GTU BE 8th Semester 2180807 Industrial Automation Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?VIII (NEW) – EXAMINATION ? SUMMER 2018
Subject Code: 2180807 Date: 04/05/2018
Subject Name: Industrial Automation
Time: 10:30 AM to 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Define following terms with respect to Process control: (1) Variable Range (2) Neutral Zone (3) Control Lag
03
(b) Explain ladder diagram elements. 04
(c) What is automation? Explain generalized automation, production systems and their
classification.
07

Q.2 (a) Define the following: (1) Error (2) Dead Time (3) Cycling
03
(b) Explain discontinuous controller modes: Multi position mode. 04
(c) Explain various types of I/O Modules and Explain the Layout of I/O separately
connected to PLC
07
OR
(c) Explain roll of Common system components of SCADA. 07
Q.3 (a) Explain PI Controller application. 03
(b) Discuss briefly about Intelligent Controllers. 04
(c) Explain the block diagram of Distributed Control System (DCS). 07
OR
Q.3 (a) What is floating mode control? Explain Single speed floating mode control 03
(b) Discuss importance of Local Area Network for DCS. 04
(c) Develop ladder diagram for Traffic Control Signals. 07
Q.4 (a) Define : Self Regulation. 03
(b) Block diagram of PLC. 04
(c) Explain the Proportional Integral Derivative (PID) controller mode with suitable
example.
07
OR
Q.4 (a) Give the Introduction about CNC machine.. 03
(b) Explain Timer and Counter instructions for PLC. 04
(c) Explain Direct Digital Control in detail with suitable diagram. 07
Q.5 (a) Define following Process Characteristics:
1) Process Equation 2) Process Load 3) Process Lag
03
(b) Explain Pneumatic control System 04
(c) Develop ladder diagram for bottle filling conveyor belt. 07
OR
Q.5 (a) Explain Application, Advantage and Disadvantage of Hydraulic system 03
(b) Discuss relative merits & demerits of PLC & DCS. 04
(c) Explain Two position control Mode Action By: 1) Electromechanical Design 2)Analog Electronics Design 3) Digital electronics Design
07
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