Electrical Machines The air gap between stator and the rotor of the 3 - φ induction motor is kept air gap does not matter. depends on the material of stator and the rotor. as wide as possible. as small as possible. air gap does not matter. depends on the material of stator and the rotor. as wide as possible. as small as possible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be less than core loss. zero. more than core loss. equal to core loss. less than core loss. zero. more than core loss. equal to core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 14 HP. 15 HP. 10 HP. 13 HP. 14 HP. 15 HP. 10 HP. 13 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers high resistance and low reactance. low resistance and low reactance. low resistance and high reactance. high resistance and high reactance. high resistance and low reactance. low resistance and low reactance. low resistance and high reactance. high resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 2.56 %. 2.57 %. 3.76%. 4.76%. 2.56 %. 2.57 %. 3.76%. 4.76%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure inductive load pure resistive load None of these pure capacitive load pure inductive load pure resistive load None of these pure capacitive load ANSWER DOWNLOAD EXAMIANS APP
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