Is there devices to convert mechanical energy/rotational
energy into electrical energy.......?
PLease suggest me....
Answer Posted / ripul
piezoelectric crystals convert mechanical
energy(eg:pressure)to voltage..
| Is This Answer Correct ? | 16 Yes | 3 No |
Post New Answer View All Answers
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
how to calibrate corollaries (Mass flow meter)?
Capacitance, resistance ( colour coding ), parallel & series circuits.
how do u calibrate the vacuum transmitter if it shows more reading
what is the criteria to decide conductor size of a cable ?
What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller
How d.p. Transmitter can be applied to open tank?
Which language of programing is popular? how can i learn it ?
hello friends, can you please send me the model paper or question paper to be prepared for hpcl examinations????????? You can mail me at rahim_here@yahoo.com waiting for your reply........... help me .. plz.....
why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??
Tr. Wiring for calibration.
(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.
What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?
What is the difference between modbus,fieldbus & profibus
Explain the use of hair spring in the pressure gauge.