What is the maximum service oversize dimension permitted for a standard 16.5 inch brake drum?
A. 0.060-inch
B. 0.090-inch
C. 0.120-inch
D. 0.180-inch
Answer: C
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____ is a water-based wood preservative that prevents decay from fungi and insects.
A. Bardac-treatment B. Alkaline Copper Quat C. Chromated Copper Arsenate D. Copper Azole
The ill effects of acidity in subsoils can be ameliorated by adding gypsum (CaSO4 • 2H2O) to the soil surface. Which of the following most likely helps account for this effect?
A) Sulfate ions from the gypsum react with H ions in the subsoil to form H2SO4. B) Gypsum stimulates root growth in the surface soil horizons. C) Gypsum dissolves and leaches downward, increasing the Ca/Al ratio in the soil solution in subsoil layers. D) Calcium from the gypsum replaces hydrogen from colloids in the subsoil thereby increasing the soil pH. E) The gypsum replaces hydrogen from colloids which moves down the profile and decreases the pH of the subsoil layers.
If IR1 = 75 mA and IR2 = 12.7 mA in a two branch parallel circuit, IT = 85.7 mA
Indicate whether the statement is true or false
A strong steel safety cable used to connect two compressed-air hoses, or a hose and tools, is called a _____
a. backlash preventer b. guard cable c. tool lockdown d. whip check