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At full-load and 0. Find us on Facebook Electricalengineerz. Core loss component current decreases, Magnetizing component current decreases 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 None Ans: Subscribe To Posts Atom.

Share this on WhatsApp. Hi All, Somany members requesting previous question papers. Field flux production Which of the following plant is having lowest load factor?

Power factor will be lowered Practical method of improving string efficiency a Increasing crass arms length b Using dlectrical size of insulators c Using different insulator materials d Using of guard rings Ans: Learn how your comment data is processed.

Moving coil in dynamometer wattmeter connected a In series with fixed electrixal b Across supply c In series with load d Across load Ans: Impedance is proportional with respect to own KVA rating This site uses Akismet to reduce spam. Vab is reference then angle between Vab and Ib is a deg b deg c deg d deg Ans: A dc cumulatively compounded motor delivers rated load torque at rated speed. AE electrical previous papersap genco electrical sub engineers key paperap transcoelectrical previous paperstranscotransco previous question papertrascno electrical.

Total stator losses are 1 KW. Temperature of electrode in Arc furnace is a deg b deg c deg to deg d deg Ans: The slip and rotor ohmic losses at full load are a 0. Did any one of you really receive the papers to you mail IDs? Your email address will not be published.

The two watt meters measurement the ratio of two meter readings is — 1-sqrt3: 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: For parallel operation of transformer at no load, then load shared are equal when a Impedance is proportional with respect to own KVA rating b c d Ans: A CRO screen has ten divisions on the horizontal scale.

In bode plot the point which separates the lower and upper frequencies is called a Critical point b Cut-off point c d Ans: Decrease rise time and increase overshoot Sir please send me the all previous papers and model papers of apgenco and transco to my email Aptranxco. A system with gain margin close to unity or a phase margin close to zero is highly stable oscillatory relatively stable none of these Root locus diagram exhibits the frequency response of a aprtansco poles of the transfer electricao for a set of parameter values bandwidth of system all of the above Increase in the gain K makes the system more stable unstable none of above The transfer function of a system is used to determine the output for a given input the type of system the input for a given output the steady state gain In a servo system the voltage induced in the control transformer rotor is the error voltage driving voltage opposing voltage none of these With the feedback system, the aptranco response decays slowly decays rapidly rises slowly rises quickly Measurements and Instrumentation Which of the following types of instrument is an integrating instrument?

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