Q. Load characteristics drawn at Ra =0 and Ra not equal to 0, will lie _____

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Q. OCC is drawn at two different speeds both less than rated speed. OCC drawn at speed N1 lies below OCC drawn at speed N2. Which of the following relation is correct?

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Q. Why No-load or load characteristics are also called as magnetization characteristics?

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Q. Armature characteristic is _____________

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Q. External characteristics is drawn with constant term/s ____________

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Q. Armature characteristic is drawn across ________

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Q. What is the first step in drawing the armature characteristic?

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Q. In armature characteristic, nature of If at lower values of armature current is ______

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Q. At some point If On OCC, the value of voltage obtained which is more than rated voltage is _______

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Q. External Characteristic is a plot of _____________

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Q. External characteristics for all separately DC generators (except series generator) can be summarized as ____________

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Q. What is Self-excitation in DC shunt generator?

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Q. For self-excited DC generator, field circuit curve in the OCC will be __________

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Q. Intersection of Rf line and magnetization curve will give _____________

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Q. What will happen if field resistance is decreased?

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Q. No-load voltage can’t be defined where _____________

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Q. Machine does not excite to an appreciable value when ___________

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Q. No-load voltage observed at two different field resistance values, is V1 < V2. What will be the relation in field resistance values?

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Q. No-load voltage observed at two different field resistance values, is V1 < V2. What will be the relation in speed if field resistance is kept same for both cases?

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Q. DC generator will not self-excite in __________

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