Engineering Interview Questions
Questions Answers Views Company eMail

Where earth point should provided in Ships or Submirines.

SSC,

2 2842

How to calculate the cable size (XLPE)for suitable to 120KW load (if Motor or heaters etc)

SSC,

4 10222

What are the protections used in a HT breaker to protect the HT motors.

2 15998




How the cable size for a motor is decided

NTPC,

14 22604

one kva is equal to how much amps?

14 46677

An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

Reliance,

1 3509

WHAT WILL BE THE SPEED OF MOTOR IF NO.OF POLES ON STATOR ARE NOT EQUAL TO NO. OF POLES ON ROTOR.???

4 4550

which protection are used for turbo generator in thermal power plant.

Grasim,

1 5526

How can we get a Neutral from a three phase suply? If we meet all three phases at a point to take neutral then why dont thay get sparked?

1 3607

WHAT IS RESISTOR?

8 5611

How can we increase the capacity of Energy.?

943

How does a battary stores charge in it? please explain in simple manner and in detail.thanks

856

explain comutator action in detail.thanks

853

how to calculate power factor rating according to load? please give the answer in simple language, i'm not electrical side

2 2978

pls send my id for supervisor model paper qustion

Bhel,

983







Un-Answered Questions { Engineering }

The main disadvantage of sliding mesh type of gear box is a) High noise level b) Low mechanical efficiency c) High skill required by the driver d) all of the above

159


all interview questions with answers of ntpc (2000-2009

1034


how can you size an automatic voltage regulator?

1136


The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

2433


indian standard split spoon sampler

785






What is the remedy if due exchanging, valve broke out during engine running operation?

778


How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

571


1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

690


safety valve calculation?

1147


How to create a Button use visual basic in Excell 2007 and how to hyperlink the button ?

973


how clculate excavated or backfilling quantity by simpson's rule

3941


What are RC and L/R time constants? What is their significance?

704


How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

863


I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

943


friends help me..am a btech fresher.. wt is the eligibility criteria for TCS???? like %...repli me clearly from x onwards..

888