DC Motors The friction and windage losses in a dc motor depends upon Armature current Flux Speed Field and armature resistance Armature current Flux Speed Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase abruptly The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will reduce The speed will increase abruptly The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will reduce 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 ______ motors never use belt connected loads. Shunt Series Cummulative compounded Differentially compounded Shunt Series Cummulative compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Armature reaction Field excitation None of the listed here Load Armature reaction Field excitation None of the listed here Load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient Economical ANSWER DOWNLOAD EXAMIANS APP