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

Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72

2176

i install a DP transmitter of Faugi on drum level of boiler but i face a problem in it when i engergize the transmitter the meter shows 0 or 100% no variation in it.the distance of two points is 19.5 inches, i am in trouble please suggest me what can i do it's very urgent Please reply me as soon as possible Best regards ikraam haider

5 7934

control diagram of star delta starter

5 9461

How can you derive a composite matrix for reflecting an object in 3D about any arbitrary plane characterised by normal vector N?

1 3443

what is the difference between plc & DCS?

Cheminova, NGIL, Siemens,

5 9322

quantity of sand in cft in 1:6 cement sand mortar

2 5872

what is meant by expansion joints in concrete structures?

L&T,

4 11807

how clculate excavated or backfilling quantity by simpson's rule

Jaypee,

5098

Advantages of Induction Motors

2 4103

why we use npn sensor in vibration monitoring system

1 2949

What is "Bending moment"? Demonstrate on theory not for formula.

3 7955

How to calculate the crank length of the rod in beam? Please give me a details.

Agarwal Associates,

3 25192

Is MV canble armour can be earthed at both ends?

2 4332

What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

1 3789

why the thermocouple is a transducer an Rtd is not a transducer both taking heat as a input and give millivilt and ohms plz give me answer

2 11690

Un-Answered Questions { Engineering }

explain different access specifiers in class

2110

What is stripper & spilitter ? Diffrence in this.?

2447

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1738

wt is dynamic coupling????

1914

i need to know abt renault nissan company and the rounds and type of questions asked by today

3357

The friction plate is always mounted on a) flywheel b) Pressure plate c) Internally splined hub d) Clutch spring

1505

What is the purpose of the package around a microprocessor silicon die?

954

What is boucholz relay and the significance of it in to the trformer?

1099

hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com

1780

Define characteristics impedance?

1092

Please define ampere?

1079

How to handle production department ?

1981

hi sir would u plz kindly send me d previous years IOCL test papers......plz send it to this email id...jomygeorge787@hotmail.com

1909

how to find motors H.P. whout any rating? (only give you a motor and multimeter)

6007

What the difference between ac and dc inductor an capacitor

2375

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