DC Motors The speed of a dc motor is Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Produce flat characteristics Decrease speed Increase speed Reduce sparking Produce flat characteristics Decrease speed Increase speed Reduce sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will reduce The speed will remain almost/constant The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will reduce The speed will remain almost/constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Field's test Hopkinson's test Swinburne's test Brake test Field's test Hopkinson's test Swinburne's test Brake test ANSWER DOWNLOAD EXAMIANS APP
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