GTU previous question papers BE- VIIth Sem -Industrial Automation -May/June- 2012

GTU previous question papers

GUJARAT TECHNOLOGICAL UNIVERSITY

BE- VIIth SEMESTER–EXAMINATION – MAY/JUNE- 2012

Subject code: 170802 

Subject Name: Industrial Automation

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Explain generalized Automation and production systems and their classification 

(b) Discuss characteristic of different discontinuous controller mode in detail.   

Q.2 (a) Explain the Discrete State Process Control with suitable example   

(b) Define following Process Characteristics:

1. Process Equation

2. Process Load

3. Process Lag

4. Self Regulation 

OR

(b) Define following terms with respect to Process control

1. Error

2. Variable Range

3. Control Parameter Range

4. Control Lag

5. Dead Time

6. Cycling

7. Controller Modes 

Q.3 (a) Explain PID controller.   

(b) Explain Architecture and block diagram of PLC   

OR

Q.3 (a) Explain PI controller.   

(b) Explain Two position control Mode Action By

1. Electromechanical Design

2. Analog Electronics Design

3. Digital electronics Design 

Q.4 (a) Develop a ladder diagram for ON-OFF operation of Motor by using

1. START-NO; STOP-NO push buttons.

2. START-NC; STOP-NC push buttons. 

(b) Write a ladder diagram for temperature measurement and control jig   

OR

Q.4 (a) Explain Timer and Counter instructions with timing diagram for PLC   

(b) Write a ladder diagram for a Bottle filling and Conveyor belt jig   

Q.5 (a) Enlist the types of I/O modules and draw the block diagram of I/O module

separately connected to the PLC. 

(b) Discuss importance of Local Area Networks for DCS   

OR

Q.5 (a) Discuss architecture-hierarchy of DCS at function levels   

(b) Explain roll of Common system components of SCADA   

 

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