Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 2 Hz. 10 Hz. 3 Hz. 50 Hz. 2 Hz. 10 Hz. 3 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc series motor. dc shunt motor with field weakening. dc compound motor. dc shunt with armature resistance control. dc series motor. dc shunt motor with field weakening. dc compound motor. dc shunt with armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? power factor of load None of these both 1 and 2 magnitude of load current power factor of load None of these both 1 and 2 magnitude of load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When R2 is rotor resistance, X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condition will be R2 = s2X2. sR2 = X2. R2 = s2X2. R2 = sX2. R2 = s2X2. sR2 = X2. R2 = s2X2. R2 = sX2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 10Ω 200Ω 50Ω 100Ω 10Ω 200Ω 50Ω 100Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 200 - 250 W. 10 - 20 W. 250 - 500 W. 50 - 150 W. 200 - 250 W. 10 - 20 W. 250 - 500 W. 50 - 150 W. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS