Electrical Measurements Instrumentation (KEE302) - AKTU Question Paper 2024-25
B.Tech · Semester 4 · Free PDF Download
This is the official AKTU Electrical Measurements Instrumentation Previous Year Question Paper for B.Tech Semester 4, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:B.Tech
Semester:Semester 4
Session:2024-25
University:AKTU / UPTU
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Questions Asked in 2024-25
Electrical Measurements Instrumentation (KEE302) — extracted question text · 100 marks · 3 Hours
Section AAttempt all questions in brief. 2 x 10 = 20
- aDifferentiate between indicati ng and integrating instruments. CO
- bWhat are systematic and random e rrors? Give one example of each. CO
- cWhat is the purpose of a Megge r in electrical measurements? CO
- dWhat is the principle of an AC bridge? CO
- eDefine transformation ratio in instrument transformers. CO
- fDefine the burden of an instrument transformer. CO
- gDefine the working principle of a multimeter. CO
- hDraw the basic circuit of a digital counter. CO4 K2 i. Define gauge factor in strain gauges. CO5 K2 j. Define smart sensors and give one example. CO
Section BAttempt any three of the following: 10 x 3 = 30
- aExplain the classification of measuring instruments with exa mples and their working principles
- bExplain the various methods use d for measuring medium resistances. CO
- cDescribe the working and applications of a potential transfo rmer with phasor diagrams
- dExplain the working principle, construction, and application s of a digital voltmeter
- eWhat is an electrical transducer? What are the basic require ments of a transducer? Give the classification of a transducer
Section CAttempt any one part of the following: 10 x 1 = 10
- aWhat is the error of an inst rument? Discuss various types of Errors in measurement
- bSketch the basic construction of a typical PMMC instrument & show how a PMMC instrument can be use d as a DC voltmeter, and explai n the circuit operation in detail
- aExplain Maxwell’s bridge method for inductance measurement w ith a neat circuit diagram
- bExplain the working principle of Kelvin’s double bridge for the measurement of unknown low resistances
- aExplain the different methods used for testing current transformers. CO
- bThe exciting current of a ring core current transformer of ratio 1000/5A when operating at full primary current and with a secondary bur den of non-inductive resistance of 1ohm is 1A at a power factor of 0.4, Calculate the phase displacemen t between primary and secondary winding currents and The ratio error at full load assuming that there has been no compensation
- aDiscuss the working of a digit al frequency meter and explain how it measures frequency accurately
- bExplain the function and operation of a wave analyzer and it s role in signal analysis
- aA resistance strain gauge with a gauge factor 2 is fastened to a steel member subjected to a stress of 100 N/mm
- 2The modulus of elasticity of steel is approximately 200 GN/m2. Calculate the percentage change in the value of the gauge resistance due to the applied stress
- bDiscuss the working of thermistors and thermocouples and com pare their advantages and disadvantages
Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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