PTE Listening

Multiple Choice, Single Answer

1 questions. Answer them all, then submit once for your section score.

Pearson Test of English — TestDayTwin Practice

1 of 1Time Remaining00:06:00

Listen to the recording and answer the question.

According to the speaker, why do modern rail lines use continuous welded rail instead of the older jointed track design?

Welded rail is cheaper to manufacture than jointed segmentsPre-tensioning and firm anchoring let welded rail resist expansion without gapsJointed track was banned due to safety regulationsContinuous rail requires no maintenance once installed