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Engineering Interview Questions
Questions Answers Views Company eMail

what is inverse square law

1 3128

please answer the following question: A table contains the monthly sales data for the 12 months of a year and for the 4 sales zones where each zone has 8 districts.The table is defined in WORKING-STORAGE SECTION.What is the size of the defined table in number of bytes? write statements to calculate the total sales for each month.

 1499

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

 1520

why use in & out Diesel line in dg set.

NHPC,

1 1988

what is parellel power factor correction?

HCL,

2 3418

What is the name of transformers oil filteration equipment?

Reliance,

1585

what do you mean by a p-code?

1467

I If i have 2kv ups in which 38Amp *8battries hou many hour's back up i get from 600Watts

2 4531

When we change the tap position of 10MVA transformer it suddenly tripped with Out of step indication and also with Static differential relay indication, Transformer Bucholz relay indn and Low oil level indication. Before 1 week the same problem occured by changing the tap position. but at that time only oltc bucholz relay activated. After testing the TxR Relay team & PET team cant find any solid reason. The values are ok also. So plz answer wat's the reason for this incident? anybody plz help.

 3 6129

There is 3phase power cable from 1 point to the other point which is 100m away. Two point equipped with power meter and recorded 1st point is 205kW while the 2nd is 202kW and each phase average carry 400amps. To calculate the resistance of the 3phase power cable, is the formula using will be P=I2R?

 3 3897

how to calculate a id fan capacity and sutable motor in kw's.i have a fan impeller dia is 1050mm, width is 105mm in impeller inside to inside,and impeller section cone gap is 450mm, impeller plate thick is 5mm,what is the sutable motor and how cen i calculate the fan capacity, tell me the calculations with Exa also.

BPSL, HCL,

1 49380

how does an open delta transformer works

 2 4072

Difference between HRG and NGR. Are they both the same thing

 3641

what is the factor of safety for cement and steel with reference to IS 456-2000. and min reinforcement should be provided for column and slab with reference to IS 456-2000.

 5 37542

please send me last year question for executive tranees in ntpc on my email ID rajthakur2091@gmail.com

NTPC,

1653

Un-Answered Questions { Engineering }

If we don't have drawing for Excavation of building,At what rule we will go for excavation and how much depth will go for a villa?

1257

Explain me what is seam allowance?

1

What types of inverters require feedback diodes?

950

Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

1512

Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

634




What is tack welding ?

664

How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

1884

Define monochromatic emissive power. [EbĪ»]

796

We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

977

how is the incoming cable size calculated for a given current rating of a panel??

1431

Crankcase oil mist detector

1566

What is the binary number system?

561

Sir, I was recently placed at ITC Infotect. My ctc is 2.46lpa. How much will I get in hand every month? Plssss answer. Thanx in advance.

2169

HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

1752

how can we choose the controller of CNC bending machine?and how can we know the nomber of the machine axis?

1957

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