Electrical Machines The output power of any electrical motor is taken from the Armature. Field. Coupling mounted on the shaft. Motor frame. Armature. Field. Coupling mounted on the shaft. Motor frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production None of these both A and B. dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor electromagnetic torque developed is Inversely proportional to the armature current. Proportional to the square of armature current. None of above. Proportional to the armature current. Inversely proportional to the armature current. Proportional to the square of armature current. None of above. Proportional to the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of both 1 and 2. emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these both 1 and 2. emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mechanical power is developed by a DC motor is maximum when back emf is equal to applied voltage. none of above. back emf is equal to twice of applied voltage. back emf is equal to half of applied voltage. back emf is equal to applied voltage. none of above. back emf is equal to twice of applied voltage. back emf is equal to half of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following losses are negligible in blocked rotor test? both A and B copper loss mechanical loss iron loss both A and B copper loss mechanical loss iron loss ANSWER DOWNLOAD EXAMIANS APP
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