DC Motors For constant torque drive which speed control method is preferred? Mechanical loading system Field control Shunt armature control Armature voltage control Mechanical loading system Field control Shunt armature control Armature voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be More than full-load current Less than full-load current Rated full-load current Almost negligible More than full-load current Less than full-load current Rated full-load current Almost negligible ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? Plugging None of these Rheostat braking Regenerative braking Plugging None of these Rheostat braking Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Both flux and speed Speed only Flux only None of the listed here Both flux and speed Speed only Flux 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 reduce The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will reduce The speed will remain almost/constant ANSWER DOWNLOAD EXAMIANS APP
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