Electrical Machines From no load to full load the slip will slightly decrease. slightly increase. not change. None of these slightly decrease. slightly increase. not change. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The results of a slip test for determining direct axis (Xd) and quadrature axis (Xq) reactances of a star connected salient pole alternator are given below Phase values: Vmax = 108 V ; Vmin = 96 V Imax = 12 A ; Imin = 10 A Hence the two reactances will be Xd = 8Ω and Xq = 10.8Ω Xd = 9.6Ω and Xq = 9Ω Xd = 9Ω and Xq = 9.6Ω Xd = 10.8Ω and Xq = 8Ω Xd = 8Ω and Xq = 10.8Ω Xd = 9.6Ω and Xq = 9Ω Xd = 9Ω and Xq = 9.6Ω Xd = 10.8Ω and Xq = 8Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Open type. Totally enclosed fan coiled. Splash proof. Drip proof. Open type. Totally enclosed fan coiled. Splash proof. Drip proof. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? rotor reactance X rotor resistance R both 1 and 2 None of these rotor reactance X rotor resistance R both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp? 15 N. 20 N. Can't be determined. None of these. 15 N. 20 N. Can't be determined. None of these. ANSWER DOWNLOAD EXAMIANS APP
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