♡ Login
Home
Previous Papers
★
MCQs
Electrical Engineering
DC Machines
the dummy coils in DC machines are ...
Que.
the dummy coils in DC machines are useful to
A.
increase the efficiency
B.
improve the commutation
C.
reduce the cost of machine
D.
maintain mechanical balance of armature
Right Answer is :
✓ D. maintain mechanical balance of armature
⚑ Report
Views 👍 :3.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ in DC machines, the air gap flux ...
➣ the air gap between the yolk and ...
➣ the DC motor most suitable for applications ...
➣ what are slot wedges in a DC ...
➣ in a DC machine the sparking between ...
➣ when the mechanical power developed by a ...
➣ a thicker wire is used in DC ...
➣ in a DC machine, the space waveform ...
➣ the internal characteristic of a DC generator ...
➣ an ideal DC generator has a regulation ...
❖ Take a qick MCQ Test on
➤ Transmission and Distribution of Electrical Power
➤ DC Machines
➤ Electrical Power Generation and Economic Consideration
➤ Microprocessors
➤ Electrical Machine Design
➤ Control System
➤ Electrical Engineering Material
➤ Electronic and Electrical Measurements and Instruments