Fillets are interior rounded intersections between two surfaces.
Answer the following statement true (T) or false (F)
True
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____, also known as engine knocking, is the explosion of highly compressed air and the unburned fuel mixture in the cylinder.
a. Ignition b. Exhaust c. Detonation d. Atomization
Which of the following is a common type of team?
A) Audit B) Preservation C) Function D) Disciplinary
Which of the following is the purpose of vibration isolation pads?
A) They maintain airflow around the unit. B) They absorb shock. C) They keep the unit in place. D) They reduce sound.
Oxygen is never used to purge an HVAC system because _____
a. oxygen will contaminate the system b. an explosion could occur under certain conditions c. oxygen contains too much moisture d. oxygen is too expensive to use for that purpose