DC Motors Which method of braking is generally used in elevators? Regenerative braking Plugging Rheostat braking None of these Regenerative braking Plugging Rheostat braking None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt, compound and series motors All D.C. motors Shunt as well as compound motors Shunt motors Shunt, compound and series motors All D.C. motors Shunt as well as compound motors Shunt motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Armature divertor Voltage regulator Potential divider Field divertor Armature divertor Voltage regulator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at Full load Half full load None of the listed here No load Full load Half full load None of the listed here No load ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Full load All of these Rated voltage Rated r.p.m. Full load All of these Rated voltage Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS