113. Due to which of the following reasons a synchronous motor fails to pull into synchronism after applying D.C. field current?
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114. In a synchronous motor, the maximum power developed depends on all of the following except
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115. In a 3-phase synchronous motor, the negative phase sequence exists when the motor is
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116. In a synchronous motor, damper windings are provided on
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117. The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as
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118. A synchronous machine with low value of short-circuit ratio has
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119. Exciters of synchronous machines are
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