EXAMIANS
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.
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In two-part tariff, the ____ charges depend upon the maximum demand of the consumer and the ____ charges depend upon the number of units consumed by the consumer.
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In transformers,<br/>Statement 1: Deterioration of oil may occur due to the result of prolonged overloading of the transformer.<br/>Statement 2: Dielectric faults occur in the winding due to turn-to-turn insulation breakdown.
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The International boundary 'Radcliffe Line’ lies between India and
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If the phase velocity of a plane wave in a perfect dielectric is 0.4 times its value in free space, then what is the relative permittivity of the dielectric?
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A three phase four pole 50 Hz induction motor has a rotor resistance of 0.02 Ω/phase and stand-still reactance of 0.5 Ω/phase. Calculate the speed at which the maximum torque is developed.
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Which country leads in the production of biofuel in the world?
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A group of computers and other devices connected together is called a network and the concept of connected computers sharing resources is called ____
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Thermopile is used for the measurement of
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In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?
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