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

How to convertion 100 m3/hr to mmH2O or to Kg/cm2?

803

Is it a good sign when thick smoke comes out of a Oil vapor extraction fan of a steam turbine oil sump? What does it indicates?

881

What are the raw material needed for steel production?

1 1254

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

741

Can we apply curing compound on ceiling (slab Bottom)

737

how to revers the direction of single phase motor

910

Briks type

1 1468

How much voltage we need to apply in 33kv cable during hipot test of cable

809

Determine the production capacity of a treatment plant for a city of 1,250,000 population. Assume the specific consumption per capita of 15ol/c/d, non-domestic water use of 30,000,000 m³/year, and UFW of 12%.

1054

An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

1354

Slipring moter find external resistance

1 1421

tell me about your project

1 1557

Interchange 7 and 6 ,÷and× 36×7+4-7×3

1 1541

How to find the cuplock pipe qty in staging for Minor bridge?

1592

Question on maha cement

699

Un-Answered Questions { Engineering }

we have 15 ampere variyac but we want 30 ampere variyac what we do

1868

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

2033

what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

1731

If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1837

how to clculate the %of concrete strenght achive after curing?load

2376

Explain the formula of heat loss in a pipe.

1040

What is critical radius of insulation?

990

what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1928

Explain the procedure to estimate the friction factor involved in heat exchanger tubes?

1022

Define piezo-electric effect?

1077

Define swelling?

calculate the expantion of steel bar 2,5 long if its temperature rises from 20 degrees to 250 degrees and its co effient of expantion is 0,000011 mm degrees

749

Which is the indian standard code of line out. ? How much tolerance fot 1 mt lenght? Its challenge....

2360

What is a transistor?

1055

What is its magnitude for ge and si?

1085

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