The public ledger. [volume] (Maysville, Ky.) 1913-1968, 1918-07-10
QUESTIONS ASKED
OF TWO ENGINEERS
IN EXAMINATION
Examination For Position Of County
Road Engineers For Mason and
jefferson Counties.

The following questions were ask
ed the applicants for County Road En-
gineer from Mason and Jefferson
counties by the State Department of
Public Roads
1. What are your qualifications
for the position of County Road En-
gineer?
2. What equipment and what men
would be needed to operate a rock
crusher so as to secure an average
daily output of $50 cubic yards OF
crushed stone? Show in detail the
distribution of the men and the cost
of operation per day.
3. The face of limestone quarry
is vertical, IS feet high, state in de-
tail how you would drill the quarry,
showing how the holes would be
placed with respect to the face of the
the quarry, the depth of the holes
you would drill, the distance be-
tween holes and how much powder
you would use to each hole.
4. What method do you advocate
for maintaining a macadam road
which has an average daily vehicle
traffic of 200 automobiles and so two
horse wagons?
b. What method do you advocate
for maintaining a macadam road with
an average daily traffic of ten automo-
biles and 200 two-horse wagons?
5. How many cubic yards of loose
stone and cubic yards of screenings
would be required to build mile of
macadam road 16 feet wide, metal to
be seven inches thick compacted when
the road is completed, show all fig
ures?
6. What method do you advocate
for determining the size of culvert or
bridge to be installed at any place?
This question should be answered in
detail.
b. What is the average life of cor
rugated metal pipe, vitrified tile cal
vert pipe, concrete culvert pipe and
cast iron culvert pipe and under what
conditions would you advocate the in
stallation of each type of pipe?
Z. Suppose that your Fiscal Court
proposed to build reinforced con-
crete culvert located seven miles from
the county seat of the county and that
all material had to be hauled from the
county seat of the county to the site
of the proposed work. Having the
prevailing prices of labor and mater
ial as they exist in your county. show
in detail about what the cost of a
cubic yard of 1:2:4 concrete would be
in place.
8. Describe in detail the building
of new macadam road on a fill, sup
posing that the subgrade is fiat, has
been rolled and is ready for placing
the metal Show the method for get
ting the material to build the shout
ders and placing each course of new
stone and finally completing the road
metal to be seven inches deep wher
road is completed.
8. A macadam road surface 16 fee
wide has an average of one hole t.
every 30 square feet, the holes are
about the size of an ordinary hat. in
vestigation shows that where there
are no holes the metal has an aver
age thickness of inches, the road il
subjected to heavy automobile traf
flc something like an average of 30J
automobiles per day and about tel
buggies, what should you think ough
to be done to the road? The answe
to this question should be in detail.
10. Describe in detail the metho,
of mixing and placing concrete b,
hand. On what class of work shoul,
1924 Concrete be used? 1:2la:5 mix
ture be used and 1876 mixture b
used?
Mr. and Mrs. Abner Best of Chi