DC Motors A three point starter is considered suitable for Shunt, compound and series motors All D.C. motors Shunt as well as compound motors Shunt motors Shunt, compound and series motors All D.C. motors Shunt as well as compound motors Shunt motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Armature winding Field winding Slip rings Commutator Armature winding Field winding Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is None of these Mutually induced e.m.f. Self-induced e.m.f. Back e.m.f. None of these Mutually induced e.m.f. Self-induced e.m.f. Back e.m.f. 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 remain almost/constant The speed will increase abruptly The speed will reduce The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will increase abruptly The speed will reduce ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will remain constant Torque will change but power will remain constant Torque, power and speed, all will change Torque and power both will change Torque will remain constant Torque will change but power will remain constant Torque, power and speed, all will change Torque and power both will change ANSWER DOWNLOAD EXAMIANS APP
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