What does I stand for in the following equation (m is mass and r is distance): I - fr^2 dm
a. mass moment of Inertia
b. Intensity
c. Inductance
d. Internal volume
a. mass moment of Inertia
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In the standard welding symbol, the _____ line is used to apply weld symbols and other data.
A. reference B. refer C. standard D. common
Newton's Third law states that for every ____________________there is an equal and ____________________reaction.
Fill in the blank(s) with the appropriate word(s).
A welder saw cuts this length of steel angle into 6 equal pieces. What is the length of each piece? Disregard waste caused by the saw cuts. Round the answer to two decimal places.
Answer the following statement(s) true (T) or false (F)
1. Star-delta motor starting is sometimes called double-delta starting. 2. Star-delta motors are similar in construction to standard squirrel cage motors. 3. Star-delta motors may be used where a reduced starting current is required. 4. A disadvantage of open transition starting is that it does not require accessory voltage reducing equipment. 5. Closed transition starting is accomplished by adding another three pole contactor and resistors to the circuit.