A. proportional to the armature current
B. proportional to the square of the armature current
C. proportional to field current
D. inversely proportional to the armature current
A. 100% of the previous value
B. 50% of the previous value
C. 25% of the previous value
D. 10% of the previous value
E. none of the above
A. the torque required
B. the speed of the motor
C. the voltage across the terminals
D. none of the above
A. the power drawn in kW
B. the power drawn in kVA
C. the gross power
D. the output power available at the shaft
A. Series motor
B. Shunt motor
C. Cumulatively compounded ‘motor
D. Differentially compounded motor
A. Series motor
B. Shunt motor
C. Cumulatively compounded motor
D. Differentially compounded motor
A. nothing will happen to the motor
B. this will make armature to take heavy current, possibly burning it
C. this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses D. motor will run at very slow speed
A. where load is constant
B. where load changes frequently
C. where constant operating speed is needed
D. in none of the above situations
A. shunt
B. series
C. differentially compounded
D. cumulativelyc’ompounded