When sizing fuel gas piping for larger systems, the length of piping from meter to farthest appliance is increased by what percentage to allow for fittings in the pipe run?
a. 50%
b. 25%
c. 75%
d. 10%
ANSWER: a
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Digital to Binary to Digital Conversions. Consider the following worksheet that converts the specified decimal digit in A3 into its 4-bit binary representation in C3:F3 and the specified 4-bit binary sequence in A7:D7 into its decimal equivalent in F7.
a. What is the Excel formula in E3?
b. What is the Excel formula in F7?
?Which of the following is not an advantage of welded piping systems?
A. ?lighter weight B. ?smoother flow C. ?corrosion free D. ?longer lasting
Several alternatives are under consideration to enhance security at a county jail. Since the alternatives serve different areas of the facility, all that are economically attractive will be implemented. Determine which one(s) should be selected, based on a B/C analysis using an interest rate of 7% per year and a 10-year study period.
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Technician A says that in a self-energizing brake, the rotation of the drum decreases the braking force of the lining against the drum. Technician B says that the force of the brake drum is added to the force supplied by the wheel cylinder. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B