DC Motors The main disadvantage of the Ward-Leonard control method is High initial cost High maintenance cost Low efficiency at high loads All of these High initial cost High maintenance cost Low efficiency at high loads All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where constant operating speed is needed Where load changes frequently None of these Where load is constant Where constant operating speed is needed Where load changes frequently None of these Where load is constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Stability High starting torque Wide speed range Low cost Stability High starting torque Wide speed range Low cost ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Both shunt and compound motor Series motor only Shunt motor only Compound motor only Both shunt and compound motor Series motor only Shunt motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will remain almost/constant The speed will reduce The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will remain almost/constant The speed will reduce ANSWER DOWNLOAD EXAMIANS APP
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