Electrical Machines Slot wedges in a dc machine is made up of silicon steel. mild steel. cast iron. fibre. silicon steel. mild steel. cast iron. fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC shunt motor. DC series motor. DC series generator. DC shunt generator. DC shunt motor. DC series motor. DC series generator. DC shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The volt-ampere euation for a long-shunt compound motor is given by Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs Vt= Ea + Iara Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs Vt= Ea + Iara ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. continue running in the same direction as before. run in a direction opposite to previous one. not run. get damaged. continue running in the same direction as before. run in a direction opposite to previous one. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power will be developed when back emf is double the supply voltage. All of these half of the supply voltage. equal to supply voltage. double the supply voltage. All of these half of the supply voltage. equal to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of all of below. less maintenance. simple in construction. less cost. all of below. less maintenance. simple in construction. less cost. ANSWER DOWNLOAD EXAMIANS APP
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