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 In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T is independent of P T∝ P² T∝ P³ T∝ P T is independent of P T∝ P² T∝ P³ T∝ P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally Infinitely large. around 500 ohms. Low. 1000 ohms. Infinitely large. around 500 ohms. Low. 1000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Both B and C. Differential compound motors. Shunt motors. Series motors. Both B and C. Differential compound motors. Shunt motors. Series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as zoom. magnetostriction. boo. hum. zoom. magnetostriction. boo. hum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 10Ω 50Ω 200Ω 100Ω 10Ω 50Ω 200Ω 100Ω ANSWER DOWNLOAD EXAMIANS APP