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How will you size a pipe?. What is Darcy's formula?. From where you will get friction factor "f" ?. In darcy formula substitute f = 16/Re and now you see hf proportional to V instead of V square. How do you explain?.
2248What is Natural frequency of Vibration?. Imagine a circular disk of radius 'r' is oscillating inside a Semi circular ring of radius 'R', how will you find natural frquency of the system?.
2 14031What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?. What importance it is having related to Boiler?. Upto what presrure natural circulation is possible in Boilers?.
2494What is the difference bet ween EDO Type & MDO type ACBs, and what is the advantage EDO Type over than MDO type ACBs.
2 63312We have a 33/11kv switchyard having 12.5 MVA power transformer. We export & import power through this transformer. When we export power, the PF will be depend on GRID PF & when we import power the PF will be depend on our load PF. but the problem is that,when neither we export nor import but our 33KV vCB is in close position,our meter read the power factor 0.14 to 0.25 at that moment. So how can be we improve the power factor at that moment.
3 6493what happens if power factor is maintained at 0.9?give me the answer in technicall way rather than telling the penality n all
NCC,
5 10739what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
3482
can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know
Explain RAID and mirroring?
1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.
How RAL(Rotary air lock)works in cement industry?
Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in
What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.
what is the difference between rectifier and converter and commudator?
i want some quiz question on auto mobile can someone suggest any website for this
hi friends. what type of question they wil ask in technical and HR i m ECE student............
what is the job responsilties of Sr. engineer in QA/QC deptt.
Testing report of Earthing of 3.15 MVa PTR.
What do you understand by leds?
IF RPM OF PTO OF TRACTOR IS 540,torque at pto is 21kg/cm sq.& WE NEED IT TO 1800 RPM ,THROUGH GEAR ONLY FOR THAT WHAT WOULD BE ETHE GEAR STRUCTURE( I.E.NO TEETH OF BOTH GEAR ) IN ORDER TO GET 1800 RPM OUTPUT.
Define voltage controller?
What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?
