DC Motors The variable resistor shunting the field of a dc series motor is called a Armature divertor Potential divider Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Less than full-load current Rated full-load current Almost negligible More than full-load current Less than full-load current Rated full-load current Almost negligible More than full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Shunt motor Battery operated motor Air motor Series motor Shunt motor Battery operated motor Air motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Dynamic braking None of these Plugging Regenerative Dynamic braking None of these Plugging Regenerative ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Faraday's law Lenz's law Coloumb's law Fleming's left hand rule Faraday's law Lenz's law Coloumb's law Fleming's left hand rule ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive motor vibration is caused by Open armature coil Too much brush tension Worn bearings Bent shaft Open armature coil Too much brush tension Worn bearings Bent shaft ANSWER DOWNLOAD EXAMIANS APP
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