Electrical Machines The induction motor shaft is made of mild steel. cast iron. stainless steel. aluminium. mild steel. cast iron. stainless steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of DC motor Both back emf as well as line current increase. Back emf falls and line current increase. Back emf increase but line current falls. Both back emf as well as line current fall. Both back emf as well as line current increase. Back emf falls and line current increase. Back emf increase but line current falls. Both back emf as well as line current fall. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine will share load equally. the machine with more drooping characteristic will supply less load. the machine with more drooping characteristic will supply more load. None of these the machine will share load equally. the machine with more drooping characteristic will supply less load. the machine with more drooping characteristic will supply more load. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of parallel paths. number of poles. number of pole pairs. number of commutator segments. number of parallel paths. number of poles. number of pole pairs. number of commutator segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? AC slip ring motor. DC series motor. Synchronous motor. Single phase induction motor. AC slip ring motor. DC series motor. Synchronous motor. Single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is shunt connected. cumulatively compounded. differentially compounded. separately excited. shunt connected. cumulatively compounded. differentially compounded. separately excited. ANSWER DOWNLOAD EXAMIANS APP
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