Problem 1.14 Two hydraulic cylinders are used to control the position of the robotic arm ABC. Knowing that the control rods attached at A and D each have a 20-mm diameter and happen to be parallel in the position shown, determine the average normal stress in (a) member AE, (b) member DG.
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Identify the axiom or postulate that applies to the following statement. If m = n, then m- z = n- z
Fill in the blank(s) with the appropriate word(s).
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Technician A says that the research octane number is higher than the motor octane number. Technician B says that the octane rating posted on fuel pumps is an average of the two ratings. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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Four wheel hydraulic brake systems were introduced in _______
A) 1922 B) 1893 C) 1940 D) 1900
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The largest single digit in the decimal number system is ________
A) 1 B) 9 C) ? D) 10
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