What are the two main types of duct-cleaning equipment being used?
A) Units that use brushes and vacuum and units that use ultrasonic particle precipitation
B) Units that use high-velocity air and units that use sprayed cleaning compounds
C) Large truck-mounted units and small portable units
D) Ultraviolet units and ultrasonic particle precipitators
C
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A vehicle's ____________________ is a line drawn between the center of the front axle and the center of the rear axle.
Fill in the blank(s) with the appropriate word(s).
Identify the axiom or postulate that applies to the following statement. If a = 35 in, b =12 in, and c = a + b then c = 47 in
Fill in the blank(s) with the appropriate word(s).
Which of the following represents the 2's-complement for the signed number -7810?
A) 00110010 B) 01001110 C) 10110010 D) 11001110
It is permissible to remove SCBA during salvage operations after _______.
a. all remaining fire has been extinguished b. the area is clear of smoke c. the atmosphere has been tested and found safe d. the fire is extinguished