Engineering Interview Questions
Questions Answers Views Company eMail

what is inverse square law

1 3115

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.

1489

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

1506

why use in & out Diesel line in dg set.

NHPC,

1 1974

what is parellel power factor correction?

HCL,

2 3401

What is the name of transformers oil filteration equipment?

Reliance,

1580

what do you mean by a p-code?

1457

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

2 4515

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 6117

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 3879

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 49345

how does an open delta transformer works

2 4052

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

3625

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 37517

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

NTPC,

1648


Un-Answered Questions { Engineering }

State the physical properties of cotton?

5


if a number of plc s are there then how many modbus to be used

1529


How do you choose different types of lines for various body shapes?

5


what is die electric strnth of transformer ?

1634


What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

1620






checking procedure of i.g.b.yt & diode by multimeter...

1546


Create an midp application which examines that a phone number which has enters is in the given format * Area code should be one of the following:040,041,050,0400,044

1553


how can i prepare for the apgenco can u send old qps to jeedipally@gmail.com

2924


How ships are flooding?

568


Define "good" cooling tower water?

563


Suppose that, even unrealistically, we are to search a list of 700 million items using Binary Search, Recursion (the algorithm given in class). What is the maximum number of comparisons that this algorithm must perform before finding a given item or concluding that it is not in the list?

3233


What is grading?

1


Find out Cutting Length of Steel for Right angle Triangle? Where Opposite Side 4m, Adjacent side 6m. (Assume cover 40mm)

1450


It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

2897


what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct

1280