Lesson 1
ANSWER SHEET FOR PRACTICE EXERCISE
Learning Event
1.
Mission, equipment available, raw material,
processing required, and a flow chart of material
through the facility
1
2.
The mission indicates the size and amount of
rock product required and the time required to
complete the job. The product size may be
specified at a maximum top size or as graded
product size.
1
3.
Stage of reduction is the difference in maximum
input and maximum output size of material
(expressed in inches or centimeters) due to a
single crushing action.
2
4.
Damming and splitting may be used.
2
5.
75-tph plant
3
6.
Set No. 1
3
7.
Particle size reduction, separation of particles
into size ranges, elimination of undesirable
materials, movement of material from one place
to another
2
8.
About 960 gallons of water per minute
4
9.
The plant's efficiency and productivity depend
on a good plant layout. Once the plant starts
operation, rearranging layout becomes extremely
difficult and may be impossible since plants can
seldom be shut down for this reason.
5
10.
A network for haul units to bring rock from the
quarry; a network for trucks hauling product to
construction sites; and a network for service
vehicles
5
11.
Preliminary earthwork; hardstands; and retaining
and wing wall construction
6
12.
Blocked and leveled
6
40
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