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Engineering Interview Questions
Questions Answers Views Company eMail

20 transistors go in a box and two dozen boxes are packed in a carton. How many cartons will be needed to pack 1920 transistors?

2 8643

what clearance required for 4.5 mva dry type transformer?

SPS,

1618

how to calculate lighting for a room

Coca Cola,

2 6616

How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?

 1661

why we can't use carnot cycle in steam power plant?

 3 8889

A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

 1 2693

During a turn , why does the inner Tyre experience greater resistance to turning than the outer Tyre?

MAHINDRA,

2 6904

method to check earthing

ECC,

5 9733

why slipring motor , at full speed run as squirrel cage motor?

 1 3290

what is jdbc bridge?

TCS,

1785

how to calculate circular slab reinforcement (6m dia 0.15mmthick)

 4 30902

1:6 mortar, how many self life hours ?

CCCL, L&T,

4 14933

I have running 4 generator in paralel.All generators Voltages is same(470 V),KW also same (100 KW) but only No2 generator Amper is high than another generators. DG No:1,3,4 470V,100KW, 150 A DG No:2 470V,100KW,400 A

4 4214

How to calculate Volume of Wet cement concrete for a specific grade?

MBPL,

1764

what is the Purpose of Adding 20% of wet mortar & 1/3rd to Dry Mortar for PCC & Plastering & Rcc .is there any standard method for adding this .?

 1769

Un-Answered Questions { Engineering }

Why boiler is purged everytime before starting firing of fuel ?

661

Explain weather satellite?

482

draw 3 phase rectifier diagram

1710

R=*ΒΆ l/a

1156

What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

1687




A rectangular sheet dimensions a x b is to be made into an open-topped box by cutting a square of side h from each corner and folding the 4 sides up. Find the value of h which allows the maximum volume of the box?

719

What is meant by led?

615

Parts of machine and their discription in details with suitable photo

1623

Can anybody please tell me from where I can get sample placement papers so that ii can prepare accordingly.

1156

what are various part found in vapour absorption machine and its working

1865

SIR plz send me old exam papers for RRB chennai

2304

what is threaded joints ,where present usage ?

1608

for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

984

What happens when ac supply is given as excitation voltage instead of dc supply

3128

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1208

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