Piezoelectric materials serve as a source of:-
A. Microwaves B. Ultrasonic waves
C. Musical waves D. Resonant waves
Answer Posted / r_mujalde
Resonant waves
| Is This Answer Correct ? | 6 Yes | 2 No |
Post New Answer View All Answers
what is the ground fault relay,which purpose it will be use,clearly tell me plz
Why efficiency of generator is higher than motor at a particular load?
what is the solution for meger test failed the MV cable?
hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com
In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above
What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?
i want some interview related questions with their answers which can help for attend the interviews...
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
what is the excess air in furnace
What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com
What are the uses of lead compensator?
Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
What do you understand by oldham's coupling ?
Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?
Why the standard of ambient teperature mentioned as 40 degree celcius in machines.