HomeElectrical MCQ for AE JEMini electrical quiz Mini electrical quiz Education March 19, 2023 2 1➤ shaded pole induction motor is used in:Hair dryer PumpCompressor None of these2➤ The reluctance motor has a: poor power factor and high efficiencyhigh power factor and high efficiency poor power factor and poor efficiencyhigh power factor and poor efficiency 3➤ Find out the quadrature axis armature current if the internal power factor angle of a synchronous motor is 45°.0.707 p.u.. 1 p.u0.5 p.u0.866 p.u4➤ In step down cycloconverter, output frequency, 𝒇𝒐 and supply frequency, 𝒇𝒔 relation is given as 𝑓0 >𝑓𝑆 𝑓0 = 𝑓𝑆. 𝑓0 < 𝑓𝑠 𝑓0 is independent of 𝑓𝑠5➤ A synchronous motor has been connected to an infinite bus that takes power at a power factor 0.8 lagging. If its excitation is increased, then the power factor of the motorIncreasesDecreasesBoth a and bRemains constant6➤ Which of the following logic gates provides output as 1 when both inputs are different?AND . XNOR NORXOR7➤ The value of unit impulse function δ(t) for t>0 is:Infinity Constant UnityZero8➤ Systems in which the output has no effect on the control action are called:Linear control system Open loop control systemClose loop control systemAll of these9➤ In current situation, which of the following fuels is used more in electrical energy generation?Natural gas Nuclear energyWind energy Coal10➤ The relation between electric flux density D and Electric field intensity is given as: E=D 𝐷 = 𝜖𝐸𝐸 = 𝐸 × 𝐷 𝐸 = 𝜖𝐷 SubmitYour score is Tags Electrical MCQ for AE JE Newer Older
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