Electrical Machines The armature reaction mmf in a DC machines has a form of sinusoidal. trapezoidal. triangular. rectangular. sinusoidal. trapezoidal. triangular. rectangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? Both B and C. Permanent magnets. None of the options. Electromagnets. Both B and C. Permanent magnets. None of the options. Electromagnets. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable load. variable supply voltage. windage friction. variable frequency. variable load. variable supply voltage. windage friction. variable frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase any of the two machines machine A none of these machine B any of the two machines machine A none of these machine B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short-shunt cumulatively-compounded dc generator builds up a voltage of 220 V at no load at rated speed. If it is operated as a differentially compounded generator, other things remaining the same, it would build up 220 V more than 220 V 6 V somewhat less than 220 V 220 V more than 220 V 6 V somewhat less than 220 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their leakage reactance. rating. efficiency. percentage impedance. leakage reactance. rating. efficiency. percentage impedance. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS