Explain the general purpose of a compound curve and a reverse curve.
What will be an ideal response?
Compound curves are used whenever it is necessary to change the radius of a curve, such as curving around obstacles, boundaries, or changes in terrain. Reverse curves are used whenever it is necessary to reverse the direction of an alignment, but are avoided when possible in roadway design because of safety factors.
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During World War II, American Indians
A. demanded that President Roosevelt end discrimination in defense industries. B. rarely enlisted in the armed forces. C. moved south to replace African American laborers. D. moved off reservations in large numbers. E. promoted recovery of tribal languages.
Lycopene is a carotenoid giving tomatoes their red color
Indicate whether the statement is true or false
How is the camshaft actuator controlled?
A) Spring loaded to the correct position based on engine speed B) Pulse width modulated (PWM) signal C) On only when conditions are right D) Vacuum controlled valve
For installation of wood siding, the best option as fasteners are ________
A) Stainless steel nails B) Finish nails C) Hot-dipped galvanized nails. D) Aluminum nails