Electrical Machines The 3 - Φ induction motor with rotor circuit open will not run. get over heated. run normally. make noise. not run. get over heated. run normally. make noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are None of these both 1 and 2 reduce cross magnetization effect and improve commutation nullify reactance voltage and improve the commutation. None of these both 1 and 2 reduce cross magnetization effect and improve commutation nullify reactance voltage and improve the commutation. 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. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola 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 alternator, the rotary part is magnetic field poles. none of these. armature. core. magnetic field poles. none of these. armature. core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Value of specific electric loading of Induction motor is in the range of 5000 - 45000 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 40 - 400 ampere conductor / metre. ANSWER DOWNLOAD EXAMIANS APP
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