Which of the following are requirements for design of kitchen exhaust ducts serving grease hoods? Select all that apply.
A) Must be enclosed in fire-rated construction with fire dampers at the duct entries.
B) Should be routed as direct to outdoors as practical.
C) Ductwork must be constructed of stainless steel.
D) Access panels must be installed for cleaning.
B) Should be routed as direct to outdoors as practical.
D) Access panels must be installed for cleaning.
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The manifold absolute pressure (MAP) sensor monitors engine load.
Answer the following statement true (T) or false (F)
A stone-honeycomb panel is anchored to the backup wall using ________.
A) epoxy cement. B) stainless steel bolts. C) separate dead-load supports and tiebacks. D) two interlocking metal channels.
One of the advantages of a fixed metering device is _____.
a. its ability to handle unusual load conditions b. that the amount of liquid subcooling doesn’t matter c. it makes systems operate more efficiently than an adjustable metering device d. its low cost
Two technicians are discussing how to loosen bleeder valves. Technician A says that a shock is usually necessary to break the taper at the base of the valve. Technician B says to apply steady, loosening torque to the bleeder valve using a 6-point wrench. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician