Which of the following surfaces is generated only by a curved line and has no straight-line elements?
a. Warped surface
b. Single-curved surface
c. Ruled surface
d. Torus
e. Cube
d
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For brick making, two or more kinds of clay and shale may be mixed together to obtain a material having the proper consistency and composition.
Answer the following statement true (T) or false (F)
There are design specifications for the minimum sight distance (distance to see an approachÂing vehicle measured along the roadway from the intersection of the two roadways) that a driver stopped at a stop sign must have to safely enter a roadway where vehicles do not stop. Values in the table below are for safe entry to cross the roadway (not to turn onto the other roadway but to cross) where vehicles do not stop.
 FIGURE 1.png)
(a) Plot a graph with design speed as the independent variable.
(b) Determine the equation of the relationship using the method of selected points.
(c) Determine the equation of the relationship using computer-assisted methods.
(d) Predict the slight distance required at 55 mph.
Light is important in producing new plants from cuttings
Indicate whether the statement is true or false
Technician A says that the surface tension of cured paint makes it scratch-resistant. Technician B says that surface tension only exists on liquids. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B