DC Motors The iron loss in dc motor depends on None of the listed here Speed only Both flux and speed Flux only None of the listed here Speed only Both flux and speed Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Efficient Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Economical Efficient Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Economical ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens This will make armature to take heavy current, possibly burning it Motor will come to stop This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor This will make armature to take heavy current, possibly burning it Motor will come to stop This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor 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? Hopkinson's test Swinburne's test Field test Brake test Hopkinson's test Swinburne's test Field test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to Rotor laminations Commutator Pole shoes End plates Rotor laminations Commutator Pole shoes End plates ANSWER DOWNLOAD EXAMIANS APP