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

who is invented transforner (230v).......

2 4859

How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side

1 3730

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

2208

We have A bearing and we Have its in size and Out size Width So how can we Imagine its code No ? if we wanna buy from Market . plz tell me Way thanks

1 4037

why the all high voltage transformers are in 11kv , 33kv , 66kv, 132kv like that

Bhel,

2 7466

what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

2097

Why we does earthing for transformer neutral point

amps, DLF,

5 12174

What is the role of a PMC(project management consultancy) in any construction work?

2 36628

How manu days after the casting of a slab another slab can be casted above it? what is the total curing time of a slab if ponding is not done on it?

6 15663

which is dangerous AC or DC? If so why?

4 7056

PLESE SEND ME OLD TECHNICAL N APPTITUDE QUESTION PAPERS

HPCL, TCS, Urjanet,

2251

why the check zone and main zone are used for Busbar Protn. scheem?

2185

why the undervoltage relay's interlock is used in earthswitch closing operation of the 400kV line scheme?

2 5588

Why should we use Star-Delta connection in step down power transformers?

L&T,

7 21095

now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?

1 3429

Un-Answered Questions { Engineering }

How to produce the Concrete Grade 30mpa at 12hour? How to prevent for plastic shrinkage crack? How can we produce fire resistant concrete?

1928

How it can worked plc based electrical system And which type of software using.

2115

We are having proplem with the persperation smell in ETT/ECHO room in our cardiac hospital.The 2 Ton of AC is not conditioning the environment. We have to use exhaust fan to through out of the room bad air. Could anyone suggest how to coup with this effectively using chemical engineering. Any permanent solution to neutralise the bad smell.The Air freshners are not doing enough instead making a bad odour.

2298

What is the bundle conductor?

1207

What is the method of estamating of cable, CB,MCB ?

2172

List the characteristics of filter?

1072

draw the block diagram of fire alarm?

5422

What is method to calculate the noise level at any point of duct if duct dimensions and air flow is known?

1999

What is oneside mat. And explain

2593

Why auxiliary transformers are not connected in parallel in primary stations?

1425

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

1286

What is the difference between torque and power?

1130

How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

1827

Difference between low impedance and high impedance Restricted Earth Fault

3123

What school did you attend in engineering?

1092

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