Floor systems of commercial buildings are of two types; one type, an ____, is made of poured-in-place concrete.
A. on-mark floor system
B. on-grade floor system
C. off-grade floor system
D. off-mark floor system
Answer: B
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For the following cell pattern,
(a) Find the reuse distance if radius of each cell is 2 km.
(b) If each channel is multiplexed among 8 users, how many calls can be
simultaneously processed by each cell if only 10 channels per cell are
reserved for control, assuming a total bandwidth of 30 MHz is available
and each simplex channel consists of 25 kHz?
(c) If each user keeps a traffic channel busy for an average of 5% time and an
average of 60 requests per hour are generated, what is the Erlang value
What device uses a series of corrugated plate packs at an inclined angle in a vessel to separate oil, water, and solids?
A. API separator B. Parallel plate interceptor C. Corrugated plate interceptors D. Circular mechanical clarifier
If greasesweep is used to absorb an oil spill, dispose of it in a regular trash can.
Answer the following statement true (T) or false (F)
A vehicle tends to lock up the rear wheels during hard braking. Technician A says that the metering valve may be defective. Technician B says the proportioning valve may be defective. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician