temperature sensors used in process industries?

Explain temperature