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Engineering Interview Questions
Questions Answers Views Company eMail

why do we connect voltmeter in parallel,why not in series,and why do we connect ammeter in series why not in paprallel...

4 9663

working principles of cf lamp,incandescentlamp and f lamp?

2258

How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

2042

Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?

2128

One 15kw motor Why we used star delta feeder?why not used DOL please explain in details

BMM Ispat, GSK, Pitti Laminations,

3 8968

What is histogram? why and how it is used?

1940

WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

MPS Techologies,

2094

1) one brass of stone aggregate 20mm is good for how much sq.ft. work of concrete beam and 2) one brass of river sand is good for how much sq.ft. work of concrete beam . if ration is 1:4:6. at the same time how many bags of cement will be required for same work if each bag is of 50 kgs . please help me.

1 7986

what is the ideal temparature for concrete?

HCL,

5 10483

What is ferrite affects and what is disadvantage of ferrite affects.

1 3370

what is the meaning of Ring Mean Unit in a substation or trasformer also tell me its oerpuse?

NPTC, NTPC,

4 51041

How can make a star delta with Rstar delta feeder ( ( 4contactor & one timer ) pls answer with digram (power &control digram)

1 3700

write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2566

What is the output of 25 kva 11/.4 kv transformer in kw ? Plz generalized it...

NTPC,

3 9198

I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

1838


Un-Answered Questions { Engineering }

The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

2280


about metallurgy

1613


if you have valve with a fluid flow at a given psi, what is the stress to the valve?

2410


How much cement will require for 1Rmt Skirting laying

2314


Is RTCC panel needs any control supply.

2062


how to relay switch sense the fault?

2611


How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

2302


What is a barometric condenser?

1178


What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

2245


How much cement and sand required for 9"brick wall per square metre

2926


what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1460


Atwhat condition reverse power relay will act?

2263


How would you relate your key competencies to this position?

2221


why we are not using the turbine flow meter in the steam service?

2215


In the present situation of ban on mining sand from rivers,can we go for formation of earth dam filters viz;Horizantal sand blanket,inclined chimney and filters under rivetment with crushed rock sand of 6mm down size.If so what are the specifications and is there any codal provision for its authentication?

1977