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GATE Electrical Engineering Interview Questions

what happens if number of poles in stator and rotor windins of slip ring induction motor are not same. Will it rotate near to the synchronus speed defined by stator?

3482

If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

3568

If the Brsh of DC motor is shifted by 90 deg, then MNA will shift by --degree.

8600

Equal resistance of 100ohm each are connected to the arms of whestons bridge, which is supplied by 2v battery. The galvanometer can sense a current low as 1microAmp. What is the smallest resistance that can be measered.

3101

Why LVDT have secondary windings connected in differential 1. Higher out put 2. Based on the out put voltage-/+, helps to identify the direction of displacement 3. To establish a null/ reference point

4819

the resstance of a thermistor is 5000 ohm at 25degreeC and coefficient is .04/degCel. A measurement with lead resitance of 10 ohm will cause an error of

2601

voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

2603

when the control mechanism is present for an ammeter(1-10A) and 1A current is apllied what will be the reading of the meter?

2991

The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

3485

The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

1250

A 400KVA ,50HZ TRANSFORMER IS TO BE OPERATED AT 50HZ.THEN KVA RATING OF THE TRANSFORMER?.

6660

a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

4176

X is a uniformly distributed random variable that takes values betweeen 0 and 1.The value of E {X3}(x cube) will be.

2269

If the rank of a (5x6)matrix Q is 4, then which one of the following statements is correct ?

3067

An input device is interfaced with Intel 8085A microprocessor as memory mapped I/O.The address of the device is 2500H.In order to input data from the device to accumulator,the sequence of instruction will be

4857

How many register we are using in mvs?

390

1) can any one tell how dozer transmission system power terrain --track

1816

Is error excel?

180

What are the tools used in big data?

107

Explain penicillin, antiseptic, artificial insemination, hydrophobia, cataract, memingitis, mumps?

334

How to Show two forms allowing the first to retain focus ?

1051

What are the differences between angular and angular js?

248

What are procedures in mysql?

278

What do you understand by transaction atomicity?

336

Where can the metastore database be hosted?

3

Why is it that sound waves are not normally considered as having particle-like properties, nor raindrops as having wave-like properties? : quantum physics

313

What is one basic requirement for establishing vlans?

1

Explain the difference between an hdfs block and input split?

3

Can we access static attribute from instance method

727

Is there a fit to page option in word?

186