Ontario DZ Practice Test 02 questions
and answers graded A+
Turn off the engine - correct answer ✔✔Which statement is false? Prior to the
uncoupling/coupling procedure, you must always remember...
Turn off the engine
Roll down windows and turn off any audio systems
Confirm the location is suitable and safe for uncoupling and coupling the truck and trailer
Sound your horn before backing (electric horn only if during the road test)
No - correct answer ✔✔Are you allowed to operate a vehicle or combination of vehicles on a
highway when its gross weight exceeds the maximum weight permitted?
Only for a trip of 160 km from the home base
Yes
Only within city limits
No
24-hour period - correct answer ✔✔A driver is required to complete a vehicle inspection
every...
12-hour period
48-hour period
18-hour period
24-hour period
Out-of-adjustment air brakes - correct answer ✔✔What is the most common reason for taking a
commercial vehicle out of service?
, Broken piston
Broken wheel hub
Low compression
Out-of-adjustment air brakes
1.5 millimetres - correct answer ✔✔The rear tire of a motor vehicle must not have less than
how many millimetres of tread measured in two adjacent tread grooves?
1.5 millimetres
1.8 millimetres
2.5 millimetres
0.5 millimetres
Blue and red - correct answer ✔✔The industry standard colours for the air hoses are...
Black and red
Green and yellow
Blue and red
Blue and yellow
80 km - correct answer ✔✔The vehicle's cargo must be inspected to ensure it is secure before
driving the vehicle not more than how many km from the point where the cargo was loaded?
80 km
120 km
100 km
60 km
and answers graded A+
Turn off the engine - correct answer ✔✔Which statement is false? Prior to the
uncoupling/coupling procedure, you must always remember...
Turn off the engine
Roll down windows and turn off any audio systems
Confirm the location is suitable and safe for uncoupling and coupling the truck and trailer
Sound your horn before backing (electric horn only if during the road test)
No - correct answer ✔✔Are you allowed to operate a vehicle or combination of vehicles on a
highway when its gross weight exceeds the maximum weight permitted?
Only for a trip of 160 km from the home base
Yes
Only within city limits
No
24-hour period - correct answer ✔✔A driver is required to complete a vehicle inspection
every...
12-hour period
48-hour period
18-hour period
24-hour period
Out-of-adjustment air brakes - correct answer ✔✔What is the most common reason for taking a
commercial vehicle out of service?
, Broken piston
Broken wheel hub
Low compression
Out-of-adjustment air brakes
1.5 millimetres - correct answer ✔✔The rear tire of a motor vehicle must not have less than
how many millimetres of tread measured in two adjacent tread grooves?
1.5 millimetres
1.8 millimetres
2.5 millimetres
0.5 millimetres
Blue and red - correct answer ✔✔The industry standard colours for the air hoses are...
Black and red
Green and yellow
Blue and red
Blue and yellow
80 km - correct answer ✔✔The vehicle's cargo must be inspected to ensure it is secure before
driving the vehicle not more than how many km from the point where the cargo was loaded?
80 km
120 km
100 km
60 km
