Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 18.25%. 15.30%. 16.67%. 14.28%. 18.25%. 15.30%. 16.67%. 14.28%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Straight line through the origin. Circle about the origin. Rectangular hyperbola Straight line parallel to the speed axis. Straight line through the origin. Circle about the origin. Rectangular hyperbola Straight line parallel to the speed axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Motor frame. Field. Armature. Coupling mounted on the shaft. Motor frame. Field. Armature. Coupling mounted on the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Power drawn in KW. Power drawn in KVA. Gross power. Output power at the shaft. Power drawn in KW. Power drawn in KVA. Gross power. Output power at the shaft. 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
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