throughout its length. You would be justified in assuming that the:
Track was located on a sharp curve.
Track was to be used for high-speed traffic.
Traffic density was light.
Track's construction was faulty.
A line is tangent to a circle if it:
Touches the circumference of the circle at two points through its center.
Makes a right angle with any of the radii of the circle at its center.
Touches the circumference of the circle at two and only two points.
Makes a right angle with the radius of the circle at its circumference.
Standard gage ordinarily refers to track that, when measured at the gage line,
inches between the rails.
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 ?
(Using the following key, indicate your reaction to each of the statements.)