are often described as straightened-out coil springs
What will be an ideal response?
Torsion bars
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The five-minute rating serves many purposes as a method of production analysis except _____.
a. measuring the effectivness of the crew b. conveying the number and extent of job delays c. determining the output of specific equipment d. showing how detail planning yields lower costs
Draw the shapes for the following weld symbols: fillet, square, bevel, V, I, J
What will be an ideal response?
Given the following choices, one end or the other of a valley jack rafter connects to a ________ or a ________
A) Ridge board, top plate B) Valley rafter, ridge board C) Ridge board, hip rafter D) Cripple jack rafter, ridge board
?Which of these is an advantage of a thermostatically controlled tankless electric water heater?
A. ?It enables easy removal of the internal coil heat exchanger for cleaning. B. ?It has a large reserve of domestic water in the assembly that inhibits biological growth. C. ?It takes advantage of low initial temperatures when domestic water heating begins. D. ?It uses fewer valves than traditional pressurized tank thermal storage.