In leak detection, R-22 is used in conjunction with which of the following?
A) Visual inspection B) Electronic detection
C) Ultrasound D) Soap bubbles
B
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What is "Shake hands with danger" ?
A. a fact of life in the modern workplace B. a novel by Mark Twain C. a top C&W hit song D. a workplace safety training video
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The R-value of a building assembly is influenced by the inside and outside air films. The sum of the R-values of these two films (Rsi +Rso) is approximately equal to
A) 5.0. B) 0.1. C) 1.0. D) 10.0. E) none of the above.
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Layering is a method of _____
A) stacking seeds B) asexual reproduction C) budding D) producing vegetables
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This is a type of foundation system that uses a column to support the loads of the structure:
A. footing B. stem wall C. piling D. slab E. retaining wall
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