B.TechSemester 32023-24Electrical Measurements InstrumentationBEE302
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Electrical Measurements Instrumentation (BEE302) - AKTU Question Paper 2023-24

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Electrical Measurements Instrumentation Previous Year Question Paper for B.Tech Semester 3, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 3
Session:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Electrical Measurements Instrumentation (BEE302) — extracted question text · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 7 = 14
  • a
    Differentiate between ‘accur acy ‘and ‘precision’. 2 CO1
  • b
    What are the different types of errors in a measurement? 2 CO1
  • c
    What is creeping in energy meters? 2 CO2
  • d
    What conditions must be satisfied to make an ac bridge balanced? 2 CO3
  • e
    Define the Transformation rati o and nominal ratio for CT and PT. 2 CO4
  • f
    Differentiate between active and passive transducers 2 CO5
  • g
    Differentiate between primar y and secondary transducers. 2 CO5
Section BAttempt any three o f t h e f o l l o w i n g : 7 x 3 = 21
  • a
    Explain the principle, constr uction and operation of attract ion-type moving iron instruments with a n eat diagram. Derive the express ion of deflecting torque
  • b
    Explain the two-wattmeter met hod in three-phase power measur ement for a star-connected load. Discu ss how the method helps determi ne the power factor in a three-phase system
  • c
    Explain Owen’s bridge method for the measurement of unknown inductance. Derive the equation fo r balance and draw the phasor diagram
  • d
    A current transformer of turn s ratio 1:199 is rated as 1000/5, 25 VA. The core loss and magnetizing components of the primary current are 4A and 7A under rated conditions. Determine the phase angle and ratio errors for the rated burden and rated secondary current of 0.8 p.f lag ging. Neglect the resistance and leakage reactance of secondary winding
  • e
    Describe the construction and working of L.V.D.T with advant ages and disadvantages
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7
  • a
    Explain the construction and working of PMMC instruments. De rive the equation for deflection torque
  • b
    The solution for the unknown r esistance for a Wheatstone bridge is : Where R1 = 100 Ω ± 0.5%, R 2 = 1000 Ω ± 0.5% and R 3 = 800 Ω ± 0.5%. Determine the magnitude of the unknown resistance and the limiting error in percent and in ohm for the unknown resistance Rx
  • a
    Explain the construction and working of a single-phase electrodynamometer-type wattmeter. Also, de rive the expression of deflecting and controlling torque
  • b
    Explain the construction and working of a power factor meter . Also, explain its advantages and disadvantages
  • a
    Explain the working principl e of Kelvin’s double bridge for the measurement of unknown low resist ances. Explain how the effects o f contact resistance and resistance of leads are eliminated
  • b
    Explain the working principle of a Crompton’s dc potentiomet er with a suitable diagram
  • a
    With the help of suitable bloc k diagram explain different ty pes of wave analyzer and their applications
  • b
    Draw the equivalent circuit and phasor diagram of the curren t transformer. Derive the expression for ratio and phase angle
  • a
    Explain the principle, construction, and working of strain g auge transducer and formulate the ex pression for gauge factor in ter ms of Poisson’s ratio
  • b
    Explain the principle, construction, and working of the capa citive transducer with neat diagrams

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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