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

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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

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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)

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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

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