Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 500. 0. 2000. 1000. 500. 0. 2000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Vacuum. Glass. Oil impregnated paper. Mica. Vacuum. Glass. Oil impregnated paper. Mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Very high. Zero. Normal. Very low. Very high. Zero. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A resistor. an inductor. A capacitor. None of these. A resistor. an inductor. A capacitor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to all of these. over load. zero or very low voltage supply. high filed circuit resistance. all of these. over load. zero or very low voltage supply. high filed circuit resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Armature voltage. Armature current. Supply voltage. Field excitaion. Armature voltage. Armature current. Supply voltage. Field excitaion. ANSWER DOWNLOAD EXAMIANS APP
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