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Engineering Interview Questions
Questions Answers Views Company eMail

What is substation?

KSEB, Neolite,

5 7688

Why two stroke engine can’t be used in cars?

4 7631

Is it possible to make 0.75KW motor earthing from MCC panel by using the 1.5 SQMM, 4 core cable, means 3 core for 3 Phases & 1 core for Earth terminal?

4 6903

Hey Frnds...... I want to do a course in Telecom Protocol Development in delhi or chandigarh plz tell me the best institutes providing the training as above.I am eagerly waiting for ur early replies............

1683

Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2764

What is electrical energy ,power?

ABB,

2 6320

a laways iface problem with brine level transmitter sealing diaphram a laways giving error and maximum reading i made re range and adjust with side glass but during commission it giving gap reading between it and side glass i need help from expert to explain how to calibrate it. note:dp transmitter yokogawa company

1 3906

How to calculate the efficiency of Turbo Generator(Alternator) in general....?

Thermax,

2896

what is differance between kvarh $ kvah

1 2543

Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2298

Transformer type...??

1 3462

what is the Transformer Protection & Type ??

GE,

4 7706

explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

MPPGCL Madhya Pradesh Power Generating Company Ltd,

2705

We do have a problem in the company that is one PT connected to PlC which is mean 1 out of 1 in PLC system we do have the PAHH is 55 mbar and PALL 8 mbar with a timer of 15 sec for the PAHH the problem started when PAHH goes more than the set point which is 55 it reached up to 71 but due to timer doesn't trip . We force it and we checked everything nothing there . We replaced the transmitter problem still there the reading goes more than the 55 bar the range for transmitte is 0- 60 mbar . So we did loop check , aculaizing valve , wiring all are okay . What the possible causes for this ???

National Petrochemical Company,

2 5250

What are the key inputs and factors considered to plan the number of SGSN/GGSN if you have to set up a Greenfield network?

Ooredoo,

2989


Un-Answered Questions { Engineering }

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1347


I have an plot with area 35*47 = 182.77 sq yards. Out of this iam planning to construct house with 1350 sqfeet each floor .iwanted to build a G+2 house.Need cost estimation for each item

1938


Define octane number?

1015


what is the range of maximum DOL and SDS can be use for pump and fan application

1117


How many GDA exists for a group ?

4340


Exothermic reaction./ endothermic reaction

2035


Tell me what is relative humidity?

1


how to control pid

1915


how to calculate duct fittings surface area ?

4470


How failure of knuckle pin occurs?

1100


what kelvin's law ?

2119


What is a single phase autotransformer?

1107


how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

1899


State some of kingpin offset application.

1050


what is the difference between fire grate in a boiler and the burner? and is the fire grate is the furnace of the boiler?

1862