Q. Which of the following load application normally needs starting torque more than the rated torque?

View solution

Q. Which of the following motors can be used to drive the rotary compressor?

View solution

Q. Which DC motor is used with flywheel for intermittent light and heavy loads?

View solution

Q. Separately excited DC generators are still used in _________________

View solution

Q. In world today, around 25% of the motors are manufactured are DC motors.

View solution

Q. Maximum torque in a DC machine is limited by ______________

View solution

Q. Which of the following motor can replace DC series motor?

View solution

Q. Which motor has almost replaced DC shunt motor from its applications?

View solution

Q. DC shunt motor is still used instead of synchronous motor in _____________

View solution

Q. Which type motors are preferred for lathes?

View solution

Q. When an electric train is moving down a hill, the DC motor will operate as ____________

View solution

Q. Nowadays, DC motor is widely used only in ____________

View solution

Q. Which motor is preferred in highly explosive atmosphere?

View solution

Q. For which of the following operations a DC motor is preferred over an AC motor?

View solution

Q. The armature in DC machines is always placed on rotor because _______

View solution

Q. In a DC machine, rectification provided with commutator is ___________

View solution

Q. Commutator performs rectification so that output of the machine is bi-directional.

View solution

Q. Which of the following method is used to connect commutator segments to armature conductors?

View solution

Q. In D.C. generators, rapid brush ware causes due to _________

View solution

Q. What are the number of the brushes in the lap winding?

View solution