1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?
NTDC,
1 4303how to calculate static pressure in a pipe line,when we know the DP(differential pressure) in the line, area of the pipe? please any one tell me the relation between them..?
2 4977how to convert MA in to measuring values..and how mwasuring values into MA ?..plz ansr.i have intervw
2126If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?
3 5090what is the difference between grounding and earthing......how can we differentiate each other.....
2 4679If anybody has placement papers for igl , plz send to me as soon my exam is on 12 Jan. My mail I'd is navjot.singh800@gmail.com
2217I'm preparing to to build a simple house, but i don't know how to calculate how much cement, gravel and sand and hollow blocks i need to prepare. How many pcs of 4" or 6" hollow blocks I need for my planned 3mx6m house? thanks.
2322
What is pneumatic system?
Is it possible to open flight door at high altitude?
What is the maximum and minimum rating of UPS?
What is a fuse? How does it work? What are materials used?
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
Define What is the distance between railway tracks?
what is lube oil cons./hours in diesel engine ???
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
CATIA:VARIATON IN SIZE AND PATTEREN
Salient pole alternator is more stable, why?
is built-in data-type are abstract data-types in java
which software is better for design and analysis of buildings (stadd pro ) or (Etabs)
How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
state the law of thermodynamics?
Explain the some guidelines for sizing a psv for a fire scenario on a vessel in a refinery service?