In Contention-Free Random Access (CFRA), the RA preamble is sent on the beam associated with best SSB beam and uses the Random Access parameters associated with such SSB Beam.
a. true
b. false
Answer: a. true
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An electrical resistance heater is placed inside a hollow cylinder. The heater has a surface temperature of 500°F, while the inside of the cylinder is maintained at 80°F. If the surface area of the heater is 1.25 ft2, and the emissivity of the heater is 0.90, what is the net rate of radiation heat transfer from the heater?
Given: Ts = 500°F = 960 R; Tsurr = 80°F = 540 R; A = 1.25 ft2; ?= 0.90 What will be an ideal response?
Which of the following is a category of positive-displacement compressors?
A) Axial B) Rotary C) Centrifugal D) Dynamic
What does ANSI stand for?
a. Association for Normalization and Standards in Industry b. American National Standards in Industry c. American National Standards Institute d. American Nuclear Science Institute e. Association of Nerds in Science and Industry
Some pump casings require a particular _____ for tightening the casing nuts
A) sequence B) stud C) amount of time D) tool