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

While performing load test on DC SERIES MOTOR, does the voltage decrease slightly. Why?

2 6521

how a spindle motor works , in detail..............

3853

what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 4596

sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

2 4335

what will be the difference on output when 3phase I.M. is given a delta or star supply?

3 5402

The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.

Blue Star,

3 5739

why in industries it is specified as .2 to 1 kg/cm2

Bhel,

1 4020

what are the best institutes in hyd for groups

1955

what use can we make of 3rd harmonic component

Bhel, General Motors GM,

5 13409

why we connect digital multimeter in series for dc current measurement and parallel for dc voltage measurement.

4 10657

What softwares are required for desining the role guage of alterain car?

Bhel, MRF,

4 8733

describe the functioning of parallel adder ? what are the adventages of parallel adder over series adder?

2347

proff of ERLANG B formula???

2139

how we can calculate antenna dimension for any em wave??

3 5134

What is the criteria of selecting between Rotary Drum Filter/Centrifuge/Other Equipment?

NHPC,

1 3847

Un-Answered Questions { Engineering }

face to face first interview for the post of service engineer to question

2773

By which force the missile being fired from airhant?

691

can u briefly explain aboutan aryton shunt multirange DC ammeter?

2750

how to do cementicious paint for rcc walls of cw pump house

2042

What are the standard plastic limit/liquid limit/plasticityindex for differrent type of soils?

2423

Explain why an ordinary transistor is called bipolar.

1032

I want to know the relevant IS codes of practice which deals with different testings of cement-sand mortar (nominal mix)that is being normally used for brick work or plaster work in the construction work.

2087

The electric field in the space charge region decreases with forward bias and increases with reverse bias. Why?

1096

pls tell me about method of cutting length of ties column

2603

What should be the height of basement according to NBCC code?

2214

If a high resistance fault occurs,then what are the changes will happen in the system?

1478

how to store the vacuum in tank? its possible? what are the units for measure the vacuum ?

1814

How much time Required for PPR pipe network testing

2150

What was the weight of bhaskara?

809

Explain what would you do if your captain is not following the instructions properly?

1035

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