Give three rules of line precedence?
What will be an ideal response?
Object lines take precedence over hidden lines and centerlines.
Hidden lines take precedence over centerlines.
In sectioning, cutting plane lines take precedence over centerlines.
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Photoelectric sensors used for automotive engines are called ____________________ sensors because they actually sense two things.
Fill in the blank(s) with the appropriate word(s).
Which of the following should never be worn by someone applying chemicals?
a. rubber gloves c. leather shoes b. safety goggles d. respirator
Studies have shown that the traffic flow on a two-lane road adjacent to a school can be described by the Greenshields model. A length of 0.5 mi adjacent to a school is described as a school zone (see Figure 6.19) and operates for a period of 30 min just before the start of school and just after the close of school. The posted speed limit for the school zone during its operation is 15 mi/h. Data collected at the site when the school zone is not in operation show that the jam density and mean free speed for each lane are 125 veh/mi and 57 mi/h. If the demand flow on the highway at the times of operation of the school zone is 90% of the capacity of the highway, determine: (i) The speeds of the shock waves created by the operation of the school zone (ii) The number of vehicles affected by the
school zone during this 30- minute operation What will be an ideal response?
Structure E is the
A) adrenal gland.
B) parathyroid gland.
C) ovary.
D) stomach.
E) pancreas.