31. Which of the following motors is preferred for boom hoist of a traveling crane?
32. The traveling speed of cranes varies from
33. Flame proof motors are used in
34. Which of the following machines has heavy fluctuation of load?
35. In series motor which of the following methods can be used for changing the flux per pole?
Read More Section(Industrial Drivers)
Each Section contains maximum 70 questions. To get more questions visit other sections.