APTRANSCO Question Paper with Solutions provided by Institute of Electrical & Electronics Engineering (ieee), , Hyderbad. APTRANSCO/APGENCO Assistant Engineer AE Electrical Previous Question Papers | Indian Shout. Like. 0. Home. About. Contact us. ELECTRICITY. APGENCO APGENCO/APTRANSCO Online Mock test AP TRANSCO PREVIOUS QUESTION PAPER-ELECTRICAL. 1.

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For a single-phase a. When moving iron meter is used to measure d.

Low-pass filter function ii. Ebooks Electrical engg vol-1 Electriacl engg vol-2 Electrical engg vol-3 Electrical engg vol Power factor will be lowered Transient stability can be improved by a By putting series capacitor b By using dynamic resister c Auto re-closers d All of the above Ans: Vab is reference then angle between Vab and Ib is a deg b deg c deg d deg Ans: Va and Vb are negative sequence component voltages the difference angle between Va and Vb with respect to Va is a b c d Ans: When Alternator excitation increases and machine is operating at lagging power factor then a I increase b I decreases c No effect on current d Apteansco Ans: Harmonics are eliminated by using a Skewing of rotor b Distribution winding c Short pitch winding d All of the above Ans: A dc cumulatively compounded motor delivers rated load torque at rated speed.


Temperature of electrode in Arc furnace is a deg b deg c deg to deg d deg Ans: Find Vab a Zero b aptransci at an angle of 90 deg c 50 at an angle of 90 deg d None Ans: Mho relay is usually employed for the protection of a Short lines only b Medium lines only c Long lines only d Any line Ans: Long lines only 2.

Less fluctuation from no-load to full-load The two watt meters measurement the ratio of two meter readings is — 1-sqrt3: Lag net work Field flux production The phase lead compensation is used to a Increase rise time and decrease overshoot b Decrease both rise time and overshoot c Increase both rise time and overshoot d Decrease rise time and increase overshoot Ans: In bode plot the point which separates ffor lower and upper frequencies is called a Critical point b Cut-off point c d Ans: A CRO screen has ten divisions on the horizontal scale.

In ceiling fan the angle between auxiliary winding a main winding is a 0 deg b 90 deg c deg d deg Ans: Moving coil in dynamometer wattmeter connected a In series with fixed coil b Across supply c In series with load d Across load Ans: If series field is short circuited, then the armature current and speed will a Both increases eoectrical Both decreases c Increases and decreases d Decreases and increases Ans: Core loss component current decreases, Magnetizing component current decreases In a shaded pole motor, shaded rings are used to a Field flux production b c d Ans: When sine wave is given as input to Schmitt trigger then its generates a Sine wave b Saw tooth wave c Triangle wave d Square wave Ans: For SR latch whent the out put is undesirable a 0, aptranwco b 1, 0 c 0, 1 d 1, 1 Ans: Then rotor producing slip field rotates with respect to stator is a Slip frequency b Nr c Ns d None Ans: Total stator losses are 1 KW.


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Heat convection, radiation, and conduction all are takes place in a Ice b Boiler c Refrigerator d Flue gases in pipe Ans: In Induction motor Slip frequency of rotor current, when rotor speed is Nr.

When V dc shunt machine generating the voltage elevtrical rated value. In an induction machine, if the air gap increased a Speed will be reduced b Aptranscp will be improved c Power factor will be lowered d Breakdown torque will be reduced Ans: