Question

In a DC machine fractional pitch winding is used to _______________

a.

To improve cooling

b.

To reduce sparking

c.

To reduce copper losses

d.

To increase generated EMF

Posted under DC Machines

Answer: (b).To reduce sparking

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In a DC machine fractional pitch winding is used to _______________

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. In normal dc machines operating at full-load conditions, the most powerful electromagnet is _________

Q. If a DC motor is connected to AC supply what will happen then?

Q. The armature of DC motor is laminated to ____________

Q. Why are the DC motors preferred for traction applications?

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

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

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

Q. Separately excited DC generators are still used in _________________

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

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

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

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

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

Q. Which type motors are preferred for lathes?

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

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

Q. Which motor is preferred in highly explosive atmosphere?

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

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

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

Recommended Subjects

Are you eager to expand your knowledge beyond DC Machines? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!