DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is Infinity 1000 rpm 2000 rpm 4000 rpm Infinity 1000 rpm 2000 rpm 4000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where constant operating speed is needed None of these Where load is constant Where load changes frequently Where constant operating speed is needed None of these Where load is constant Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? Reluctance motor C. shunt motor C. series motor Induction motor Reluctance motor C. shunt motor C. series motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally Infinitely large 1000 Ω Around 500 Ω Low Infinitely large 1000 Ω Around 500 Ω Low ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS