Engineering Interview Questions
Questions Answers Views Company eMail

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 4303

how 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 4977

what is electronics

Google, L&T, Rocket Media,

9 14088

how to convert MA in to measuring values..and how mwasuring values into MA ?..plz ansr.i have intervw

2126

If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

3 5090

Why attempration spray is used after hp heater?

CMJ Breweries Private Ltd., Thermax,

5 7886

what is the difference between grounding and earthing......how can we differentiate each other.....

Wipro,

2 4679

How RTCC panel is working and give single line diagram for RTCC with transformer?

AB Associates,

2636

1 sq mm conductor=? how many amps

3 7516

how to calculate power

3 6150

Why mostly the HV side of transformer has Delta?

2753

If 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

Indraprastha Gas Limited IGL,

2217

I'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

how current is reverse from its normal direction during the fault?

HGF,

1990

why pneumatic engine is not used now a days

1 5224


Un-Answered Questions { Engineering }

What is pneumatic system?

699


Is it possible to open flight door at high altitude?

786


What is the maximum and minimum rating of UPS?

1000


What is a fuse? How does it work? What are materials used?

1528


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

3088






Define What is the distance between railway tracks?

680


what is lube oil cons./hours in diesel engine ???

1048


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........

1480


CATIA:VARIATON IN SIZE AND PATTEREN

1511


Salient pole alternator is more stable, why?

2078


is built-in data-type are abstract data-types in java

1466


which software is better for design and analysis of buildings (stadd pro ) or (Etabs)

1834


How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.

1720


state the law of thermodynamics?

588


Explain the some guidelines for sizing a psv for a fire scenario on a vessel in a refinery service?

600