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

the number of factors of 576?and the logic for this question?

2634

what is power?

1 4648

what is major differnet between hub and switch and also defferent between router and switch

ACS,

1911

what the bridge id of any switches

1893

WHAT IS INERTIA,AND WAT IS TORQUE.

2209

how to calculate voltage drop and followed by cable calculation?is there avail in formula?

2071

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

HAL,

2151

Explain the working principle of variable frequency drive?

ABB,

3477

i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

2245

Why the capcitor to be discharged after put in to operation & why not inductor though the both elements stores energy?

3 5041

Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

Vijai Electricals,

3 5127

How much area a lightning arrestor can cover?

5 25176

Please send specifications for 1000KVA dry type transformer or where I can get the specifications?

PSU,

2 5870

Where can I get CPWD electrical shedule rates in web? please help me.

1 3404

How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

2013

Un-Answered Questions { Engineering }

PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

1962

If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

6141

What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1839

how to control pid

1919

Explain the difference between self-energizing and self-locking in brake / clutch.

5495

How to calculate the Harmonics losses in terms of cost/unit.

2034

Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

2102

Name any three animal fibers?

how to commissioning the genset with amf panel?

2411

Define power electronics?

996

SIR plz send me old exam papers for RRB chennai

2736

What is bauschinger effect ?

1137

how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

2649

Which reactor requires no moderator ?

1163

what is the cause of voltage dipp or swell in the transmission lines?

2093

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