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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

2277

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 8256

control diagram of star delta starter

5 9784

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

1 3639

what is the difference between plc & DCS?

Cheminova, NGIL, Siemens,

5 9632

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

2 6069

what is meant by expansion joints in concrete structures?

L&T,

4 12141

how clculate excavated or backfilling quantity by simpson's rule

Jaypee,

5197

Advantages of Induction Motors

2 4290

why we use npn sensor in vibration monitoring system

1 3090

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

3 8178

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

Agarwal Associates,

3 25497

Is MV canble armour can be earthed at both ends?

2 4600

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 3939

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 11905


Un-Answered Questions { Engineering }

The height to which the liquid in a tank to be maintained for a certain constant velocity?

2058


difference between main metering kiosk and check metering kiosk

3057


Why reinforcement done in shorter span in two way slabs

1873


Q1. A. Compare the advantages and disadvantages of a three- dimensional monitor using a varifocal mirror with a stereoscopic system. B. Write a routine to implement the polymarker function.

2278


List the energy saving opportunities in air compressor system.

1590


what is right & short method of measurement of slab&beam

2167


How do you ensure the structural integrity and safety of an aircraft during the design and manufacturing process?

624


Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

2211


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?

2035


explain different types of d.c motors?

1231


how to calculate cooling requirement of datacentre from electrical load?

2496


What is recrystallization?

1022


We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.

1919


How is the keycode calculated while interfacing a keyboard with a microprocessor?

1970


What is q factor?

1171