Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2160407 Instrumentation And Control For Bioengineering Previous Question Paper
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2160407 Date:16/05/2019
Subject Name:Instrumentation and Control for Bioengineering
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)
Derive response equation for step change in case of first order system.
03
(b) Discuss the concept of transfer function. 04
(c) Define: a. Sensitivity b. Hysteresis c. Measuring lag d. Static Error
e. Dynamic Error f. Reproducibility g. Repeatability
07
Q.2 (a)
Derive the transfer function for none inter acting multi capacity system.
07
(b) Solve the following differential equation by Laplace transform
?? 3
?? ????
3
+ 2
?? 2
?? ????
2
?
????
????
? 2?? = 4 + ?? 2?? ?? (0) = 1 ?? ?
(0) = 0 ?? ??
(0) = ?1
07
OR
(b)
Derive the transfer function of Mercury thermometer with suitable assumptions.
07
Q.3 (a) Explain feedback system with suitable example. 03
(b)
Explain advantages and disadvantages of higher gain K C.
04
(c)
The transfer function of the second order control system is given as,
?? (?? ) =
16
1.5?? 2
+ 2.4?? + 6
A step change of magnitude 5 is given in the input variable. Determine,
1) Overshoot 2) Rise time 3) Period of oscillation
4) Maximum value of response
07
OR
Q.3 (a) Define damping parameter and give its significance 03
(b) Derive the transfer function of mixing process. 04
(c) Find C/R for the given control system
07
Q.4 (a) Determine the value of Kc for which the system is stable also find the pair
of roots for which the system is just unstable
?? (?? ) =
?? ?? (?? + 1)(
?? 2
+ 1) (
?? 3
+ 1)
07
(b)
The open loop transfer function of a control system is given as,
?? (?? ) =
?? ?? (0.5?? + 1)
?? (?? + 1)(?? + 0.5)
Sketch the root locus diagram of the control system. Indicate open loop poles
and zeros, breakaway point, asymptotic lines, the direction in which the loci
travel.
07
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2160407 Date:16/05/2019
Subject Name:Instrumentation and Control for Bioengineering
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)
Derive response equation for step change in case of first order system.
03
(b) Discuss the concept of transfer function. 04
(c) Define: a. Sensitivity b. Hysteresis c. Measuring lag d. Static Error
e. Dynamic Error f. Reproducibility g. Repeatability
07
Q.2 (a)
Derive the transfer function for none inter acting multi capacity system.
07
(b) Solve the following differential equation by Laplace transform
?? 3
?? ????
3
+ 2
?? 2
?? ????
2
?
????
????
? 2?? = 4 + ?? 2?? ?? (0) = 1 ?? ?
(0) = 0 ?? ??
(0) = ?1
07
OR
(b)
Derive the transfer function of Mercury thermometer with suitable assumptions.
07
Q.3 (a) Explain feedback system with suitable example. 03
(b)
Explain advantages and disadvantages of higher gain K C.
04
(c)
The transfer function of the second order control system is given as,
?? (?? ) =
16
1.5?? 2
+ 2.4?? + 6
A step change of magnitude 5 is given in the input variable. Determine,
1) Overshoot 2) Rise time 3) Period of oscillation
4) Maximum value of response
07
OR
Q.3 (a) Define damping parameter and give its significance 03
(b) Derive the transfer function of mixing process. 04
(c) Find C/R for the given control system
07
Q.4 (a) Determine the value of Kc for which the system is stable also find the pair
of roots for which the system is just unstable
?? (?? ) =
?? ?? (?? + 1)(
?? 2
+ 1) (
?? 3
+ 1)
07
(b)
The open loop transfer function of a control system is given as,
?? (?? ) =
?? ?? (0.5?? + 1)
?? (?? + 1)(?? + 0.5)
Sketch the root locus diagram of the control system. Indicate open loop poles
and zeros, breakaway point, asymptotic lines, the direction in which the loci
travel.
07
OR
Q.4 (a)
Discuss the transfer function for P, PI and PID controller and its merits and
demerits.
07
(b)
Sketch the Bode diagram for a system having transfer function
?? (?? ) =
?? ?? (10?? + 1)(0.5?? + 1)
07
Q.5 (a)
How is the gauge pressure and absolute pressure measured by liquid
manometer?
03
(b) Explain the principle of variable head meter for flow measurement with
suitable example.
04
(c) Explain principle, construction and derive flow equation of venturi meter
with neat sketch.
07
Q.5 (a)
Describe various viscosity measurement methods
03
(b)
Explain bubbler system for liquid level measurement.
04
(c) Write a note on Bellows differential pressure element with neat sketch. 07
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This post was last modified on 20 February 2020