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USN Road Grader Practice Exam
Practice mode
Question
1
of 10
QUESTION 1 / 10
Why is ditching generally performed on the right side of the grader?
Choose one answer below.
A
The machine has better stability on that side
✓
B
The grader has a better reach on that side
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C
It is easier to see on that side
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D
It aligns with the highway regulations
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QUESTION 2 / 10
What is the name of the cylinder that is attached to the back of the moldboard and connected to the circle?
Choose one answer below.
A
Angle Cylinder
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B
Blade Pitch Cylinder
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C
Lift Cylinder
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D
Roll Cylinder
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QUESTION 3 / 10
How long do you crank the engine if the temperature is between -1 and -25 degrees?
Choose one answer below.
A
30 seconds
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B
60 seconds
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C
90 seconds
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D
120 seconds
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QUESTION 4 / 10
During which situation should the road grader's blade be kept raised?
Choose one answer below.
A
When approaching a hill
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B
While reversing
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C
When driving on rough terrain
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D
When driving on smooth surfaces
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QUESTION 5 / 10
Which of the following is NOT a recommended use for a grader?
Choose one answer below.
A
Grading Roads
✓
B
Heavy Excavation
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C
Snow Removal
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D
Building Ditches
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QUESTION 6 / 10
Why should you never adjust the moldboard height when using a road grader?
Choose one answer below.
A
The moldboard is too heavy
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B
The heel is under the main frame
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C
It causes uneven grading
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D
It increases fuel consumption
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QUESTION 7 / 10
What advantage does the turbocharged feature provide to the engine of the grader?
Choose one answer below.
A
Increased fuel consumption
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B
Improved horsepower and efficiency
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C
Lower operating temperatures
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D
Reduced noise levels
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QUESTION 8 / 10
What should an operator do if the grader starts to skid?
Choose one answer below.
A
Accelerate to regain control
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B
Reduce speed and adjust the blade angle for better traction
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C
Turn the grader sharply to correct direction
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D
Ignore it, as it is a normal occurrence
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QUESTION 9 / 10
What is a crucial step in daily maintenance of a road grader?
Choose one answer below.
A
Inspecting the tires for damage
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B
Cleaning the operator's cabin
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C
Refueling the vehicle
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D
Adjusting the blade height
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QUESTION 10 / 10
What is one of the primary reasons to avoid backing up with leaned wheels?
Choose one answer below.
A
It can lead to tipping
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B
It improves visibility
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C
It speeds up the grading process
✓
D
It reduces wear on the tires
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