143. Q.-May a train which overtakes its schedule after once becoming twelve hours late, assume it again without orders to do so?

144. Q.-May it if it receives an order to do so?

145. Q.-What must be ascertained before a train leaves its initial station, or a junction, or passes from double to single track?

146. Q.-How is this usually ascertained?

147. Q.-Must the proper signal be given before a train starts?

148. Q.-Must the signal be given by the person authorized or who is in charge of the train?

149. Q.-When a train of one schedule is on the time of another schedule in the same direction and of the same class, what will it do?

150. Q.-May trains of one schedule pass trains of another schedule of the same class? 151. Q.-May extras pass extras?

152. Q.-Must an inferior train clear the time of a superior train in the same direction?

153. Q.-How much must the inferior train clear the time of the superior train?

154. Q.-When must an inferior train be

clear of the time of a first-class train in the same direction?

155. Q. How will an inferior train be governed with respect to an opposing superior train?

156. Q. How much must an inferior train clear the time of an opposing superior train? 157. Q.-If the inferior train fails to clear the main track by the time required by rule, what must be done?

158. Q.-Must extra trains clear the time of regular trains?

159. Q.-How will extra trains be governed with respect to opposing extra trains?

160. Q.-At meeting points between trains of the same class, when must the train in the inferior direction be clear?

161. Q.-When extra trains meet which extra must take the siding?

162. Q.-Must trains pull into the siding, when possible?

163. Q.—If a train cannot pull into the siding, .what must be done?

164. Q.-How much must an inferior train clear the time of a superior train at meeting points?

165. Q. When must trains of the same class stop at schedule meeting stations?

166. Q. When the expected train of the same class is not found at the schedule meeting point, what must the superior train do?

167. Q.-At what point must the superior train stop, in case it is necessary to stop?

168. Q.-Why is Rule 90 necessary?

169. Q.-Where no form of block signals is used, how far apart must trains moving in the same direction keep?

170. Q.-Is there any exception to the above? If so, what?

171. Q.-May a train arrive at a station ahead of its schedule arriving time?

172. Q.-May a train leave a station ahead of its schedule leaving time?

173. Q.-How must extra trains move through yard limits?

174. Q.-Against what trains may the main track be used within yard limits, by protecting?

175. Q. What class trains must move through yard limits prepared to stop?

176. Q.-If one train overtakes another train

disabled so that it cannot move, what will

it do?

177. Q.-Is it necessary to exchange schedules and orders in every case?

178. Q.-When the disabled train is ready to proceed, what will it do?

179. Q.-When a train unable to proceed against the right or schedule of an opposing train, is overtaken between telegraph stations by an inferior train or a train of the same class having right or schedule which permits it to proceed, what action will be taken?

180. Q.-If opposing trains are met under such circumstances, what must be done?

181. Q.-May more than one train be run on the same schedule?

182. Q.-Has each section equal time-table authority?

183. Q.-May a train display signals without orders from the train dispatcher?

184. Q. When signals displayed for a section are taken down at any point before that section arrives, what action will the conductor take?

185. Q.-May extra trains be run without orders from the train dispatcher?

186. Q. How must trains approach the end of double track, junctions, railroad crossings at grade and drawbridges?

187. Q.-Must trains stop where required by law?

188. Q. When must the flagman go back to protect the rear end of train?

189. Q. How far must the flagman go back? 190. Q.-May he return when recalled?

191. Q. What must he do before he returns? 192. Q.-How must the front of the train be protected when necessary?

193. Q.—When flagman goes back to protect rear of train who will take his place?

194. Q.-When a train parts while in motion, what must be done?

195. Q.-What signal must be given?

196. Q.-May the detached portion be moved before the head end returns?

197. Q.-What precaution will be taken when cars are being pushed by an engine?

198. Q.-Is this necessary when making up trains in yard?

199. Q.-How must information concerning the condition of track or bridges be given?