He is required to couple the unit and semi-trailer. What colour code is the service line?

LGV CPC Case Study

Saved Questions

Mark one answer

yellow

blue

black

red

← What security measures should he take when having a statutory break at a roadside cafe? Graham arrives at Tilbury Docks to collect the ISO container. What is the best method of securing it to the semi-trailer? →

Unlock all 700+ Official DVSA Questions, Mock Tests and 250+ Hazard Perception Videos

1

Sign Up Quickly & Easily 📝

Register with your email and set a secure password in just minutes. Gain full access to all the practice materials.
2

Complete Your Payment 💳

Make a secure one-time payment to unlock unlimited access to training material, mock tests, AI-powered questions and hazard perception videos.
3

Start Practicing 🚀

Log in and begin! Take unlimited practice tests, get instant feedback, and master every aspect of your theory test.

easy pricing

Premium Membership

£11.99 /one-off payment

Complete training course included
700+ AI-powered theory test questions
Official DVSA answers & explanations
Unlimited mock tests
250+ CGI & real-life hazard perception clips
Progress tracking, mobile-friendly & always up-to-date

Get Started Now

< Previous Question Next Question >