Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411005 3 IV ester(R07)Regular s, ember/ember POWER PLANT INSTRUMENTATION - Question Paper

Code :R7411005 3
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
POWER PLANT INSTRUMENTATION
(Electronics & Instrumentation Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks

1. discuss how power is generated in a thermal power plant.
2. define with a neat schematic, the 3 phase electrodynamometer power factor meter. Draw
the phasor diagram.
3. define with diagram, the principle and working of a smoke density meter.
4. define with a neat sketch the magnetic °oat kind mechanism employed in boiler feed water
control.
5. With the help of neat sketch discuss the principle and working of ¯re tube boiler?
6. discuss di®erent methods used to measure shell temperature.
7. discuss in detail the principle and working of orsat-°ue-gas analyzer.
8. define the principle and constructional details of °ame photometric and °ame ionization
detectors used in gas chromatography, with neat sketches.

Earning:   Approval pending.