Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to f2 f V2 V f2 f V2 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss windage and friction loss core loss only both 1 and 2 Copper loss windage and friction loss core loss only both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to two winding transformer with secondary short circuited. auto transformer. None of these two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. auto transformer. None of these two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 3.76%. 2.57 %. 2.56 %. 4.76%. 3.76%. 2.57 %. 2.56 %. 4.76%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as an induction generator None of these an induction motor a synchronous motor an induction generator None of these an induction motor a synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened DC Shunt Motor The motor will attain dangerously high speed. The armature current will reduce. The speed of motor will be reduced. DC Shunt Motor The motor will attain dangerously high speed. The armature current will reduce. The speed of motor will be reduced. ANSWER DOWNLOAD EXAMIANS APP
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