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

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Engineering Interview Questions

Questions Answers Views Company eMail

What is the purpose of earthing Truck ? How does it work for busbar and cables?

1 16365

how beam.coloum ,slab, footing are designed as per indian code.. detail procedure?

2609

If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1901

what is the difference between thyristor & IGBT?

2 12408

What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

DLF,

2 8187

if the refrigeration door is kept open in a room what would happen in room temperature?

Emerson, L&T,

19 29977

how the arcing is made in ac electric arc furnace? ( between the three electrodes in any sequences or between the electrode & the charge(steel))

1 4700

what's the formula for calculate pcc for matt(45mm aggregate)?

L&T,

2746

What is Phasing out test?

1 25750

Why we have short circuit the secondary of the transformer

1 4455

what is high voltage in india?

Essar,

11 17015

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?

1869

The building has 12 columns of 12x9 in 3 rows of 4 each in a plot of 50'x30', The central row is strengthened with 16mm twisted rods. The roof area is 1500 sft including balconies. calculate the load factor per sft. Also indicate the number of roofs the building can withstand.

2734

explain kn/sqm in detail.

3 8814

define prestressing? compare prestressing with post tensioning?

2 7402

Un-Answered Questions { Engineering }

Explain the operation of 3φ bridge inverter for 1200 degree mode of operation with aid of relevant phase and line voltage waveforms?

1032

Do you know what is topstitched seam?

Explain we take the area of collector wide comparison to base and emitter. Why?

1130

Define super node?

1221

For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)

2339

Explain cmrr?

1134

What would happen if you drilled through the Earth all the way to the other side and then jumped into the hole?

1123

hi...i had completed B.E.in Electronics & Communication.i had applied Section Engineer in railway recruit ment 2012.I need previous year exam papers.

2102

In reclamation works what are the importance of geotextiles and sand?

1154

Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

1820

I have got one problem .I initially have got windows vista in my computer but now I installed linux UBUNTU operating system into my computer .For this i first format D: drive and got installed finely there and restart , when it boots there there were two options vista and ubuntu .But the problem is that when i choose vista it opens but screen seems to be dark only mouse pointer sees in the screen and no more windows appeared . But when i choose ubuntu it opens and asks for username and password .But i don't know these things. But linux is freeopen software , why it asks userename and password ? Now i am unable to use my computer ,i installed lunux without partioning the drive. Plz give me the solution The computer configuration of my computer is 80 GB harddisk, 1 GB RAM.3GHz speed.

1908

Differences between Java and C++? which is faster?

2140

What is meant by fermi level in semiconductor? Where does the fermi level lie in an intrinsic semiconductor?

1134

Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

1873

How to calculate capacitor bank size at a load 800kVA.

1717

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