DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Slip rings Commutator Field winding Armature winding Slip rings Commutator Field winding Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to the motor This will make armature to take heavy current, possibly burning it Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to the motor This will make armature to take heavy current, possibly burning it ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Series motor Shunt motor Air motor Battery operated motor Series motor Shunt motor Air motor Battery operated motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides Constant voltage drive Constant torque drive Constant current drive None of the listed here Constant voltage drive Constant torque drive Constant current drive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Brake test Hopkinson's test Field test Swinburne's test Brake test Hopkinson's test Field test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Electric traction Pumping sets Air compressors Machine shops Electric traction Pumping sets Air compressors Machine shops ANSWER DOWNLOAD EXAMIANS APP
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