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Engineering Interview Questions
Questions Answers Views Company eMail

In three phase supply why we use R Y B Colour not other.

4 10606

HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

2194

how we can save electrical energy in industries,please give some inputs

3 4957

what is efficient motors and how it is different from normal induction motors

Sarthak Contracts,

1913

what is the difference between CPC and i/p converter

Siemens,

1 6662

How many bags required for 1cum grouting?

Shine, Wockhardt,

6 78040

what is the effect of un-synchronized power.

2059

how can we change the phase angle b/w two phase?

2 5176

what is the Maximum voltage range for single phase

4 6563

how many plastr work in one bag cement

3 7583

how much anti termite treatment( ATT) liter used in one sq mtr floar area? & what is ratio of ATT & water.

3 26969

what is your role of in previous company as a construction manager

2231

Re: how to calculate diesel consumption of a D.G.Set? Answer # 1 We can not calculate the diesel comsumption...depending upon load it will conume the diesel...suppose the 1500kva D.G is running and the load is 1000kw means it will consume 150-200 liters per hour....

Cipla,

6 14507

1. Centrifugal pump is used to drain the coolant from the machine to coolant tank via magnetic separator and paper filter. But more foam is raising in the coolant tank. We need to arrest the foam formation inside tank which is nt desired. How do we correct this issue? (Hardness of the water is at recommended ppm).

Nissan,

2 5147

what is plunger and what's the use of it in motor alignment?

CLZ, Yahoo,

2641


Un-Answered Questions { Engineering }

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

1144


please send the last 5 years {{{JUNIOR ENGINEER GRADE II - MECHANICAL RRB CHENNAI}}} TECHNICAL question papers

2145


How to select the cable and voltage drop in circuit?

1763


What is the purpose of LO Overhead tank in turbines.

2008


what r the safety measures in UPS ? explain all?

2222


Explain The Application Of Storage Batteries?

1147


what is an inverting amplifier?

1136


Is there any course for billing available in Mumbai? If yes then please mail me the details..

2230


Friends i want to know about the civil service examination...when it wil be conducted this year?i want to become DSP...I just completed my engineering in the stream of computers....Is percentage required in engineering to Write Mains?please help me send answers to my mail arun.kanduri@gmail.com

1890


What are the causes of L.O. high temperature?

1823


why have u choose this ME-engg design department

2109


What is characteristic of ideal opamp?

1011


What is representative elementary volume?

1089


1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.

3372


is there any codal provision for soil cousion over the Hume pipe of Dia 1.2 m.

2121