A welder has an order for 12 pieces of angle iron, each 2 1/16” long. What is the total length of the angle needed to complete the order, in inches? Disregard waste per cut.
What will be an ideal response?
ANS: 24 3/4
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Which is the correct formula for finding power?
A) P = V2 ÷ R B) P = I2 × R C) P = V × I D) all of these
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Speed control of a DC motor is much smoother if two separate ____________________, which convert the AC voltage to DC voltage, are used to control the motor.
Fill in the blank(s) with the appropriate word(s).
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When building a stair with a total rise of 7'-7", the number of risers required and their unit rise is _____.
a. 11 risers, each 7-1/2" high b. 12 risers, each 7" high c. 13 risers, each 7" high d. 14 risers, each, 7-1/4" high
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Large pores usually contain air, smaller pores usually contain ____________________
Fill in the blank(s) with correct word
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