Answer Posted / chandrasen mourya
If it is directly exposed to air it will become pink &
hence cannot be used. Its purpose is only to allow the air
trapped in the tank to be released thrg it.
Is This Answer Correct ? | 2 Yes | 11 No |
Post New Answer View All Answers
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
What do you mean by phasors?
How out of step protection relay works?
How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......
What is the use of oil in transformers?
i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....
what about GD square and its important for motor design?
How shall i select the value of capacitor or inductor in a system?
any idea abt REVERSE METERING concept.........?
Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?
is it true there's a big difference in using Cummins or Denyo...especially power output or leakage
How does the phase sequence controller works, how it identifies the phases? confirm working principle
Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
How to measure current and voltage in an ELV circuit