If the supply voltage for a D.C. motor is increased, which of the following will decrease ?
If the supply voltage for a D.C. motor is increased, which of the following will decrease ?
April 2022
Which one of the following is not the function of pole shoes in a D.C. machine ?
Which one of the following is not the function of pole shoes in a D.C. machine ?
Which one of the following is not the function of pole shoes in a D.C. machine ? Read More »
Which of the following motor is preferred for operation in highly explosive atmosphere ?
Which of the following motor is preferred for operation in highly explosive atmosphere ?
Which of the following motor is preferred for operation in highly explosive atmosphere ? Read More »
In case of conductively compensated D.C. series motors, the compensating winding is provided
In case of conductively compensated D.C. series motors, the compensating winding is provided
Sparking at the commutator of a D.C. motor may result in
Sparking at the commutator of a D.C. motor may result in
Sparking at the commutator of a D.C. motor may result in Read More »
For the same H.P. rating and full load speed, following motor has poor starting torque
For the same H.P. rating and full load speed, following motor has poor starting torque
For the same H.P. rating and full load speed, following motor has poor starting torque Read More »
If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens Read More »
Which D.C. motor will be suitable along with flywheel for intermittent light and heavy loads?
Which D.C. motor will be suitable along with flywheel for intermittent light and heavy loads?
The power mentioned on the name plate of an electric motor indicates
The power mentioned on the name plate of an electric motor indicates
The power mentioned on the name plate of an electric motor indicates Read More »