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Engineering Interview Questions
Questions Answers Views Company eMail

What is the minimum percentage of power that a powerplant can support in ilanding mode ?

1 3171

what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

Aurobindo, Hetero,

2 6515

why make protection 85% of winding?

1 3371

What is the basic difference of turn ratio & transformation ratio for a transformer?

IGT,

8 36067

some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 5002

whatdo mean by chopper fed drives.used for ac drives.

1995

There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 3640

What is the use of Surge Capacitor in LAVT?

Snipe Engineers,

1 13720

What is the difference between MCCB & MOCB?

1 9540

what is Tensile Stress ?

7 9312

In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 3563

why v/f ratio to maintain constant in speed control of induction motor?

3 13995

what is the amount of absorption of slurry in shuttering ply board. what is the amount of slurry leakage allowed for 1 m3 of concrete.

L&T,

2333

How is the parity flag actually set in the 8085 microprocessor?

2048

Wt is the function of reactive power? How it generates & consume though resultant is zero?

1893


Un-Answered Questions { Engineering }

which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter

2120


List out the different frequency domain specifications?

1243


If any machinery or transmission needs periodic ana regular lubrication . what is the best method to give it?

4295


The moisture in air will condense at

1184


how to revers the direction of single phase motor

965


what is the required force to bend 2.5 MS sheet in 90 degrees and what is the formula to calculate the same?

2702


What is fiber?

1


If you want to provide water or any chemical @ 50 meter height how much head will you prefer for any selected pump...consider it is M.S pipings...how much friction loss will be there...show with calculation.

2365


Define modulation.

1062


how does a generator work?

1878


There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1966


what s the standrd size of pvc fittings ,like elbow, bend,tee etc ? please explain with figure ?

2577


What are the different methods for drawing an arc?

1252


How many cylonders are there in 2stroke diesel engine?

1954


A simple problem involing in hoops stress. For sphere: M= [3/2]*p*V*[density of pressure vessel material/Maximum working stress it can tolerate] For Thin walled pressure walls: Hoops stress or stress in the radial direction =p*r/2t ?

2678