Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. 1 - s. s. 2 - s. 2 + s. 1 - s. s. 2 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of dynamically induced emf is utilized in thermocouple. transformer. generator. choke. thermocouple. transformer. generator. choke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Hysteresis losses Both 1 and 2 Eddy current losses Copper losses Hysteresis losses Both 1 and 2 Eddy current losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field system of an alternator is usually excited 250 / 250 V DC. 3 - Φ, 50 Hz and 400 V. 230 V AC. 110 / 220 V AC. 250 / 250 V DC. 3 - Φ, 50 Hz and 400 V. 230 V AC. 110 / 220 V AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Operating cost is less. All of these Insulation requirement is less. Collecting of large current is simple. Operating cost is less. All of these Insulation requirement is less. Collecting of large current is simple. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 25 ppm. 35 ppm. 20 ppm. 45 ppm. 25 ppm. 35 ppm. 20 ppm. ANSWER DOWNLOAD EXAMIANS APP