Section lines are shown on all parts of a section, especially thin parts.
Answer the following statement true (T) or false (F)
False
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A tensile test was made on a tensile specimen, with a cylindrical gage section which had a diameter of 10 mm, and a length of 40 mm. After fracture, the length of the gage section was found to be 50 mm, the reduction in area 90 percent, and the load at fracture 1000 N. Compute:
(a) The specimen elongation. (b) The engineering fracture stress. (c) The true fracture stress, ignoring the correctyion for triaxiality at the neck. (d) The true strain at the neck.
An oil slinger is used with reciprocating compressors that are lubricated by:
A) Oil slingers are used only with scroll compressors. B) Splash lubrication. C) Pressure lubrication. D) Both splash and pressure lubrication.
Centerlines are used to show:
A. the center of a circular feature B. the axis of a cylindrical object C. symmetrical feature D. an extension line from the center of an a feature such as a door, window, or wall E. all of the above
High EGR flow results in undercalculation of the fuel and a lean air-fuel mixture, and low EGR flow drives the mixture rich.
Answer the following statement true (T) or false (F)