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 formula to find Amp. for an 3 phase moter both if H.P. or if kW is known?

Uttam,

5 9027

When we open the door of refrigerator then we feel hot,why?

BARC, KPIT, Power Plant,

3 11892

What is meant by running clearance?

2558

What causes a hydraulic cylinder to skip?

2207

What type welding electrode is used to weld chrome?

IOCL, TIST,

2240

why permanent magnet generator have higher frequency of 400hz

Jaypee,

3 10020

can anybody give me syallbus of chemical engineering for section engineer in railway.

CCIL,

2475

What is the exact output of eddy current proximity probe? For vibration mesurment?

2 5848

What is the working principle of oxygen analyzers(zirconium oxide type) used in CFBC boilers?

Bajaj, Kohinoor, Wartsila,

3 19400

a 650 KVA diesel generator is 1500 rpm, voltage is 415V n full load amps is 805 something,when are applied load more than 400 amps it's voltage is dropping, what is the reasons...?

4 8042

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

Jindal,

2116

Why upper weighing limit of electronics balance is 90% of the total weighing capacity?

Emcure,

2198

Why humidity limit is 30 to 55 % for raw material storage?

1 4284

who to calculate the bar bending schedule?

APPSC,

3 7974

what is difference between window type and wound type transformers?where we will use window type and wound type transformers?

2206

Un-Answered Questions { Engineering }

Tell us what is pigment?

What are the govt approvals required for starting of power project. means from initial site grading and excavation work.exm. blasting in hard rock, deep excavation, cut off trees from site.

2095

What is a feedback in control system?

1217

Define cut-in voltage of a p-n junction diode?

1149

pls send me rechnical test paper of reliance with answers for last five years??

1966

What is piv of a diode in a rectifier circuit?

1069

What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2653

WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER

2034

What is trimming?

In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

1880

1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

4648

Which rocket led apple to space?

826

What is the meaning of "co relation" and what is the value of "co relation" in the performance testing environment.

2021

What do you measure in the banana and mountain diagram?

2000

application s to shunt coil

1921

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