Q.1
14 Marks(a)
Give the Laplace transform for the following: (1) (2) (3)
(b)
State and prove the final value theorem.
(c)
Solve the following by using Laplace transforms: ,
Gujarat Technological UniversityWinter 2024 examination
GTU 3150504 Instrumentation and Process Control Winter 2024 Question Paper & PDF
B.E. · Chemical Engineering · Semester 5 · Subject code 3150504
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
Define the following: (1) Gain (2) Transportation Lag (3) Time Constant
(b)
List the assumption made for derivation of transfer function of mercury thermometer and justify.
(c)
Derive the transfer function and step response of mixing process.
OR
(c)
A Storage tank contains a liquid which is pumped by a centrifugal pump at as steady rate. Liquid enters the tank at volumetric flow rate 200 Liter/hr and liquid level reaches steady-state value of 40 cm. If input flow rate is suddenly increased to 300 Liter/hr, Find level response and liquid level after 1 minutes by deriving transfer function and step response. (Cross section area of tank: 15 cm x 15 cm)
Q.3
14 Marks(a)
What are advantages and disadvantages of P-control? Give application of P-Control.
(b)
Discuss characteristics of underdamped step response for second order system.
(c)
Derive the transfer function of U tube manometer as second order system.
OR
(a)
Explain the following in control system: (1) Load Variable (2) Set Point (3) Control Variable
(b)
Differentiate between Feed-forward control and Feed-back control.
(c)
Derive the transfer function of two non-interacting tanks and discuss nature of response after compare with second order system.
Q.4
14 Marks(a)
What is controller? Explain its importance in close loop control system.
(b)
What are advantages and disadvantages of PI-control? Give application of PI-Control.
(c)
The characteristics equation of control system is given as following
Determine
1The value of K for which system is stable system using Routh test
2The value of K for which system is marginally stable
3The frequency of system for sustain oscillations
OR
(a)
Explain the working of cascade control system.
(b)
Differentiate between servo-type and regulator-type problem.
(c)
Explain the frequency response analysis of First order control system by bode diagram.
Q.5
14 Marks(a)
Discuss the advantages with application of DCS.
(b)
Explain the working principal and construction of Thermocouples.
(c)
Explain principle, construction and working of bubbler system.
OR
(a)
List the static and dynamic characteristics of Instruments.
(b)
List the various instrument used for Viscosity measurement and explain working of any one.
(c)
Explain principle, construction and working of pirani vacuum gauge.
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About this paper
Official Gujarat Technological University (GTU) examination paper for Instrumentation and Process Control (Winter 2024, B.E. · Chemical Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.