Thirty-four steel boxes are used for a certain wiring job. In each box, five 1-inch holes are drilled. In twenty-three of the boxes, two 13/4-inch holes are drilled, and the remaining boxes have three 11/2-inch holes drilled in them. How many holes are drilled in all the boxes?

Fill in the blank(s) with the appropriate word(s).


249

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One mole of air, initially at 150°C and 8 bar, undergoes the following mechanically reversible changes. It expands isothermally to a pressure such that when it is cooled at constant volume to 50°C its final pressure is 3 bar. Assuming air is an ideal gas for which and calculate W, Q, ?U, and ?H.

What will be an ideal response?

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A freezestat is a _____.

a. normally closed bimetal switch b. normally open bimetal switch c. digital control d. thermostat that has seized

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Fertilization can be used to increase flower production in trees, shrubs, and flowering plants

Indicate whether the statement is true or false

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When the number 0.67 is entered into a calculator, it is necessary to enter the zero to the left of the number into the calculator.

Answer the following statement true (T) or false (F)

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