DC Motors The speed of a dc motor is inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Brake test Swinburne's test Field test Hopkinson's test Brake test Swinburne's test Field test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 4.0 0.5 1.0 2.0 4.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Field control Shunt armature control Armature voltage control Mechanical loading system Field control Shunt armature control Armature voltage control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds Above the normal speed only None of the listed here Above as well as below the normal speed Below the normal speed only Above the normal speed only None of the listed here Above as well as below the normal speed Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? Induction motor C. series motor Reluctance motor C. shunt motor Induction motor C. series motor Reluctance motor C. shunt motor ANSWER DOWNLOAD EXAMIANS APP