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When load is removed, which of the following motor will run at the highest speed?
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If the load of the d.c. motor decreases then the speed _______
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Speed of a d.c. motor is _____ proportional to the flux and ______ proportional of back e.m.f.
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Which of the following is/are the method of grading of cables?
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Belted cables are generally used upto _______kV
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Typically, the slip is around ______ in medium sized induction motors.
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10. Which of the following quantity is represented as diameter of the circle for induction motor in circle diagram?
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09. Which of the following lubricant is used in ball bearing?
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08. An induction motor is identical to
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07. In synchronous motor, at which angle maximum power is developed?
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06. When we can use synchronous motor as a synchronous capacitance?
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05. Which of the following motor is called pony motor?
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04. Soil resistivity increases when moisture level _______
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03. In a transformer, if frequency increases, the secondary voltage ______
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02. Which of the following core is used in transformer for high frequency?
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01. At which side of transformer, tapping are provided?
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Which of the following test is the most economical for finding no-load losses of a large d.c. shunt motor?
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When load is removed, which of the following motor will run at the highest speed?
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