____ filters are made of porous, coarse fibers coated with an adhesive substance that captures particles in the air.
A. Dry-type extended surface air
B. Viscous impingement fibrous panel
C. Electrostatic precipitation
D. Combination air cleaner
Answer: B
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In the accompanying figure, the synchronous motor is started as an induction motor by ____ the start button
a. pulling b. releasing c. disconnecting d. pressing
What is a measure of effectiveness?
A. Number of comebacks B. Number of vehicles done on time at the estimated price C. Customer satisfaction survey results D. All of the above
The most commonly used strength of concrete for the slab-on-ground in concrete tilt-up wall buildings is _______.
A) 6,000 psi. B) 5,000 psi. C) 4,000 psi. D) 3,000 psi. E) 2,000 psi.
A duct blaster is used
A) To install duct runs in approximately half the time of conventional methods B) To install takeoffs onto plenums using high velocity and percussive force C) To clean duct systems with high velocity air D) To measure the amount of air leakage in a duct system