Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant speed. torque. current. power. speed. torque. current. power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of stainless steel. mild steel. aluminium. cast iron. stainless steel. mild steel. aluminium. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 13 HP. 14 HP. 10 HP. 15 HP. 13 HP. 14 HP. 10 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : Interpoles in dc machines 1. reducearmature reaction effects in the interpolar region 2. have the same dimension as main polls 3. have their windings connected in series with the armature 4. have same number of turns as the armature 5. have the polarity same as that of the main pole ahead in a motor From these, the correct statements are 1, 3 and 5 1, 2 and 3 1 and 3 1, 2, 3 and 5 1, 3 and 5 1, 2 and 3 1 and 3 1, 2, 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. directly. none of these. has no relation. inversely. directly. none of these. has no relation. inversely. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Field. Armature. Motor frame. Coupling mounted on the shaft. Field. Armature. Motor frame. ANSWER DOWNLOAD EXAMIANS APP
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