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 happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

1952

if current is basic si unit why it dependent on time

2 3800

can we run the home fan both clock and anticlockwise direction

1 4012

in star connected 4wired transmission system ,what happen if the neutral is grounded . or not grounded. which is significant and y

2 4591

if we have to design a small transformer of rating 1 kva or 1 mva , how can we design it?

1 4571

What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

ABB,

1934

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1948

Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

2006

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

2057

Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1938

What is the max value of neutral current that can be allowed in system?

2244

What are the disadvantages if neutral current exists in grounded star transformer distribution system?

1 5580

What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

1860

What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2 26552

What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2055

Un-Answered Questions { Engineering }

hi can u send me all d technical qus pepar of DRDO?my email id is palmzk@gmail.com

2501

How to use earthing on shipments.

1451

what are the different ripple removing circuit . which one is better and why

2456

Sketch a velocity time graph for a skydiver jumping out of a plane.

1254

What are the demerits of passive filters?

1148

What are finishes? Write on basic finishes given to textile fabrics?

What are the points to be considered for calculating cement reconciliation. a)Do we need to deduct the wt of cement bags b)Do we need to adjust the qty due to wt loss during transportation, loading unloading etc or else each bag can be considered as 50 kg bag c)What is the proportion of mix cover block making.

2163

What is beating-up?

Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

1438

What is the formula for 1 HP of a two-cycle engine?

2250

thermal engg

2073

What type of paper when made into a paper boat floats longest?

1004

how to find three phase complex power in per unit and MVA?

2208

Explain the GATT

Why virtual corporation is used?

1110

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