DC Motors The starting resistance of a DC motor is generally Around 500 Ω 1000 Ω Infinitely large Low Around 500 Ω 1000 Ω Infinitely large Low ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Swinburne's test Brake test Hopkinson's test Field's test Swinburne's test Brake test Hopkinson's test Field's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to both (A) and (B) None of these armature current only field flux only both (A) and (B) None of these armature current only field flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced 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 The speed will increase in proportion to reduction in load The speed will increase abruptly ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Full load Rated r.p.m. Rated voltage All of these Full load Rated r.p.m. Rated voltage All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The armature circuit is opened. The load is increase The field is opened Load is removed The armature circuit is opened. The load is increase The field is opened Load is removed ANSWER DOWNLOAD EXAMIANS APP