Weight

throughout its length. You would be justified in assuming that the:

A.

Track was located on a sharp curve.

B.

Track was to be used for high-speed traffic.

C.

Traffic density was light.

D.

Track's construction was faulty.

4

14.

A line is tangent to a circle if it:

A.

Touches the circumference of the circle at two points through its center.

B.

Makes a right angle with any of the radii of the circle at its center.

C.

Touches the circumference of the circle at two and only two points.

D.

Makes a right angle with the radius of the circle at its circumference.

4

15.

Standard gage ordinarily refers to track that, when measured at the gage line,

is

inches between the rails.

A.

54 1/8.

B.

54 1/4.

C.

56 1/2.

D.

60.

4

16.

A railroad has a grade of 1.7 percent. If the horizontal distance between two

points on the grade is

200 feet, what is the

difference in elevation (E

on the sketch) between

them ?

A.

2.5 ft.

B.

3.4 ft.

C.

8.6 ft.

D.

10.7 ft.

Analytical

(Using the following key, indicate your reaction to each of the statements.)