MCQ in Power Generators / Sources / Principles and Applications Part 4 – Answers

Below are the answers key for the Multiple Choice Questions in Power Generators/Sources/Principles and Applications – MCQS Part 4.

151. speed

152. magnetizing current is greatly increased

153. cause voltage drop in the windings

154. both flux and speed

155. copper loss

156. dirt on the commutator

157. apparent power

158. magnetization curve

159. revolving field type construction

160. 3 phase induction motor

161. worn bearings

162. lack of dirty lubricant

163. an open armature coil

164. remains the same

165. silicon steel

166. wrought iron

167. the same as

168. high voltage winding

169. magnetic field

170. armature winding

171. 4 pole

172. shorter magnetic path

173. compound machine

174. facilitate commutation

175. one half of

176. armature

177. 1

178. 2

179. 85%

180. eddy current loss

181. number of poles

182. number of coils

183. flat compounded

184. series

185. commutator path

186.  complex effects of armature reaction

187. wave

188. number of poles

189. 95%

190. twice the pole pitch

191. 6

192. both speed and flux

193. more weight than

194. slip

195. 2% to 5%

196. a separate dc source is required for field circuit

197. decreased the total flux

198. weakens the flux at the leading

199. copper loss

200. magnetic material of high permeability

The Series

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQs in Electronics Engineering per topic

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