In the accompanying figure, angle 1 = angle 2 = 33o. What is angle 3?
A. 33o
B. 55o
C. 66o
D. 77o
Answer: C
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Each foot of duct offers a known resistance to airflow which is called ____________________.
Fill in the blank(s) with the appropriate word(s).
Technician A says an ABS antilock system decreases pressure to the hydraulic brake circuits on wheels with excessive wheel slippage during deceleration. Technician B says a traction control system increases pressure to the hydraulic brake circuit on wheels with excessive wheel slippage during acceleration. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The mixing valve controls the temperature of water supplied to the:
A) Cooler. B) Radiant loop. C) Boiler. D) Supply pump.
Illumination is the ____ of light reaching a task or work surface.
A. glow B. brightness C. color D. quantity