DC Motors The variable resistor shunting the field of a dc series motor is called a Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Suitable for getting speeds above the normal Efficient Unsuitable for rapidly changing loads Economical Suitable for getting speeds above the normal Efficient Unsuitable for rapidly changing loads Economical ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is simple in construction Provides fine speed control Is cheap None of the listed here Is simple in construction Provides fine speed control Is cheap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. 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 Above the normal speed only None of the listed here Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Series Cummulative compounded Shunt Differentially compounded Series Cummulative compounded Shunt Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They reduce armature reaction They reduce sparking They have longer life They have lower resistance They reduce armature reaction They reduce sparking They have longer life They have lower resistance ANSWER DOWNLOAD EXAMIANS APP