Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. DC compound motor. DC Shunt motor. Synchronous motor. DC series motor. DC compound motor. DC Shunt motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For 250 volt DC Shunt Motor the armature and field resistance are 0.5 ohm and 250 ohm respectively. What will be the back e.m.f. produced when it takes a load current of 21A. 220 V. 240 V. 150 V. 280 V. 220 V. 240 V. 150 V. 280 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? Armature current. Applied voltage. Field flux. All of these. Armature current. Applied voltage. Field flux. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 4.76%. 3.76%. 2.56 %. 2.57 %. 4.76%. 3.76%. 2.56 %. 2.57 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC compound motor. DC shunt and level Compound motor. DC series motor. DC Shunt motor. DC compound motor. DC shunt and level Compound motor. DC series motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS