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 Black-out and Brown-out situation in the context of voltage stability in power system?

1 5897

What is the difference between pneumatic and electro pnematic positioner?

3 36766

Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 4574

Purpose of lighting transformer.

2 5525

What is ill conditioned power system?

1 9803

What is a captive power plant?

2 7536

What is the % number of various buses in a typical power system?

2 5016

On which side, taps are provided in tap changing transformers and why?

2 6706

What is difference between flame retardant & flame resistance cable? Among which type of cable is used for ESD & Fire and Gas system application?

1 8545

Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 6769

During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 4313

While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 4171

Amoung all types of short circuit faults in a transmission line which one has less number of occurance and why?

1 4346

What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

3984

What are various power system instabilities and what are their effects on power system operation?

1 3684

Un-Answered Questions { Engineering }

how much LT load can bear by the 100 KW HT connection.

2282

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

2701

Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

5270

What is the basic difference between Modbus and CAN Open Protocols

6511

What are the delays in construction projects due to approvals from owners? How can we analyze them in different prospective? Whats their affects and effects on presently going work?

2171

i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1865

what is PID control in VFD drives?

2077

WHERE CAN I GET THE PREVIOUS QUESTION PAPERS OF APGENCO FOR THE THE POST OF Tr.ASSISTANT ENGINEER(CIVIL)

3525

What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

2132

What is the ratio of majority and minority carriers in intrinsic and extrinsic semiconductors?

1278

What are materials used for manufacturing of gears ?

1171

hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

2622

how we calculate the induced air capacity of id fan of a boiler?

2407

what is mean by c32/40s concrete class

2024

sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

1967

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