Electrical Machines The 3 - Φ induction motor with rotor circuit open will get over heated. run normally. not run. make noise. get over heated. run normally. not run. make noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be 6 V somewhat less than 230 V 230 V somewhat more than 230 V 6 V somewhat less than 230 V 230 V somewhat more than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of less cost. all of below. simple in construction. less maintenance. less cost. all of below. simple in construction. less maintenance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by f / s. sf / 2. sf. s2. f / s. sf / 2. sf. s2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. has no relation. none of these. inversely. directly. has no relation. none of these. inversely. directly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. ANSWER DOWNLOAD EXAMIANS APP
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