Basic Engineering Drawing Set 12

What is the liner length of the entire curve that is equal to Pi x D? (D is the diameter)
(A) Chord
(B) Sector
(C) Circumferance
(D) Segment
Circumferance
What is the part of circle between any points on its circumference of periphery?
(A) Chord
(B) Arc
(C) Circumferance
(D) Segment
Arc
What is the term for longest chord of a circle?
(A) Circumference
(B) Sector
(C) Diameter
(D) Chord
Diameter
What is the term for a straight line joining ends of an arc on a circle?
(A) Circumference
(B) Sector
(C) Diameter
(D) Chord
Chord
What is the name of curve that has zero eccentricity it equal to one?
(A) Ellipse
(B) Parabola
(C) Hyperbola
(D) Circle
Circle