Exam Details
| Subject | industrial instrumentation | |
| Paper | ||
| Exam / Course | pddc | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | May, 2017 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER VII- EXAMINATION SUMMER 2017
Subject Code:X70903 Date: 03/05/2017
Subject Name: Industrial Instrumentation
Time: 02.30PM to 05.00PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
What are transducers? Explain advantages of electrical transducers and give the classification of transducer.
07
What is Piezoresistive effect? Define gauge factor. Derive an expression of gauge factor for Strain gauge in terms of Poisson's ratio.
07
Q.2
What is Piezoelectric transducer? Give its equivalent circuit. Derive an expression for the output voltage by making suitable simplifying assumptions.
07
Differentiate between following
Active and Passive transducers
Primary and Secondary transducer
07
OR
Why temperature compensation in strain gauge circuit is required? Explain any one method in detail.
07
Q.3
Explain working principle and use of Capacitive type transducer for displacement.
07
What is Piezoelectric transducer? Give its equivalent circuit. Derive an expression for the output voltage by making suitable simplifying assumptions.
07
OR
Q.3
Explain the construction and working principle of LVDT. Also explain performance characteristic of it.
07
Hall effect transducer: Principle and its applications.
07
Q.4
Explain construction and working principle of RTD. Also explain factors to be considered during the selection of materials for RTD.
07
Explain how rotameter can measure the liquid flow? Also state its advantages and disadvantages.
07
OR
Q.4
Explain the construction and working of Thermocouple. Describe the various types of compensations employed.
07
Explain working of Ultrasonic flow meter.
07
Q.5
Explain how Pirani pressure gauge measures the vacuum pressure.
07
Explain construction and working of X-Y recorder Also state its applications.
07
OR
Q.5
Explain McLeod Gauge for pressure measurement with necessary.
07
State different methods for torque measurement. Explain any one in detail.
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER VII- EXAMINATION SUMMER 2017
Subject Code:X70903 Date: 03/05/2017
Subject Name: Industrial Instrumentation
Time: 02.30PM to 05.00PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
What are transducers? Explain advantages of electrical transducers and give the classification of transducer.
07
What is Piezoresistive effect? Define gauge factor. Derive an expression of gauge factor for Strain gauge in terms of Poisson's ratio.
07
Q.2
What is Piezoelectric transducer? Give its equivalent circuit. Derive an expression for the output voltage by making suitable simplifying assumptions.
07
Differentiate between following
Active and Passive transducers
Primary and Secondary transducer
07
OR
Why temperature compensation in strain gauge circuit is required? Explain any one method in detail.
07
Q.3
Explain working principle and use of Capacitive type transducer for displacement.
07
What is Piezoelectric transducer? Give its equivalent circuit. Derive an expression for the output voltage by making suitable simplifying assumptions.
07
OR
Q.3
Explain the construction and working principle of LVDT. Also explain performance characteristic of it.
07
Hall effect transducer: Principle and its applications.
07
Q.4
Explain construction and working principle of RTD. Also explain factors to be considered during the selection of materials for RTD.
07
Explain how rotameter can measure the liquid flow? Also state its advantages and disadvantages.
07
OR
Q.4
Explain the construction and working of Thermocouple. Describe the various types of compensations employed.
07
Explain working of Ultrasonic flow meter.
07
Q.5
Explain how Pirani pressure gauge measures the vacuum pressure.
07
Explain construction and working of X-Y recorder Also state its applications.
07
OR
Q.5
Explain McLeod Gauge for pressure measurement with necessary.
07
State different methods for torque measurement. Explain any one in detail.
07
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- electrical engineering
- electrical machine design i and ii
- electrical machine-iii
- electrical machines & electronics
- electrical machines i & ii
- electrical power
- electromagnetics theory
- electronic communication
- elements of electrical design
- elements of electrical engineering
- elements of mechanical and structural
- embedded system
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- engineering geology
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- fluid mechanics
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