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 5695

What is the difference between pneumatic and electro pnematic positioner?

3 36453

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 4384

Purpose of lighting transformer.

2 5289

What is ill conditioned power system?

1 9614

What is a captive power plant?

2 7283

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

2 4710

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

2 6476

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

1 8366

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

1 6616

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

1 4149

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 3920

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

1 4174

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

3884

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

1 3508

Un-Answered Questions { Engineering }

when do we use capacitor and inductor as strong device

2156

Cooling water line sizing ?

1715

what is the cost difference of a same structure when it is constructed with brick masonary and when it is constructed with block masonary and concrete as a frame structure????????????????????????

2039

How to calculate CFM in Compressure or Blower? EX. I hv Blower with 5hp motor.then how to calculate the CFM?

2326

how to stop beam concrete between column

2338

Define asymmetrical?

WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)

1786

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2075

please briefly explain the Discharge process and Formula of Centrifugal Pump

1871

Define lock-inrange, capture range, and pullintime of a pll

1078

Pl. Brief about DNC.

1753

What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!

2134

What is the difference between shear center flexural center of twist and elastic center?

1193

How will polarity test of Dy5 Transformer ?

2160

Which type of pressure can be measured by primary elements?

1014

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