MCQs: Maintenance factor is the ratio of
Category: Electrical Engineering Questions, Published by: teswesm
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MCQs: The practical luminous efficiency of the sodium vapour lamp is of the order of
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MCQs: The main electrode of high pressure mercury vapour lamp is made up of
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MCQs: In fluorescent lamp one capacitor is connected across the lamp circuit and another is connected across the starter. Then
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MCQs: CFL means
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MCQs: A trolley bus runs on tyres driven by
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MCQs: In diesel electric traction, the torque required from traction work must be
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MCQs: In a diesel electric traction, if the current in the traction motor increases then the generator field
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MCQs: The area under the speed - time curve represents the
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MCQs: During the train movement, the tractive effort produced at the pinion by the motor is transferred to the driving wheel
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MCQs: If W is the dead weight of the train in tones and A is the acceleration of the train in kmphps then the tractive effort required for linear acceleration is given by
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MCQs: The magnitude for the tractive effort which is required for the propulsion of the train depends on
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MCQs: A low frequency supply is given to the single phase AC system for track electrification because
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MCQs: Pantograph collector is used in railways where the train runs at 100 to 130 kmph. Which among the following is true about pantograph collector?
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MCQs: The lighting system of almost all the earlier coaches and all the newly manufactured coaches has
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MCQs: Seam welding is not used for the
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MCQs: In percussion welding, the heat is produced by a rapid discharge of stored electrical energy from
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MCQs: The electrodes used for projection welding are
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MCQs: Spot welding is used to weld metal pieces whose thickness
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MCQs: The voltage - current characteristics of the arc welding must be
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