DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking None of the listed here Plugging Rheostatic braking Regenerative braking None of the listed here Plugging Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Series motor Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor Cumulatively compounded motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current increases When the field current increases By interpoles When the armature current decreases When the armature current increases When the field current increases By interpoles When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? All of these Full-load current Operating speed Starting torque All of these Full-load current Operating speed Starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors Shunt as well as compound motors All D.C. motors Shunt, compound and series motors Shunt motors Shunt as well as compound motors All D.C. motors Shunt, compound and series motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
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