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

Type of cable insulation?

Essar,

3 6298

what is XLPE cable?

Essar,

2 7489

As per Kandal suggestions, we have implemented rolling starts on 140 (+/- 5) degrees and we kept 3 rollars to complete the rolling before falling 125 degrees and the Aggregate AIV is below 22. But When the DBM bed is being rolled 3rd high viabration, (Before 1 plain & low ,2 high Viabrations), the aggregate is getting sharp edge agg. projections are damaged. As the literature is said that, the VG-30 Grade having better control the temp. susceptibility than Penetration grade. if so we could not get this problem at site. But we are facing on site. let me know.

1958

Please send the graphical comparision Viscosity vs temp. for Penetration grade, Viscosity grade & CRMB.

1 3948

Can someone help me with topics for doing some projects or paper presentation on mechanical engineering concepts??

1 3321

I measured pcc work as 15.34 m cube , the ratio is 1:5:10 ,want to know the cement, sand and metal used for pcc measured as 15.34 m cube at this ratio.

2567

Write a program to count the no. of occurrence of word in given string Ex- Ram is good boy. Ram is doing good job. Ram – 2 is – 2 good – 2 boy – 1 doing –1 job – 1

Persistent,

3828

Hi i want to know that in generation station what we are generate either voltage or current

1 3690

What are the possible causes if load is not same on all the three phases

4 6419

What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2648

water cement ratio

Power Grid,

2 7931

what are the C&D CHECK OF DG set

HCL,

1 5788

If I need to purchase a step-down transformer (from three phase 33kV 50Hz to 400/230V), what additional information do I need from the main supply power line?

MahaDiscom,

1 4221

Why we use duplex coil and hook switch in telephone system?

5041

what is mechanical

Lotte Pakistan PTA, TATA,

4 6280

Un-Answered Questions { Engineering }

What happens when an ammeter is connected across the circuit?

1072

hai friends please send me the previous question ntpc questions both tecnical and apptitude papers for my mail. and also post me the areas in which u have faced difficulties that might help ful to me. so please send the answer to my question. my mail id is sweety4834u@gmail.com

1990

how does the properties of an element changes by increasing protons and electrons?

2268

Give five differences between suction and discharge pipes?

2093

tell about a type when u had to use ur presentation skill to influence someone's.

1782

proff of ERLANG B formula???

2128

Identification of ss fittings, pilot valves, relief valve.

1828

Define angular acceleration?

1222

What is the thermal efficiency of a diesel engine?

1900

why do we use 25kv supply for traction purpose?

1923

how to calculate transformer turn primary & secondary side 11kv to 420v

2193

What is the ignititon temprecher of Diesel,Petrol&Carosion oil.

3203

Give more than 15 points for the praical application of demux???

1851

䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1954

What will happen if head of a selected pump is not utilized in a closed loop water circuit? Flow will increase or decrease or remain same?

1993

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