Name the line type displayed on a print using a series on long and alternating short dashes to show or locate the centers of symmetrical objects; as a crossing horizontal and vertical line to show the center of a circular feature; represent the axis of a cylindrical object; to show the center of a feature; as an extension line from the center of an a feature such as a door, window, or wall; and a method for showing beams and headers on plans.
What will be an ideal response?
centerlines
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The data shown below were obtained by time-lapse photography on a highway. Use regression analysis to fit these data to the Greenshields model and determine (a) the mean free speed, (b) the jam density, (c) the capacity, and (d) the speed at maximum flow.
What will be an ideal response?
The "rule of thumb" to ensure an extension ladder has the correct angle is: The base of the ladder must be _____________' from the wall for every____________' of ladder length.
A. 1, 3 B. 1, 4 C. 1, 5 D. 1, 6
When the front and rear wheels of a forklift can move in opposite directions, the vehicle is said to have
_____. a. opposed steering b. articulated steering c. crab steering d. variable steering
An oscilloscope display indicates that the period of a digital pulse train is 40 ?s. What is frequency of this waveform?
A) 40 MHz B) 2.5 kHz C) 25 kHz D) Cannot be answered from the information provided.