DC Motors Motor starter are essential for Avoiding excessive starting current Accelerating the motor Starting the motor Preventing fuse blowing Avoiding excessive starting current Accelerating the motor Starting the motor Preventing fuse blowing ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Series motor only Both shunt and compound motor Shunt motor only Compound motor only Series motor only Both shunt and compound motor Shunt motor only Compound motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Drum type controller is used All above can be used Four point starter is used Three point starter is used Drum type controller is used All above can be used Four point starter is used Three point starter is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Low cost Wide speed range High starting torque Stability Low cost Wide speed range High starting torque Stability ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Brake test Field's test Hopkinson's test Swinburne's test Brake test Field's test Hopkinson's test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load changes frequently Where constant operating speed is needed Where load is constant None of these Where load changes frequently Where constant operating speed is needed Where load is constant None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS