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

Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain

3038

A synchronous machines has higher capacity for (1) Leading power factor (2) Lagging power factor (3) Does not depend upon the power factor of machine (4) None of the above

JSW,

2 16497

One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness...explain

2 9403

The maximum demand of consumer is 2 kW and his daily energy consumption is 20 units. Its Load Factor is (1) 10.15% (2) 41.6 % (3) 50 % (4) 60%

2 23856

what is the minimum and maximum thickness of plaster.?

Arabtec,

11 36674

what is the purpose of bypass mode in energy lighting transformer?

2495

what does mean by analog output trim and where this one used for?

1 8541

what is meant by transformer differential protection ?

BFL,

3 5810

What happens if there is no nuetral in the power system?

5 7410

Which boiler is use in power plant

Jindal,

1 5509

How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

3268

Can step down transformer works as step up one???

2 4536

How work the mobail vibrator

1904

what sud u do if u dont get feedback from control valve?

Siemens,

1 7459

what is difference between positioner and position transmitter in control valve

2 15356

Un-Answered Questions { Engineering }

How can you convert air mass to air volume?

1147

What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com

1939

Permissible wastage of cement as per IS code ? In which IS code I get it?

1786

What is the type of earth fault protection used in battery? explain.

2316

Give the classification of yarns?

how pumping of concrete effects the quantity of material used in it?

1730

i am studying in bechanical engineering in M,S,University at Baroda.i and my friends want to take one month industrial trainning in mechanical engineering company.pleas send some company's name and procedure.

1955

how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

2771

why r u using enjine oil inside of diesel generaters.what is the uses & why r using diesel by pass filter. plese kindly answer me sir..?

2018

How to melt the solidified copper accretions in copper scrap melting furnace?

2710

Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

2276

why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??

2043

Describe the working of 3φ semi converter. And derive the expressions for average output voltage and rms output voltage?

1118

Draw the vi characteristics of an ideal diode.

1141

Define what is meant by filter?

1128

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