GATE EE 2014 Set 2 | GATE EE Year Wise Previous Years Questions

GATE EE 2014 Set 2

MCQ (Single Correct Answer)

-0.6

A single-phase $$SCR$$ based $$ac$$ regulator is feeding power to a load consisting of $$5\,\,\Omega $$ resistance and $$16$$ $$mH$$ inductance. The input supply is $$230$$ $$V,$$ $$50$$ $$Hz$$ $$ac.$$ The maximum firing angle at which the voltage across the device becomes zero all throughout and the $$rms$$ value of current through $$SCR,$$ under this operating condition, are

$${30^0}$$ and $$46$$ $$A$$

$${30^0}$$ and $$23$$ $$A$$

$${45^0}$$ and $$23$$ $$A$$

$${45^0}$$ and $$32$$ $$A$$

GATE EE 2014 Set 2

Numerical

-0

A single phase induction motor draws $$12MW$$ power at $$0.6$$ lagging power. A capacitor is connected in parallel to the motor to improve the power factor of the combination of motor and capacitor to $$0.8$$ lagging. Assuming that the real and reactive power drawn by the motor remains same as before, the reactive power delivered by the capacitor in MVAR is _______ .

Your input ____

GATE EE 2014 Set 2

MCQ (Single Correct Answer)

-0.6

The horizontally placed conductors of a single phase line operating at $$50$$ $$Hz$$ are having outside diameter of $$1.6$$ cm, and the spacing between centers of the conductors is $$6$$ m. The permittivity of free space is $$8.854 \times {10^{ - 12}}\,\,F/m.$$ The capacitance to ground per kilometer of each line is

$$4.2\,\, \times \,\,{10^{ - 9}}F$$

$$8.4\,\, \times \,\,{10^{ - 9}}F$$

$$4.2\,\, \times \,\,{10^{ - 12}}F$$

$$8.4\,\, \times \,\,{10^{ - 12}}F$$

GATE EE 2014 Set 2

MCQ (Single Correct Answer)

-0.3

Shunt reactors are sometimes used in high voltage transmission systems to

limit the short circuit current through the line

compensate for the series reactance of the line under heavily loaded condition

limit over-voltages at the load side under lightly loaded condition

compensate for the voltage drop in the line under heavily loaded condition.

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2023