A concrete ____ is often used for the floor system of residential or commercial structures.
A. base
B. slab
C. core
D. apron
Answer: B
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One way to prevent chemical contaminants from degrading a building’s indoor air quality is to _____.
a. apply pesticides when a minimum number of people are occupying the building b. disinfect and sanitize water-damaged carpets and upholstery c. continuously monitor CO2 levels in unoccupied sections of the building d. locate outside air intakes away from where motor vehicle emissions collect
?While discussing boost pressures: Technician A says during certain operating conditions, mainline pressure must be boosted. Technician B says increased pressure is needed to hold brakes and clutches more tightly, such as in reverse or high load conditions. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B
Which of the following is true of short-circuiting arc metal transfer in the overhead position?
A. It has a large molten weld pool size. B. It has less molten weld pool sag. C. It has more undercut and fewer icicles. D. It has less efficient metal transfer and more spatter.
What is the method of connecting multiple electronic devices to transmit data?
What will be an ideal response?