CDL Vehicle Combination Practice Test

Question: 1 / 400

What is an indicator of poor trailer coupling?

An even load distribution

Unusual noise during driving

An unusual noise during driving is a significant indicator of poor trailer coupling. When a trailer is not properly coupled to the towing vehicle, several issues can arise, including improper weight distribution and instability. This can lead to sounds such as clunking or rattling, which indicate that the trailer is not securely attached or may be shifting. Identifying these unusual noises early can prevent further damage to the vehicle and trailer and enhance safety on the road.

In contrast, an even load distribution generally implies that the trailer is properly loaded and coupled, while consistent braking response suggests that the braking system is functioning as intended. Increased fuel consumption might be related to several factors, but it is not a direct indicator of how well a trailer is coupled to the vehicle.

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Increased fuel consumption

Consistent braking response

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