Which is the correct removal sequence of the equipment in the fully mechanized working face? ( ) A: Scraper conveyor, double-drum shearer, retractable belt conveyor, hydraulic support B: Double-drum shearer, retractable belt conveyor, scraper conveyor, hydraulic support C: Double-drum shearer, scraper conveyor, retractable belt conveyor, hydraulic support D: Retractable belt conveyor, double-drum shearer, scraper conveyor, hydraulic support

SCREW CONVEYOR中译是____,ERECTOR中译是____

What are the main selection of equipment in the fully mechanized working face? ( ) A: Selection of fully mechanized support B: Selection of Shearer C: Selection of face conveyor D: Selection of conveyor in gateway

The capacity of lane transportation equipment shall be less than that of scraper conveyor in working face.

告知人员远离传送系统。 A: Tell personnel to stay away from the conveyor system. B: Leave a verbal statement to personnel to stay away from the conveyer system. C: Warn personnel to stay away from the conveyor system.

Iron ore can’t commonly be loaded with___. A: conveyor belts B: grabs C: chutes D: slings

Which of the following is not a common type of rise coal haulage ( )? A: Pipeline haulage B: Belt conveyor haulage C: Tramcar haulage D: Autogenous haulage

Which of the following belongs to the transportation mode of inclined shaft development method?( ) A: The other three options all meet the requirements B: Trip C: Skip and trolley D: Belt conveyor

When listening “Please put your luggage on the conveyor belt and use the bins for small objects”,what procedure are you going through? A: Baggage search B: Passport control C: Personal inspection

Your baggage is transported by conveyor belt into the baggage system and is scanned by the TSA to see if_________. A: the luggage tag is taped at the right place B: there are any prohibited items C: the baggage exceeds the weight limit D: the baggage exceeds the space limit