| Other Electrical Engineering Interview Questions |
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| Question | Asked @ | Answers |
| |
| Give two basic sprrd control scheme of DC shunt motor. | | 1 |
| please explian how may types of maintenance works. | HP | 2 |
| what is the tolerance of electrical frequency for India?
it's .5% or 1%? | | 4 |
| what is difference between differential protection and
distance protection and how we calculate the sloop? | OPS | 2 |
| what is the frequency standard with tolerance level for India? | | 5 |
| what are the safety measure & controls in engine? | RRB | 1 |
| Why a starter is used for a motor? | L&T | 20 |
| wht do u mean by load in circuit.wht dp u mean by inductive
load
| SGS | 5 |
| what is meant by GOD in transmission system ? | Reliance | 2 |
| Upto what extent, the lagging power factor can be improved
with the help of capacitors? | | 2 |
| what is automatic voltage regulator and it is used? | | 9 |
| if AVR fails in alternator. what will be the effect. | HP | 4 |
| What is meant by regenerative braking? | | 1 |
| if the HR asked to me., you have got 92% in higher
secondary but got only 72% in engg whats the reason??what
should i have to say ..please help me.. | Wipro | 2 |
| The neutral to earth connection in my industry is showing a zero reading
(shorted). I have a machine which has to be installed where neutral to earth is
not shorted and shows a leak voltage <3 Volts. Please suggest me how it is
possible. | | 5 |
| For an 100kw generator, only 50kw of load is connected.
will the generator generate only 50kw or 100kw. if it
generate 100kw what happens to rest of the 50kw. what
happens if we connect more than 100kw of load?
| | 5 |
| There are 2 Flip_Flop with logic between them. Given Clock
to Q delay, logic prop. delay, set up and hold times specify
maximum clock frequency of system.
What happens if second output fed back to first input. Any
changes? What happens with timing if second output is fed
back to logic between the flops? Good Luck! | Qualcomm | 1 |
| Two 11 kv lines are feeding to common bus in a
substation,I have one set of CT & PT(3ct,2pt), How can I
measure both lines power using single set. | L&T | 4 |
| Can anyone tell me how a 12v battery is transformed to
20,000v at the spark plug | | 3 |
| Based on CPI/CGPA they shortlist the candidates & than
directly start Interview so there is no Written Exam or GD
Only PI.Interview held @ MNNIT , ALLAHABAD On-Campus on
6th,Aug, 2007 & the Questions asked to me by Interview Board
( 4 People) are from HR/SummerTraining/BTP/Subject-core,
POWER SYSTEM & MACHINE. time duration of I/V is about 15-20
Minutes.
HR-
Q.1 Name,hobbies & About family background ?
Q2.What u know abt NTPC ??
Q3.Why u want to choose NTPC as ur Carrier's starting i.e
power sector not any other Oragnisation or sector ??
Techincal Questions-
Q1.What is the reason for transformer Noise ??
Q2.Which material is used for making Transformer oil & How u
measure its dielectric strength & Name the test ?
Q.3 Which Machine u will prefer 2 use if flammble gases are
coming out at a place & why ??
Q4.What is relation b/w Transmission Lines & Communication
Lines ?
Q5.What is the maximum capacity Synchronus Machine & total
powerGeneration in our country ?
Q.6 In india Power generation is at 50Hz while in America
its 60 hz ,why so ?? Advantage or disadvantage ??
Q.7 Maximum Generation Voltage in india ?
Q8. What is the Voltage regulation & why its required n how
much is permissible ? & causes of voltage variation ??
Q.9 Why electric shock is feel ?? n in a Electric Train why
we didnt feel that ?
Q.10 Have u seen/ experience of any power plant/ industry
related to the power sector ?
so these are the questions which not too diffcult i
think was asked to me.
| NTPC | 1 |
| |
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