phase clearance between phase to phase and earth

Answer Posted / hfgh

phase to phase- 26mm
phase to earth - 20mm

Is This Answer Correct ?    12 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

1464


why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

1475


what types of cable used in underground coal mining?

1062


What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

1036


how we can calculate chiller required ampear?

1598






what is the advantage of connecting capacitors in delta than in star?

1642


- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2239


What is maximum power transfer theorem?

651


what is the minimum voltage require to injure our body?

5681


What is the function of RCBO? What are the different sensitivity ratings & each application?

2147


What is expention fastener (Fan)

1561


What is the function of electron gun used in crt?

604


how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

1748


all interview questions with answers of ntpc (2000-2009

1778


can indirect loading be called as phantom loading?

1566