Technician A says that water will sink to the bottom of the fuel tank. Technician B says that water mixes with alcohol. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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Bricks are classified as ____ if they have cores whose area does not exceed 25 percent of the gross cross-sectional area of the brick.
A. hollow masonry B. standard masonry C. solid masonry D. standard modular
Which of the following lists the full-load currents for three-phase motors with a known winding type, horsepower, and voltage?
a. NEC Table 310.16(A) b. NEC Table 370.16(A) c. NEC Table 430.250 d. NEC Table 440.154
Amphibians are valuable indicators of environmental pollution and overall ecosystem health or habitat quality for what two reasons?
What will be an ideal response?
When refrigerants are exposed to glowing metal surfaces or flames:
A) Best practices require the use of proper eye protection. B) Lethal phosgene gas is produced. C) A respirator capable of filtering fine dust must be worn. D) Carbon monoxide is produced and should be vented.