Lesson 2/Practice Exercise
PRACTICE EXERCISE FOR LESSON 2
Instructions
Check your understanding of Lesson 2 by completing the practice exercise. There is only one
correct answer to each question. Try to answer all of the questions without referring to the
lesson materials.
When you have completed all of the questions, turn the page and check your answers against the
correct responses. Each correct response is referenced to specific portions of the lesson material
so that you can review any questions you have missed or do not understand, before continuing to
the next lesson.
1.
What are two types of pavement?
a.
hard and medium
b.
medium and fine
c.
road mix and hot plant mix
d.
bituminous material and binder material
2.
What are the two types of preliminary treatments?
a.
bituminous coat and asphalt coat
b.
prime coat and tack coat
c.
aggregate coat and bituminous coat
d.
in-place coat and imported coat
3.
What does travel plant mixing allow?
a.
faster mixing time
b.
batch mixing
c.
exact unit weight
d.
exact percentage of component mixing
4.
Use the following information to determine the amount of aggregate in tons and the
amount of binder in gallons required for a single surface treatment.
Length of project ..............................
1/2 mile
Width of project................................
30 feet
Rate of aggregate application ............
30 lbs/sq yd
Loss factor (aggregate) .....................
10 percent
Los factor (binder) ............................
5 percent
a.
136 tons of aggregate and 2772 gallons of binder
b.
146 tons of aggregate and 2772 gallons of binder
c.
156 tons of aggregate and 7272 gallons of binder
d.
166 tons of aggregate and 7272 gallons of binder
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