**Description :** A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be

**Last Answer :** A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be 474 V

**Description :** A 50 Hz, 4 pole turboalternator rated at 20 MVA. 13.2 KV has an inertia constant H = 4 KW sec/KVA. The K.E. stored in the rotor at synchronous speed is

**Last Answer :** A 50 Hz, 4 pole turboalternator rated at 20 MVA. 13.2 KV has an inertia constant H = 4 KW sec/KVA. The K.E. stored in the rotor at synchronous speed is 80 MJ

**Description :** Capacitors for power factor correction are rated in?

**Last Answer :** Capacitors for power factor correction are rated in kVAR.

**Last Answer :** A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to r.m.s. voltage.

**Description :** The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as?

**Last Answer :** The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-in torque.

**Last Answer :** More than 100%

**Description :** If a transformer is switched on to a voltage more than the rated voltage?

**Last Answer :** If a transformer is switched on to a voltage more than the rated voltage its power factor will deteriorate.

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