APTRANSCO INTERVIEW QUESTIONS | APGENCO INTERVIEW QUESTIONS | APTRANSCO -APGENCO TECHNICAL QUESTIONS
Hi friends here are the some interview questions asked in aptransco and apgenco. .u may get an idea about the interiew process….prepare well for interview some times they may ask tough questions go deep in subject be confident while answering….all the best..
What is difference between VCB and MCCB
VCB is vacuum circuit breaker which is used in HT lines.
MCCB is mould case circuit breaker which is used in LT lines
up to 1000V
Which plant has high load factor
Nuclear power plant
In two wattmeter method we have W1, W2, V, and then how to find Q?
Which starter is used for synchronous motor?
1-: STAR -DELTA STARTOR
2-: COUPLING WITH INDUCTION MOTOR AND REMOVE THE MOTOR
AFTER GETING 80% TO 90% OF SYNCHRONOUS SPEED
3-: USING DAMPER BARS
What type of protection used below 132KV feeders?
Following protections are used for feeders below 132KV:
1) Over current protection (normal inverse and
2) Earth fault protection (Normal inverse curve),
3) Horm 4 protection (feeder protection),
Where the lighting arrester is should be placed in distributing lines?
Near distribution transformers and out going feeders of 11kv and incoming feeder of 33kv and near power transformers in sub-stations