Roll No. ‘ ‘ ‘ ‘ ‘ ‘ | ‘ ‘ ‘ ‘ Total No. of Pages : 02
Total No. of Questions : 09
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B.Tech.(Textile Engg.) (2011 Onwards) (Sem.-3)
ELEMENTS OF INSTRUMENTATION AND CONTROL ENGINEERING
Subject Code : BTTE-305
M.Code : 71657
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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Q1. Answer briefly :
- Mention the significance of measurements.
- Compare Moving coil with Moving iron instruments.
- List the steps involved in obtaining the transfer function.
- Define peak overshoot and settling time.
- What is meant by balanced condition for Wheatstone bridge?
- Name the two types of electrical analogous for mechanical system.
- Give the advantages and disadvantages of open loop system.
- Give the properties of signal flow graph.
- What is transient response?
- Discuss basic characteristics of measuring devices.
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SECTION-B
Q2. Explain the difference between systematic and random errors. What are the typical sources of these two types of error?
Q3. Explain the working operation for PMMC & derive it's torque equation.
Q4. Discuss briefly the constructional details of a self-balancing potentiometer.
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Q5. Check the stability of the system whose characteristic equation is q(s) = 35+ 10s° + 552 + 55 + 2
Q6. Design an Ayrton shunt to provide an ammeter with current ranges of 1 A, 5 A and 10 A. A basic meter with an internal resistance of 50 Q and a full scale deflection current of 1 mA is to be used.
SECTION-C
Q7. Draw an equivalent signal flow graph for the block diagram shown in figure 1 and find the transfer function C(s)/R(s).
R(s)
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Q8. (a) Discuss basic characteristics of measuring devices.
(b) Define passive and active transducers and given an example of each.
Q9. Write short notes on the following :
(a) Mathematical Modelling of textile processing.
(b) Steady state error in the control system.
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech Question Papers 2020 March (All Branches)