When placing plumbing in wood framing, holes bored into joists must not exceed _____ of the joist depth.
A. 1/8
B. 1/4
C. 1/3
D. 1/2
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. The geometric characteristic symbols are a set of fourteen symbols used in the language of geometric tolerancing. 2. A flatness tolerance can control form, orientation, or location. 3. Geometric tolerances are specified on a drawing through the use of a feature control frame. 4. When specifying a datum related control, the feature control frame may have up to five compartments. 5. The method of showing an extension line between two coplanar surfaces indicates that the surfaces are a single surface.
A reamer tapers 0.130" along a 4.250" length as shown in the accompanying figure. Set up a proportion and determine length A in inches if the taper in length A is 0.085 inches. Express the answer rounded to three decimal places.
A. 2.556 B. 2.609 C. 2.779 D. 2.983
The total volume of the oceans on Earth is 1.35 x 1018 m3. What are the masses of the following elements in the Ocean in units of kg?
a. Oxygen, O, for which the concentration in the seawater is 857,000 ppm b. Hydrogen, H, for which the concentration in the seawater is 108,000 ppm c. Sodium, Na, for which the concentration in the seawater is 10,500 ppm What will be an ideal response?
____________________ measures the ease of electron flow through the reactance of an ac circuit.
Fill in the blank(s) with the appropriate word(s).