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

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Engineering AllOther (1379)

Engineering Interview Questions

Questions Answers Views Company eMail

how much test voltage should applied for tan delta test.

Electrical, TATA,

2 5729

What is 11 N1 and 12 N2 in single phase Transformer ?

1934

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

NA,

2305

While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 4670

Dear All, How can I make 5VDC with 500mA current rating from our 230VAC. Can anybody help me with different answers? I am Ansari-9820016777.

TCS,

4 5932

What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 4337

hi dear friends i have applied RRB exams SE so i need previous year question papers please send to my mail id santhu.hpt@gmail.com

1935

HOW CAN YOU RELATE THE FUNCTION WITH STRUCTURE EXPLAIN WITH APPROPRIATE EXAMPLES

1850

WHAT IS THE MERITS OF INTERNAL COMBUSTION ENGINE?

1 4347

what is the differnce b/w aerodynamic balancing & mass balancing

Aeronautical Society of India, HAL, Swajas Air Charter,

3 12157

What is the difference between neutral and ground?

Cethar Limited, Torrent Power,

3 8026

How many types oil using in transformer ? How many letars using in transformer..?

TATA,

2109

What is the spacing of chairs in reinforcement steel.If it is written in IS 456:2000 then tell me the page number.

2 7608

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

NTPC,

2135

In a 11KV 3phase system do you need to earth both sides of the cable?

2 6097

Un-Answered Questions { Engineering }

Is the hvac machines are designed 10% less than the electrical feeder value?

1757

What is the key element of Defect Report and Test case format?

1625

Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

2110

what is the job responsilties of Sr. engineer in QA/QC deptt.

2038

Concrete cover for slab, column, beam and footing?

1104

What is the development length given in pile?

3198

What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1909

What is pulse width modulation?

1064

how many types of thyristor are? shortly define them with purpose, application & working principle?

1918

What is the general system requirement of alternator?

1845

What is Landscape in Sap BW?

2102

Define mobility of a carrier. Show that the mobility constant of electron is larger than that of a hole.

971

Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

1945

Car tyres are usually made of ?

1118

What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1126

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