Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem New 2180807 Industrial Automation Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2180807 Date:15/05/2019
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) Give the Introduction about CNC machine. 03
(b) Define following terms with respect to Process control:
(1) Offset (2) Variable Range (3) Neutral Zone (4) Control Lag
04
(c) Give Comparison of the terms SCADA, DCS, and PLC.
07
Q.2 (a) Block diagram of PLC. 03
(b) What is an Industrial Automation? Explain generalized automation,
production systems and their classification
04
(c) Draw a block diagram of a PLC showing the main functional items.
Explaining the functions of each block, also.
07
OR
(c) Define following Process Characteristics:
1. Process Equation 2. Process Load 3. Process Lag 4. Self-Regulation
07
Q.3 (a) Discuss briefly about Intelligent Controllers. 03
(b) What is ladder diagram? Explain the terminologies and its applications. 04
(c) Explain following discontinuous controller modes
(i)Two position mode (ii) Multi position mode
07
OR
Q.3 (a) Explain Application, Advantage and Disadvantage of Hydraulic system 03
(b) Discuss the characteristics and applications of PD controller. 04
(c) What is DCS? Draw a hierarchical DCS structure and explain function of
each level.
07
Q.4 (a) Define the following:
(1) Error (2) Dead Time (3) Cycling
03
(b) Explain importance of LAN for DCS 04
(c) A liquid-level control system linearly converts a displacement of 2 to 3 m
into a 4 to 20 mA control signal. A relay serves as the two-position controller
to open and close the inlet valve. The relay closes at 12 mA and opens at 10
mA. Find (a) the relation between displacement level and current, and (b)
the neutral zone or displacement gap in meters.
07
OR
Q.4 (a) Define : Self-Regulation. 03
(b) Discuss the characteristics and applications of Proportional control mode. 04
(c) What kind of automation would you recommend for manufacturing?
(Fixed/Flexible/Programmable): (1) Light bulbs (2) Garments (3) Textile (4)
Cement (5) Printing (6) Toys (7) Pharmaceuticals.
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2180807 Date:15/05/2019
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) Give the Introduction about CNC machine. 03
(b) Define following terms with respect to Process control:
(1) Offset (2) Variable Range (3) Neutral Zone (4) Control Lag
04
(c) Give Comparison of the terms SCADA, DCS, and PLC.
07
Q.2 (a) Block diagram of PLC. 03
(b) What is an Industrial Automation? Explain generalized automation,
production systems and their classification
04
(c) Draw a block diagram of a PLC showing the main functional items.
Explaining the functions of each block, also.
07
OR
(c) Define following Process Characteristics:
1. Process Equation 2. Process Load 3. Process Lag 4. Self-Regulation
07
Q.3 (a) Discuss briefly about Intelligent Controllers. 03
(b) What is ladder diagram? Explain the terminologies and its applications. 04
(c) Explain following discontinuous controller modes
(i)Two position mode (ii) Multi position mode
07
OR
Q.3 (a) Explain Application, Advantage and Disadvantage of Hydraulic system 03
(b) Discuss the characteristics and applications of PD controller. 04
(c) What is DCS? Draw a hierarchical DCS structure and explain function of
each level.
07
Q.4 (a) Define the following:
(1) Error (2) Dead Time (3) Cycling
03
(b) Explain importance of LAN for DCS 04
(c) A liquid-level control system linearly converts a displacement of 2 to 3 m
into a 4 to 20 mA control signal. A relay serves as the two-position controller
to open and close the inlet valve. The relay closes at 12 mA and opens at 10
mA. Find (a) the relation between displacement level and current, and (b)
the neutral zone or displacement gap in meters.
07
OR
Q.4 (a) Define : Self-Regulation. 03
(b) Discuss the characteristics and applications of Proportional control mode. 04
(c) What kind of automation would you recommend for manufacturing?
(Fixed/Flexible/Programmable): (1) Light bulbs (2) Garments (3) Textile (4)
Cement (5) Printing (6) Toys (7) Pharmaceuticals.
07
2
Q.5 (a) Explain the concept of Production system with its Block diagram. 03
(b) Explain Various types of Automation Techniques applied in Production
Systems with suitable example
04
(c) Explain common system components of SCADA. 07
OR
Q.5 (a) Explain Pneumatic control System. 03
(b) Explain supervisory digital control with suitable diagram. 04
(c) A controlling variable is a motor speed that varies from 800-1750 rpm. If
the speed is controlled by a 25 to 50v dc signal, calculate (1) the speed
produced by an input of 38v, (2) an input voltage require for speed 1446 rpm
and (3) the speed calculated as a percent of span.
07
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This post was last modified on 20 February 2020