Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Satellite Systems Engineering (106)
Engineering AllOther (1379)

Engineering Interview Questions

Questions Answers Views Company eMail

What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

Welspun,

2988

whats happen if we disconnect the NGR of alternator in running condition?. Generally we observed that transformer netrul is directly grounded but alternator connected with NGR, then ground?

1 4629

) why transformer cannot rotate though the principle behind induction motor is similar to a transformer

3 7494

How to connect PLC to DCS ?

Alkyl Amines,

2 10238

HOW TO MIX M20 GRADE CONCRETE BY HAND? USING BOND.

1 7046

What happens if 25 Hz frequency is applied for 400/200,50 Hz single phase Transformer.Will Voltage increase ?

Bhel, Dawlance, IBM,

2 11542

difference between trapezoidal and pedestal footing and how the load acts on that

Golden Construction,

2909

what is the working process of over & under voltage relay.

NTPC,

2230

what is power factor ?

3 5542

some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

1770

The transformer which is smallest in size is and how to calculate that? The options are 100 KVA, 50 Hz 100 KVa, 100 Hz 100 KVA, 25 Hz 50KVA, 25 HZ

Ranbaxy, Zee Laboratories,

4 15418

HI IN A MICROWAVE HOP THERE IS A SITE EXAMPLE(A &B).......IN A SIDE I AM GETTING RECEIVING LEVEL 45 AND B SIDE I AM GETTING 55 ...WHAT WIL BE THE PROBLEM..... SUCH QUESTION ASK FROM HUAWEI........THEY TOLD NO RADIO PROBLEM,NO LOS,NO FEEDON PROBLEM.I NEED A EXACT ANSWER......

Huawei, Rembam Telecom,

2 7587

Does voltage and current can be seperated?

2 5157

What is the construction cost per sq foot for residential building and give bifurcation of same?

1 7263

what is the difference between isdn and idn?

Sony,

8542

Un-Answered Questions { Engineering }

what is ISDN 1:2or 1:8 ? what is bandwidth allocation? how to the design small network with 4 router?

2108

State kirchoff current law?

1093

What Is cold working of metals? Give some of its principal methods.

1097

What are the different types of modulus involved in mechanics?

1275

a simple c++ program to calculate simple interst with its data members as private

1879

what is a power factor?

1818

What is meant by laminar flow ?

1159

Explain what is pattern markings?

What are the disadvantages of axial flow (piston type) automatic control valve compared to the conventional types (globe or diaphragm) If you are a designer/specifier, do you accept this type of valve for using in building's piping systems ?

2211

What are advantages using hollow shaft impeller?

3928

generally how much percentage is required to sit in exam of PSU'S for mechanical engg. candidate (general category)

2888

What is meant by reset level of the relay?

1215

what is Short bored pile foundation.

2738

Who discovered non-newtonian fluids?

1122

What is a liquid flooding in refrigeration system?

2323

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