By raising the forearm in the air, index finger pointing upward and holding the hands straight, the operator will know to raise the cable on the crane.
Answer the following statement true (T) or false (F)
False
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Which of these is the most accurate test to determine the condition of a battery?
A) Hydrometer test B) Load or capacity test C) Open circuit voltage (OCV) test D) Voltage drop test
A 45-degree angle is commonly selected for manual crosshatching.
Answer the following statement true (T) or false (F)
Calculate the speed of sound for the U.S. standard atmosphere using, c ? kRT where c represents the speed of sound in m/s, k is the specific heat ratio for air (k = 1.4), and R is the gas constant for the air (R = 286.9 J/kg·K) and T represents the temperature of the air in Kelvin. The speed of sound in atmosphere is the speed at which sound propagates through the air. You may use Excel to solve this problem.
In fillet welds, the weld position is determined by the orientation of the workpiece and the _____
a. axis of the weld b. size of the weld c. profile of the weld d. convexity of the weld