Back to Alberta
Alberta Class 7 Practice Test
Full test preview Question 1 of 30
0 answered 30 remaining
Passing target: 83.3% (25/30)
Vehicle ReadinessStandalone practice
How do under-inflated tires affect a vehicle?
Two matched tire illustrations on equal display pads. The left tire has ordinary sidewall deflection; the right tire shows extra sidewall flex. No pressure value is assigned from appearance.
Correct answer: Increase fuel use and tire wear, and reduce traction
Why
Check tire pressure regularly against the vehicle manufacturer's recommendation. Underinflation can increase fuel consumption and wear while reducing traction; the maximum stamped on a tire is not automatically the vehicle's recommended pressure.
Verified against Driver's Guide - Cars and Light Trucks · Responsible Driving · p. 95
Report a question issueContinue learning
Related Alberta questions
How far should a driver sit from the steering wheel when the seat and controls allow it?What gap behind your head does the Alberta guide describe as ideal when the head restraint can tilt?According to the Alberta guide, where should the centre of an adjustable head restraint be?What should you adjust before putting the vehicle in motion?What should a driver look for during a pre-drive walkaround?What should a driver do when animals may enter the roadway?