EE2201 - Measurement And Instrumentation ( M & I) Part B Expected Questions | EE 2201 Part B (16 MArks) Important Questions -www.iannauniversity.com ...

Unit - I  WWW.IANNAUNIVERSITY.COM

 1.(i)  What is standard? Explain the different types of standards? (8)

    (ii) Define and explain the types of static errors possible in an instrument (8) - EXPECTED

2. (i) For the given data, calculate 

a) Arithmetic mean 

b) Deviation of each value 

c) Algebraic sum of the deviations (6) 

X1 = 49.7, X2 = 50.1, X3 = 50.2, X4 = 49.6, X5 = 49.7 

 (ii) Explain in detail the types of static error.(7) 

 (iii) Give a note on dynamic characteristics.(3) - 

3.Discuss in detail the various static and dynamic characteristics of a measuring system. (16) - EXPECTED

4.Describe the functional elements of  an instrument with its block diagram. And  illustrate them with pressure gauge,  pressure thermometer and D’Arsonval  galvanometer (16) - EXPECTED

5. (i) Discuss in detail various types of errors associated in measurement and how 

these errors can be minimized?                                     (10) 

(ii) Define the following terms in the context of normal frequency distribution of data. (6) 

a) Mean value 

b) Deviation 

c) Average deviation 

d) Variance 

e) Standard deviation. - EXPECTED

Unit - II                  WWW.IANNAUNIVERSITY.COM

1. (i) Describe the construction and working of a permanent magnetic moving coil 

instruments.  (10) 

(ii) Explain the design of three phase wattmeter’s and give the reactive power 

measurement in 3 phase circuits.  (6) - EXPECTED

2.. (i) Sketch the circuit and waveforms for ac voltmeter using a PMMC instrument 

and half wave rectifier. Explain the circuit operation. (10) 

(ii) Develop the torque equation for a PMMC instrument and show its scale is 

linear. (6) - EXPECTED

3. (i) With a neat diagram explain the construction and working of 

electrodynamometer type instruments. Also derive its torque equation. (10) 

(ii) Explain with neat diagram the working of linear ramp type DVM. (6) - EXPECTED

4.(i) Explain the different methods of determination of B â€"H curve                    (8) 

(ii) With a neat block diagram explain the working principle of digital frequency 

meter.(8) - EXPECTED

Unit - III

1. (i) Explain Kelvin’s double bridge method for the measurement of low resistance.  (8) 

(ii) Explain how inductance is measured by using Maxwell’s bridge. (8) - EXPECTED

2.i) Explain the working principle of Anderson’s bridge and also derive its balance 

equations. (8) 

(ii) Explain the working principle of Schering Bridge and also  derive its balance 

equations. (8) - EXPECTED

3.(i) Describe about the multiple earth and earth loops.(10) 

(ii) Explain the different techniques of grounding.(6) - EXPECTED

4.(i) Explain in detail about the laboratory type DC potentiometer (10) 

(ii) Give the applications of AC potentiometers. (6) 

Unit - IV

1.(i) Describe the basic components of a CRT.(10) 

(ii) Write short notes on liquid crystal displays.  (6)

2.(i) Give the basic block diagram of a digital data recording system          (8) 

(ii) Explain with a neat sketch 

a) Dot matrix displays 

b) Bar graph displays   (8) - EXPECTED WWW.IANNAUNIVERSITY.COM

3. (i) Explain the basic elements of a magnetic tape recorder.  (8) 

(ii) Explain the block diagram of oscilloscope with a neat sketch (8) 

4.(i) With a neat block diagram, explain the working of digital storage oscilloscope. (8)  

(ii) Discuss briefly about the applications of LED. (8)- EXPETED

Unit - V

1.(i) Explain the binary weighted resistor technique of D/A conversion. (8) 

(ii) Define the following terms for D/A converters: 

a) Resolution b) Accuracy  c) Monotonicity and d) conversion time (8) - EXPECTED

2.(i) Explain the construction and working of LVDT with a neat sketch    (8)  

. (i) Explain schematic block diagram of a general data acquisition system (DAS) 

and give its objectives   (8) 

3.(i) Discuss R-2R ladder type D/A converter(6)

(ii) Explain the successive approximation type ADC. (8) - EXPECTED

4. Explain the various types of ADC with suitable sketches.         (16)

ALL THE BEST !!!

By

R.Anirudhan

Anirudh Author on Google+