ASE-Style Multiple Choice
All of the following are components of an air filter EXCEPT:
A. the baffle
B. the diaphragm
C. the flexible tubing
D. the quiet zone
Answer: B
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For dc circuits and ac circuits containing only noninductive resistance, the conductance is the ____________________ of the resistance.
Fill in the blank(s) with the appropriate word(s).
Saturated water vapor at 25°C (Psat = 3.17 kPa) flows in a pipe that passes through air at 25°C with a relative humidity of 40 percent. The vapor is vented to the atmosphere through a 9-mm internal-diameter tube that extends 10 m into the air. The diffusion coefficient of vapor through air is 2.5 × 10?5 m2/s. The amount of water vapor lost to the atmosphere through this individual tube by diffusion is
(a) 1.7?×?10?6 kg (b) 2.3?×?10?6 kg (c) 3.8?×?10?6 kg (d) 5.0?×?10?6 kg (e) 7.1?×?10?6 kg
If the air-fuel ratio is 14.7:1, which of the following is the Lambda?
A) 0.9 B) 14.7 C) 1.0 D) 1.1