DC Motors In D.C. shunt motors as load is reduced 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 The speed will increase in proportion to reduction in load The speed will remain almost/constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Armature voltage control Field control Shunt armature control Mechanical loading system Armature voltage control Field control Shunt armature control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? Regenerative braking Rheostat braking None of these Plugging Regenerative braking Rheostat braking None of these Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for 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 Shunt, compound and series motors All D.C. motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by Interchanging field terminals None of these Either of (A) and (B) above Interchanging supply terminals Interchanging field terminals None of these Either of (A) and (B) above Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP