Download AKTU B-Tech 4th Sem 2016-17 NEC403 Electronic Measurments And Instrumentation Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 4th Semester (Fourth Semester) 2016-17 NEC403 Electronic Measurments And Instrumentation Question Paper

Printed Pageszl RollN0.I I I I I I I I I I I NEC403
B. TECH.
THEORY EXAMINATION (SEM?IV) 2016-17
ELECTRONIC MEASURMENTS & INSTRUMENTATION
T ime : 3 Hours Max. Marks : 100
Note .' Be precise in your answer. In case ofnumericalproblem assume data wherever not provided.
SECTION ? A
1. Explain the following questions: 10 x 2 = 20
(a) Random Error and Gross Error
(b) Accuracy and Precision
(c) Dissipation and Quality Factor
(d) Rise time and Fall time
(e) Instrument calibration
(1) True value
(g) J ohnson and shot noise
(h) Multimeter
(i) Binder and Twisters
(j) Transducers and Inverse Transducers
SECTION ? B
2. Attempt any ?ve of the following questions: 5 x 10 = 50
(a) Explain the working of a source follower electronic voltmeter. Describe how the range
of this voltmeter can be extended. Explain the use of zero adjustment and calibration
resistors.
(b) Describe the different modes of operation of Piezo?electric transducers with suitable
diagram.
(c) Describe Kelvin double bridge in detail.
(d) Explain the construction of PMMC instrument. Mathematically prove that he scale of
such an instrument is linear.
(e) Explain construction and working of X ? Y recorder with suitable diagram.
(1) Explain the working procedure of Plotter with suitable diagram.
(g) How would you convert Ammeter into Voltmeter?
(h) Why is delay line used in vertical section of an oscilloscope? Explain it in detail.
SECTION ? C
Attempt any two of the following questions: 2 x 15 = 30
3. (a) How would you measure frequency using CRO?
(b) Explain Pulse Distortion and Attenuator Probe with suitable diagram.
4. Explain the working producer of the following:
(a) Q ? meter
(b) DC ammeter and Voltmeter
(c) Digital frequency meter system
5. Write short note with suitable example:
(a) D80 and its applications
(b) Capacitance and Inductance Bridges
(c) Dual Trace Oscilloscope and its application