MCQs: Nitrogen is added with the argon in an incandescent lamp to
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MCQs: The inside wall of fluorescent tube is coated with
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MCQs: In internal combustion engine drive, a gear box is
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MCQs: In diesel electric drive,
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MCQs: For running at half of the maximum speed, the batteries of battery electric drive are connected in
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MCQs: In tramways,
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MCQs: In mail line train services, the
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MCQs: The ratio of the distance between any two stops and the sum of the time of run and the time of stop at one station is known as
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MCQs: The scheduled speed of a train can be increased by
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MCQs: Which among the following is mechanical braking?
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MCQs: During plugging, the speed of the motor gradually decreases. If the supply to the motor is not cut - off then the
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MCQs: In case of dc series motor, the torque can be found from
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MCQs: For regenerative braking, the motor which is not suitable is
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MCQs: The heat required by the weld is produced due to the contact resistance between the two pieces and is
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MCQs: For welding aluminium alloys, the electrodes used are
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MCQs: Voltage required for butt welding is
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MCQs: In inert gas metal arc welding,
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MCQs: Advantage of using electron beam welding is / are
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MCQs: Non - consumable electrodes are made of
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MCQs: An ac timer circuit is used to control the number of cycles for which the power may be supplied to the weld. In this, the time required for the voltage to fall by a given amount is
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