DC Motors For a D.C. shunt motor if the excitation is changed Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Differentially compounded motor Cumulatively compounded motor Shunt motor Series motor Differentially compounded motor Cumulatively compounded motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Accelerating the motor Starting the motor Preventing fuse blowing Avoiding excessive starting current Accelerating the motor Starting the motor Preventing fuse blowing Avoiding excessive starting current ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around All of these Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. Full load Rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Provides fine speed control Is simple in construction Is cheap None of the listed here Provides fine speed control Is simple in construction Is cheap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run as a generator Motor is run at reduced speed Motor is reversed in direction None of the listed here Motor is run as a generator Motor is run at reduced speed Motor is reversed in direction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS