B.E./B.Tech.
DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
2. How are the
absolute and relative errors expressed mathematically?
3. What are the
essential torques required for operating an instrument?
4. What is phase
meter? Mention the types of phase meter.
5. What is an
isolation amplifier? Where is it used?
6. State the
condition for balance in a Wheatstone bridge.
7. What are the
types of printers according to printing methodology?
8. What are the
main parts of the cathode ray tube?
9. Differentiate
sensor from transducer.
10. Draw the block diagram
for 4 bit Analog to Digital Converter.
Or
(b) (i) Draw and
explain the general block diagram of measurement
system.
(ii) Write a note
on different types of errors.
12. (a) Describe
the construction and working principle of single phase
induction type
energy meter. Write a short note on any two adjustments
required in energy
meters.
Or
(b) Explain with
neat sketch the classification of Instrument Transformers.
Write a note on the
errors affecting the characteristics of an Instrument
Transformer.
13. (a) With a neat
sketch describe a bridge to determine the unknown
inductance and a
bridge to determine the unknown capacitance.
Or
(b) Explain the
grounding techniques in detail to reduce the ground loop
interference
signal.
14. (a) Describe
the LED and LCD display devices.
Or
(b) Describe the
direct and frequency modulation magnetic tape recording
types. Give its
merits and demerits.
15. (a) What are
the selection criteria for the transducer? Explain the working
principle of LVDT
with neat sketch and characteristics. Give
advantages,
disadvantages and applications of LVDT.
Or
(b) What are the
performance parameters of Analog to Digital Converter?
Explain any two
basic A/D conversion techniques in detail.
2. How are the absolute and relative errors expressed mathematically?
3. What are the essential torques required for operating an instrument?
4. What is phase meter? Mention the types of phase meter.
5. What is an isolation amplifier? Where is it used?
6. State the condition for balance in a Wheatstone bridge.
7. What are the types of printers according to printing methodology?
8. What are the main parts of the cathode ray tube?
9. Differentiate sensor from transducer.
10. Draw the block diagram for 4 bit Analog to Digital Converter.
Or
(b) (i) Draw and explain the general block diagram of measurement
system.
(ii) Write a note on different types of errors.
12. (a) Describe the construction and working principle of single phase
induction type energy meter. Write a short note on any two adjustments
required in energy meters.
Or
(b) Explain with neat sketch the classification of Instrument Transformers.
Write a note on the errors affecting the characteristics of an Instrument
Transformer.
13. (a) With a neat sketch describe a bridge to determine the unknown
inductance and a bridge to determine the unknown capacitance.
Or
(b) Explain the grounding techniques in detail to reduce the ground loop
interference signal.
14. (a) Describe the LED and LCD display devices.
Or
(b) Describe the direct and frequency modulation magnetic tape recording
types. Give its merits and demerits.
15. (a) What are the selection criteria for the transducer? Explain the working
principle of LVDT with neat sketch and characteristics. Give
advantages, disadvantages and applications of LVDT.
Or
(b) What are the performance parameters of Analog to Digital Converter?
Explain any two basic A/D conversion techniques in detail.
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