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

we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 2792

What is difference between profibus and modbus communication

GMR,

2 15660

What is mean by grade of steel?if Fe 415,Fe500- what is this 500 and 415 denotes?

ECC,

3 6068

01m3 cement mortar in cement qty in kg

CCE,

1 3523

How to calculate the quantity of ingredients of M20 grade concrete?

2004

If we says that current is flow only when there is closed path & neutral work as a return path for the same. Then how circuit is closed in three phase as no neutral available ??

Nimbus Harbor Facilities Management,

1 3105

What is Toroid?. What is the difference between toroid and Current Transformer

DAE,

1 3393

Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

DAE,

1815

What are the criterias for selecting piping for different utilities services like cooling water, DM Water, Service Water and Fire Water.Please provide some technical literature on that.

DAE,

2 4599

At what principle Air Compressor Works?.. What are the rule governing air compressor operation:

DAE,

2 5118

What are the different condition monitoring techniques for a motor?

DAE,

1 3616

what is the difference between the characteristics of two different phase bushing of any transformer

NIT,

1821

If a HV Underground Cable (13.8KV) is layed in the ground below 1.5 Mtrs and any building construction is done on the Cable route. IS this allowable or Not? What should be the clearance. As per ISO construction on HV cable route is safe or Not? Why? Can any body suggest the site for my question?

ZCL,

1 2865

What are the protections for HT Motors?

BARC,

1 3184

What are the chemical composition of cast iron grade 20

1939

Un-Answered Questions { Engineering }

Why rockets using liquid hydrogen have higher specific impulse compared to liquid hydrocarbon ?

1119

What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2930

On what basis the the size of Lightning arrester for buildings are selected ?

1668

How do you measure water flowing through 300mm diameter pipes?

1138

Explain the wave patterns seen in an eeg scan.

1101

how to prepare welding procedure specification and pqr

5053

how open delta PT works & what is its construction?

2265

what's the activities in your job?

2473

What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

2108

A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

1801

What is the function of AUTO SHUT OF Valve in Diesel Engine?

1775

Who name us Engineer & Why?

2526

What is the function of electron gun used in crt?

1086

What is railroad track ballast?

1099

What are the transformer losses?

1190

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