DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds None of the listed here Above as well as below the normal speed Above the normal speed only Below the normal speed only None of the listed here Above as well as below the normal speed Above the normal speed only Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? High starting torque Low cost Wide speed range Stability High starting torque Low cost Wide speed range Stability 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 power drawn in kVA The gross power The power drawn in kW The output power available at the shaft The power drawn in kVA The gross power The power drawn in kW ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Armature current Field and armature resistance Flux Speed Armature current Field and armature resistance Flux Speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Series motor Shunt motor Cumulatively compounded motor Differentially compounded motor Series motor Shunt motor Cumulatively compounded motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP