Electrical Machines Eddy current loss will depends on Flux density Frequency Thickness All of these Flux density Frequency Thickness All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is employed in DC machine of low current and high voltage rating. high current and low voltage rating. low current and low voltage rating. high current and low voltage rating. low current and high voltage rating. high current and low voltage rating. low current and low voltage rating. high current and low voltage rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A small air gap in poly phase induction motor helps to reduce chance of cogging. reduce magnetizing current. reduce chance of crawling. increase starting torque. reduce chance of cogging. reduce magnetizing current. reduce chance of crawling. increase starting torque. ANSWER DOWNLOAD EXAMIANS APP
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 ? 14.28%. 18.25%. 16.67%. 15.30%. 14.28%. 18.25%. 16.67%. 15.30%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? DC series motor. Single phase induction motor. Synchronous motor. AC slip ring motor. DC series motor. Single phase induction motor. Synchronous motor. AC slip ring motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a 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. Straight line through the origin. Circle about the origin. ANSWER DOWNLOAD EXAMIANS APP
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