Electrical Machines Armature reaction effect is more in which of the following methods? same in both methods field weakening method None of these armature resistance control same in both methods field weakening method None of these armature resistance control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 36 72 37 74 36 72 37 74 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are inductively linked. electrically linked. conductively linked. mechanically linked. inductively linked. electrically linked. conductively linked. mechanically linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power developed by salient pole synchronous machine is/are excitation power only power due to saliency or reluctance only None of these both 1 and 2 excitation power only power due to saliency or reluctance only None of these both 1 and 2 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 2.56 %. 3.76%. 4.76%. 2.57 %. 2.56 %. 3.76%. 4.76%. 2.57 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance machine will generate maximum power. machine will generate maximum voltage. the voltage generated will be zero. field winding will burn. machine will generate maximum power. machine will generate maximum voltage. the voltage generated will be zero. field winding will burn. ANSWER DOWNLOAD EXAMIANS APP
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