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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Good regulation means a Less fluctuations from no-load to full-load b c d Ans: In bode plot the point which separates the lower and upper frequencies is called a Critical point b Cut-off point c d Ans: Low-pass filter function ii. Practical method of improving string efficiency a Increasing crass arms length b Using different size of insulators c Using different insulator materials d Using of guard rings Ans: Total stator losses are 1 KW.
Find Vab a Zero b 50 at an angle of 90 deg c 50 at an angle of 90 deg d None Ans: AE electrical previous papersap genco electrical sub engineers key paperap transcoelectrical previous paperstranscotransco previous question papertrascno electrical. Flue gases coming out from furnace is first going through a Turbine b Economizer c Air pre-heater d Chimney Ans: The two watt meters measurement the ratio of two meter readings is — 1-sqrt3: If direction of rotation is reversed, then machine will a Build up its voltage with same polarity b Build up its voltage with opposite polarity c No build up of voltage d None Ans: In a shaded pole motor, shaded rings are used to a Field flux production b c d Ans: When V dc shunt machine generating the voltage at rated value.
When Alternator excitation increases and machine is operating at lagging power factor then flr I increase b I decreases c No effect on current d None Ans: Long lines only 2. In Induction motor Slip frequency of rotor current, when rotor speed is Nr.
In Gauss Seidel method the following factors are influenced for operation a Acceleration factor b Selection of slack buss c Both d None 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: Impedance is proportional with respect to own KVA rating For SR latch whent the out put is undesirable a 0, 0 b 1, 0 c 0, 1 d 1, 1 Ans: Core loss component current decreases, Magnetizing component current decreases Posted by Srinivas goud at 8: If series field is short circuited, then the armature current and speed will a Both increases b Both decreases c Increases and decreases d Decreases and increases Ans: Field flux production All of the above The following element retains it energy after source is disconnected a Resister b Inductor c Capacitor d Thermistor Ans: Temperature of electrode in Arc furnace is a deg b deg c deg to deg d deg Ans: Harmonics are eliminated by using a Skewing of rotor b Distribution winding c Short pitch winding d All of the above Ans: Subscribe To Posts Atom.
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: Power factor will be lowered Ebooks Electrical engg vol-1 Electrical engg vol-2 Electrical engg vol-3 Electrical engg vol Decrease rise time and increase overshoot Moving coil in dynamometer wattmeter connected a In series with fixed coil b Across supply c In series with load d Across load Ans: The slip and rotor ohmic losses at full load are a 0.
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: Less fluctuation from no-load to full-load Heat convection, radiation, and conduction all are takes place in a Ice b Boiler c Refrigerator d Flue gases in pipe Ans: In ceiling fan the angle between auxiliary winding a main winding is a 0 deg b 90 deg c deg d deg Ans: When moving iron meter is used to measure d.
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APTRANSCO – Electrical Engineering Materials
Get my banner code Make flash banner. Find Z11 and Z For a single-phase a. 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: Vab is reference then angle between Vab and Ib is a deg b deg eelctrical deg d deg Ans: Find us on Facebook Electricalengineerz.
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: In an induction machine, if the air gap increased a Speed will be reduced b Efficiency will be improved c Power factor will be lowered d Breakdown torque will be reduced Ans: