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 remain almost/constant The speed will reduce The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will reduce ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving None of the listed here Shear and punches Machine tools Cranes and hoists None of the listed here Shear and punches Machine tools Cranes and hoists ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Of higher H.P. should be selected Of lower H.P. should be selected Can be used for 50°C ambient temperature also Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Of higher H.P. should be selected Of lower H.P. should be selected Can be used for 50°C ambient temperature also ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Burn due to heat produced in the field winding by eddy currents Run at lower speed Not run Run at normal speed Burn due to heat produced in the field winding by eddy currents Run at lower speed Not run Run at normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Opposes the applied voltage Aids the armature current Aids the applied voltage None of the listed here Opposes the applied voltage Aids the armature current Aids the applied voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Either series or shunt None of the listed here Shunt motor Series motor Either series or shunt None of the listed here Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
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