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Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between earthing & neutral.

2 6319

How over load relay works.

1 3714

What is spike & surge.

2 5302

what is AH of battery

NSIC,

6 26313

what is diffrent of RCCB & MCCB

6 14488

Why is shaft current insulation required on large motors & when should it be checked i.e. before or after assembly?

Aramco,

2 5378

How stabilizer works

1 4639

WHY STABILIZER SHOULD USED

2 4483

Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 5000

Which type of material used for fuse wire & solder wire.

13 63007

How would u describe the function of a generator & motor?

5 8818

what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?

1917

Define magnetic centre in a motor?

1 13388

For which purpose the temp. rise test of transformer is conducted?

2 6081

regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

Reliance, Southco Utility,

2069


Un-Answered Questions { Engineering }

what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

2132


When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<

2172


Difference between Earthing Truck & Earthing trolly for HT panel

4418


what is far pointer?

1927


how to rectify the poor signal strength in utrasonic digtial flow meter ,model:ge digital xce868i

1293


Can u tell me design of switch yard

2191


What it the purpose of parallel phasing transfomers??

2005


Explain what does ce mean..u will see it on almost every chip(ic)?

1215


what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2518


What is extruded aluminium used for?

1072


verbal quiz and answers

1860


Define modulation.

1073


what is charger supervision and control supervision?

2084


Interview question paper

2442


What is a Sequential circuit? Draw and explain a sequential circuit.

1099