PTU B.Tech Automation Robotics Engineering ECE 5th Semester May 2019 70478 ELECTRONICS MEASUREMENT AND INSTRUMENTATION Question Papers

FirstRanker.com

Roll No. HNEEEEEEEEE Total No. of Pages : 02
Total No. of Questions : 09

--- Content provided by⁠ FirstRanker.com ---

--- Content provided by‍ FirstRanker.com ---

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

--- Content provided by​ FirstRanker.com ---

Q1 Answer briefly :

1. What do you mean by resolution? Explain.
2. What is loading? Explain.
3. List the general specifications of a DVM.
4. List the advantages of Kelvin double bridge.

--- Content provided by FirstRanker.com ---

5. Discuss the principle of galvanometer.
6. Why is Hay's bridge suited for measurement of inductance of high Q coils? Explain.
7. What is the need of spectrum analyzer? Discuss.
8. List the advantages of digital tape recorders.
9. What is seeback effect? Explain.

--- Content provided by FirstRanker.com ---

10. What is the need of telemetry system? Discuss.

SECTION-B

2. Define the following :

1. Accuracy
2. Precision

--- Content provided by⁠ FirstRanker.com ---

3. Sensitivity
4. Linearity
5. Hysteresis

3. Explain how the following measurements can be made with the use of a CRO ?

1. Frequency

--- Content provided by​ FirstRanker.com ---

2. Voltage

4. Explain the term “Total Harmonic Distortion”. Describe the functioning of a total harmonic distortion analyzer.

5. Explain the construction and principle of working of a linear variable differential transformer (L.V.D.T).

6. Describe the different methods of data transmission. Explain the block diagram of a general telemetry system.

SECTION-C

--- Content provided by‌ FirstRanker.com ---

7. Explain the working of (i) attraction type and (ii) repulsion type of moving iron instruments with the help of neat diagrams. Describe the methods of producing controlling and damping-torques in them. Explain why these meters can be used on both a.c and d.c?

8. a) Explain the functioning of a ramp type digital voltmeter.

b) Explain the construction and working nixie tube.

9 Discuss the following :

1. Data Acquisition systems

--- Content provided by​ FirstRanker.com ---

2. Error and its classification

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.