Download GTU BE/B.Tech 2019 Winter 6th Sem New 2162303 Plastic Process Instrumentation And Process Control Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 6th Sem New 2162303 Plastic Process Instrumentation And Process Control Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VI (New) EXAMINATION ? WINTER 2019
Subject Code: 2162303 Date: 04/12/2019

Subject Name: Plastic Process Instrumentation and Process Control

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS

Q.1 (a) 1.Calibration is the process of _________by______ of the
correct value of each scale reading on a meter.
2. The average deviation is an ___________ of the instruments.
3.Define: Precision

03
(b) Explain basic elements of closed loop system. 04
(c) Explain Radiation pyrometer with neat sketch. 07

Q.2 (a) Explain open loop control system with neat diagram. 03
(b) Explain Seeback effect & thermocouple. 04
(c) With the neat sketch and brief explain contact and noncontact
method of temperature measurement
07
OR
(c) Explain different types of Manometers 07
Q.3 (a) Explain thermistors 03
(b) Write a short note on static characteristics. 04
(c) Explain construction, working, advantages & disadvantages of
LVDT.
07
OR
Q.3 (a) List different types of pressure transducers. 03
(b) Explain sources of error. 04
(c) Explain diaphragm pressure transducers with neat diagram. 07
Q.4 (a) Explain C type bourdon tube transducer. 03
(b) Explain derivative controllers. 04
(c) Explain Capacitive type pressure transducer 07
OR
Q.4 (a) Describe piezoelectric pressure transducer. 03
(b) Explain open loop transfer function 04
(c) Explain Strain gauge pressure transducers with neat diagram. 07
Q.5 (a) Explain CASCADE control system. 03
(b) Explain closed loop transfer function. 04
(c) Describe the advantages and disadvantages of filled system
thermometer with neat sketch.
07
OR

Q.5 (a) Define Range, Dead zone & Accuracy. 03
(b) Define Calibration & explain general steps to perform it. 04
(c) Explain the total injection molding process control. 07

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