HLT 306V WEEK 4 TOPIC 4 ASSIGNMENT 1
2026 COMPLETE QUESTIONS AND ANSWERS
GRADED A+ FULL SOLUTION
◉ During a PM inspection a broken radiator fan shroud is noticed.
Which of the following could cause this damage?!
Loose fan belts
A failed fan hub clutch
A broken engine mount
An out of balance fan assembly. Answer: A broken engine mount
◉ During a PM inspection the steering wheel binds when turned.
What could cause this condition?!
Excessive sector gear to ball nut clearance in the steering gear
Worn king pin bushings
Worn steering shaft universal joints
Worn tie rod ends. Answer: Worn steering shaft universal joints
◉ Although any loose or missing bolts should be tightened or
replaced when noticed, what percentage of fifth wheel mounting
bracket to frame fasteners can be loose or missing before the tractor
must be placed out of service?!
,10%
20%
30%
40%. Answer: 20%
◉ What type of tubing must be used in hydraulic brake systems?!
Single wall thickness steel tubing
Double wall thickness steel tubing
Single wall thickness copper tubing
Double wall thickness copper tubing. Answer: Double wall thickness
steel tubing
◉ When cutting with an oxy-acetylene torch, what should you see in
the steel before depressing the cutting lever?!
A small liquid puddle
A change in steel colour
A change in steel colour to red
A change in flame colour to red. Answer: A small liquid puddle
◉ What is the reading on this 2-3" imperial micrometer?!
2.341"
2.016"
,2.516"
2.041". Answer: 2.341"
◉ What tool should be used to measure the air filter restriction?!
A water manometer
A vacuum gauge
A mercury manometer
A pressure gauge. Answer: A water manometer
◉ When lengthening a truck frame, at what angle should the frame
be cut?!
30 degrees to the frame centreline
60 degrees to the frame centreline
90 degrees to the frame centreline
120 degrees to the frame centreline. Answer: 60 degrees to the
frame centreline
◉ When a truck has been involved in an offset front end collision,
what type of frame damage would be expected?!
Diamond damage
Twist damage
Sideway damage
, Sag and bow damage. Answer: Diamond damage
◉ When installing a reinforcement plate on a truck frame, how
should the bolt holes be located?!
In a vertical row
In a staggered bolt pattern
Close to the upper frame flange
Along each edge of the plate. Answer: In a staggered bolt pattern
◉ What should be used to lubricate the rack and slide path of a
sliding fifth wheel?!
All purpose grease
SAE 30 engine oil
Water resistant lithium based grease
Mixture of light oil and diesel fuel. Answer: Mixture of light oil and
diesel fuel
◉ When will the ride height control valve supply more air to the air
springs?!
When more load is applied to the truck
When less load is applied to the truck
When uneven terrain is encountered
2026 COMPLETE QUESTIONS AND ANSWERS
GRADED A+ FULL SOLUTION
◉ During a PM inspection a broken radiator fan shroud is noticed.
Which of the following could cause this damage?!
Loose fan belts
A failed fan hub clutch
A broken engine mount
An out of balance fan assembly. Answer: A broken engine mount
◉ During a PM inspection the steering wheel binds when turned.
What could cause this condition?!
Excessive sector gear to ball nut clearance in the steering gear
Worn king pin bushings
Worn steering shaft universal joints
Worn tie rod ends. Answer: Worn steering shaft universal joints
◉ Although any loose or missing bolts should be tightened or
replaced when noticed, what percentage of fifth wheel mounting
bracket to frame fasteners can be loose or missing before the tractor
must be placed out of service?!
,10%
20%
30%
40%. Answer: 20%
◉ What type of tubing must be used in hydraulic brake systems?!
Single wall thickness steel tubing
Double wall thickness steel tubing
Single wall thickness copper tubing
Double wall thickness copper tubing. Answer: Double wall thickness
steel tubing
◉ When cutting with an oxy-acetylene torch, what should you see in
the steel before depressing the cutting lever?!
A small liquid puddle
A change in steel colour
A change in steel colour to red
A change in flame colour to red. Answer: A small liquid puddle
◉ What is the reading on this 2-3" imperial micrometer?!
2.341"
2.016"
,2.516"
2.041". Answer: 2.341"
◉ What tool should be used to measure the air filter restriction?!
A water manometer
A vacuum gauge
A mercury manometer
A pressure gauge. Answer: A water manometer
◉ When lengthening a truck frame, at what angle should the frame
be cut?!
30 degrees to the frame centreline
60 degrees to the frame centreline
90 degrees to the frame centreline
120 degrees to the frame centreline. Answer: 60 degrees to the
frame centreline
◉ When a truck has been involved in an offset front end collision,
what type of frame damage would be expected?!
Diamond damage
Twist damage
Sideway damage
, Sag and bow damage. Answer: Diamond damage
◉ When installing a reinforcement plate on a truck frame, how
should the bolt holes be located?!
In a vertical row
In a staggered bolt pattern
Close to the upper frame flange
Along each edge of the plate. Answer: In a staggered bolt pattern
◉ What should be used to lubricate the rack and slide path of a
sliding fifth wheel?!
All purpose grease
SAE 30 engine oil
Water resistant lithium based grease
Mixture of light oil and diesel fuel. Answer: Mixture of light oil and
diesel fuel
◉ When will the ride height control valve supply more air to the air
springs?!
When more load is applied to the truck
When less load is applied to the truck
When uneven terrain is encountered
