how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / prashant
strictly earth resistance must be zero
| Is This Answer Correct ? | 0 Yes | 7 No |
Post New Answer View All Answers
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor
If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
If rotor works in clock wise what happens
What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?
How many points does a Circuit can have?
What are motor generator sets and explain the different ways the motor generator set can be used ?
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
How to select a cable size for particular load?
which type of motor is used in automatic swing gate
What are the basic components of the feedback control system?
Lt motor sfu flashing reasons?
Why derating factor os applied on Cables?
Explain dc generator with its types?