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UPPSC AE EE Paper-1 Quiz 13
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The nature of armature mmf for a zero power factor lagging load in a 3-phase alternator is
A long shunt compound wound motor is having shunt field resistance, series field resistance and armature resistance of 300 Ω, 0.8 Ω and 0.6 Ω respectively. If the motor is drawing 60A at 500V, What is the voltage drop across series field resistance?
Which parameters are used in Power system Modelling ?
In a two port network having an input and output, the required s-matrix will be:
What value of K, is the transfer function be act as unity static gain compensator?
When the sinusoidal steady state current is called the symmetrical short circuit current, then the unidirectional transient component is called
What happens when power factor is low,
The per unit impedance of an element is 0.20 p.u. If the base kV and base MVA are doubled, the new per unit impedance will be
A galvanometer has a current sensitivity of 1 μA/mm and a critical damping resistance of 1kΩ. The voltage sensitivity and the megaohm sensitivity respectively are
A resistance strain gauge with a gauge factor of 2 is fastened to a steel member subjected to a stress of 1050 kg/cm2. The modulus of elasticity of steel is 2.1 × 106 kg/cm2. The change in resistance ∆R of the strain gauge element due to applied stress will be
A resistance wire strain gauge with a gauge factor 2 is bonded to a steel structural member subjected to a stress of 100 MNm2. The modulus of elasticity of steel is 200 GNm2. The percentage change in the value of the gauge resistance due to the applied stress will be
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Nov 30AE & JE Exams