Electrical Machines Which type of motors are preferred in lifts? DC series motors. DC shunt motors. DC compound motors. None of these DC series motors. DC shunt motors. DC compound motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes twice the initial value 1/4 of the intial value 4 time the initial value 1/2 of the initial value twice the initial value 1/4 of the intial value 4 time the initial value 1/2 of the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages locking tendency is reduced. less noise. uniform torque. all of below. locking tendency is reduced. less noise. uniform torque. all of below. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance, leakage reactance and armature reaction. armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance, leakage reactance and armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature reaction mmf in a DC machines has a form of trapezoidal. rectangular. triangular. sinusoidal. trapezoidal. rectangular. triangular. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Ampere's law. Fleming's right hand rule. Lenz's law. Fleming's left hand rule. Ampere's law. Fleming's right hand rule. Lenz's law. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
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