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单选题 What is the purpose of the work done by subgrade workers
学科：行业英语-铁路
时间：2025-07-09 00:53:08
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题目1单选题
What characteristic is emphasized about railway maintenance workersA. They work only during good weather conditionsB. They have a weak sense of responsibilityC. They often change jobs frequentlyD. They are dedicated and committed to their work, regardless of weather conditions
题目2单选题
What is the responsibility of subgrade workers in maintaining the subgradeA. To repair the railway tracksB. To repair broken bridges and tunnelsC. To regularly patrol, maintain, and repair subgrade drainage facilities and protective reinforcement equipmentD. To manage train schedules
题目3单选题
What are the common defects of concrete tiesA. Rolling contact fatigue fissures, wear, corrosionB. Crazing, shoulder damage, and chipping of bottom edgeC. Mud pumping, dirtiness, settlementD. Poor alignment, wear on the frog and wing rails
题目4单选题
What is the function of reinforcement equipment in a railway trackA. To connect the joints between railsB. To support the rail and fix it in placeC. To prevent track creeping and ensure the stability of the track structureD. To enable rolling stock to move from one track to another
题目5单选题
What are the two main parts of a railway tunnelA. The superstructure and the substructureB. The main structure and the auxiliary structureC. The tunnel body and the tunnel portalD. The drainage system and the ventilation equipment
题目6单选题
What is the metaphor used to describe flaw detection workersA. Primary doctors of the railway lineB. Ultrasound doctors of the railwayC. Woodpeckers of tunnels and bridgesD. Guardians of the railway subgrade
题目7单选题
What is the purpose of the work done by subgrade workersA. To detect rail damage using rail flaw detectorsB. To formulate maintenance and repair plans for tracksC. To inspect and patrol the railway subgrade to prevent and address issuesD. To repair bridges and tunnels in long, dark tunnels
题目8单选题
What are some common slope protection measuresA. Tunnel constructionB. Plant protection and stone slope protectionC. Train speed limitsD. Underground drainage equipment
题目9单选题
What is the primary factor that determines the speed of high-speed trainsA. The size of the trainB. The quality of the railway subgradeC. The smoothness of the tracksD. The number of passengers on board
题目10单选题
What are some common defects that can appear in concrete tiesA. Only dirtiness and settlementB. Transverse fissures and shoulder damageC. Rusting and corrosionD. Wear from train wheels
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