Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem New 2151402 Food Process Instrumentation And Control Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2151402 Date: 04/12/2019
Subject Name: Food Process Instrumentation & Control
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) (i) Write short notes on followings;
1. Significance of specific gravity measurement.
2. Different types of flow.
3. Partially immersed thermometer
03
(b) Discuss the working of Efflux viscometer with diagram. 04
(c) Discuss the working of following instrument;
1. Vapour pressure thermometer
2. Constant volume thermometer
07
Q.2 (a) Draw only neat diagram of the followings
1. Magnetic Flow meter
2. Target flow meter
03
(b) Explain different types of flow. Describe the working of Rotameter. 04
(c) What do you understand by direct and indirect method of liquid level
measurement? Discuss float gauge and purge method in detail with diagram.
07
OR
(c) A McLeod gauge has volume of bulb, capillary and tube down to its opening
equal to 95cm
3
and a capillary diameter of 1.5mm. Calculate the pressure
indicated by a reading of 5cm.
07
Q.3 (a) Justify with facts that why platinum is used in RTD. 03
(b) Describe the working of LVDT type hydrometer with diagram. 04
(c) Discuss resistance strain gauge. Show with diagram about balance and
unbalance bridge.
07
OR
Q.3 (a) (i) Explain the working principle of bimetallic strip with detailed diagram. 03
(b) (ii) Draw the diagram of different elements used in pressure measurement.
Discuss inclined manometer with diagram.
04
(c) Discuss the See Beck and Peltier effect. Explain the laws of thermocouple
with diagram.
07
Q.4 (a) Define the following terms:
1. Sensitivity drift
2. Range
3. Span
03
(b) Explain Feedback control loop in detail. 04
(c) Solve the following IVP.
2y??+3y??2y=te
?2t
,where y(0)=0, y?(0)=?2
07
OR
Q.4 (a) Define the terms:
1. Error
2. Resolution
3. Sensitivity
03
FirstRanker.com - FirstRanker's Choice
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2151402 Date: 04/12/2019
Subject Name: Food Process Instrumentation & Control
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) (i) Write short notes on followings;
1. Significance of specific gravity measurement.
2. Different types of flow.
3. Partially immersed thermometer
03
(b) Discuss the working of Efflux viscometer with diagram. 04
(c) Discuss the working of following instrument;
1. Vapour pressure thermometer
2. Constant volume thermometer
07
Q.2 (a) Draw only neat diagram of the followings
1. Magnetic Flow meter
2. Target flow meter
03
(b) Explain different types of flow. Describe the working of Rotameter. 04
(c) What do you understand by direct and indirect method of liquid level
measurement? Discuss float gauge and purge method in detail with diagram.
07
OR
(c) A McLeod gauge has volume of bulb, capillary and tube down to its opening
equal to 95cm
3
and a capillary diameter of 1.5mm. Calculate the pressure
indicated by a reading of 5cm.
07
Q.3 (a) Justify with facts that why platinum is used in RTD. 03
(b) Describe the working of LVDT type hydrometer with diagram. 04
(c) Discuss resistance strain gauge. Show with diagram about balance and
unbalance bridge.
07
OR
Q.3 (a) (i) Explain the working principle of bimetallic strip with detailed diagram. 03
(b) (ii) Draw the diagram of different elements used in pressure measurement.
Discuss inclined manometer with diagram.
04
(c) Discuss the See Beck and Peltier effect. Explain the laws of thermocouple
with diagram.
07
Q.4 (a) Define the following terms:
1. Sensitivity drift
2. Range
3. Span
03
(b) Explain Feedback control loop in detail. 04
(c) Solve the following IVP.
2y??+3y??2y=te
?2t
,where y(0)=0, y?(0)=?2
07
OR
Q.4 (a) Define the terms:
1. Error
2. Resolution
3. Sensitivity
03
2
4. Hysteresis
(b) Draw ratio control loop for a reactor having two reactant and the proportion
of both is to be maintained 1:3.
04
(c) Explain step by step approach of drawing Bode diagram by taking any one
example.
07
Q.5 (a) What is a transfer function? Explain the term in detail by taking any one
system as an example.
03
(b) Write a short note on cascade control loop by taking one example. 04
(c) Explain the system of two interacting tanks in detail with transfer function. 07
OR
Q.5 (a) Define Laplace transform of function f(t). What would be the Laplace of
d
2
x/dt
2
?
03
(b) Find Laplace transform of f(t)= cos kt*u(t) , t>0, Where, u(t) is a unit step
function
04
(c) What are the importance of temperature measurement in food industry. Find
transfer function for mercury in glass thermometer system.
07
*************
FirstRanker.com - FirstRanker's Choice
This post was last modified on 20 February 2020