4 03000AE302052002 ಹ್‌

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Sixth Semester B.Tech Degree Regular and Supplementary Examination July 2021

Course Code: AE302
Course Name: PROCESS CONTROL

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any two full questions, each carries 15 marks. Marks
1 a) Explain process degree of freedom with suitable example. (7)
b) What is period of oscillations in a process? Derive the period with an example. (5)
c) Explain steady state gain. (3)

2 a) Differentiate single capacity/ multicapacity process and interacting/non- (6)

interacting process with examples.

b) Explain variable time constant and discuss how it can be used in a process design. (5)

c) Discuss process time constant with example. (4)

3 a) Analyze the temperature process and comment on the various time constants. (8)

b) Discuss different types of scaling with examples. (7)
PART B

Answer any two full questions, each carries 15 marks.
4 a) What are the process elements in a typical feedback control loop? Using these (10)

elements derive the closed loop transfer functions of the system.

b) Explain dead zone and backlash. (5)
5 a) Derive feed forward controller algorithm and tuning using appropriate figure. (9)
b) Explain factors in feedback controller tuning. (6)

Page 1 of 2