Electrical Machines Dynamic braking can be used for shunt motors. All of these compound motors. series motors. shunt motors. All of these compound motors. series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is 150 Ω. 225 Ω. 145 Ω. 375 Ω. 150 Ω. 225 Ω. 145 Ω. 375 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region increases with increase in the load torque. decreases with increase in the load torque. remains constant. decreases with decrease in the load torque. increases with increase in the load torque. decreases with increase in the load torque. remains constant. decreases with decrease in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Fleming's left hand rule. Lenz's law. Ampere's law. Fleming's right hand rule. Fleming's left hand rule. Lenz's law. Ampere's law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and the flux of a DC motor are held constant and voltage applied across its armature is increased by 5%, the speed of the motor will remain unchanged. reduce by 5 %. depend on other factors. increase by 5 %. remain unchanged. reduce by 5 %. depend on other factors. increase by 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of silicon steel. carbon. cast iron. stainless steel. silicon steel. carbon. cast iron. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
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