Air Compressor General Knowledge Flashcards
An air compressor with one cylinder and one piston is called a ?
single stage air compressor.
To prevent flammable gases from being drawn into the compressor and possibly ignited causing an explosion, Air compressors must be?
At least 5 ft above ground level.
The UNLOADING VALVE?
allows the air to escape from the compression chamber when there is a strain on the electrical motor.
The pressure in the air receiver is controlled by_______________. To adjust the pressure simply turn the switch in the desired direction.
the pressure switch
The AIR INTAKE VALVE is fitted with___________ that prevents dust from being drawn into the compression cylinder. If dust enters the compressor it may result in a fire inside the cylinder. The heat inside the cylinder can cause the dust to catch fire. A fire inside the cylinder may cause damage to the air compressor. For this reason it is important make sure that the air filter is clean and securely connected to the compressor.
an air filter
FILTER AND MOISTURE SEPARATOR ASSEMBLY (FMSA). The FMSA is installed _________________ It removes __________________ from the compressed air before it enters the air receiver. A drain cock is attached to the FMSA. It is used to drain the water and dirt from the FMSA.
between the air compressor and the air receiver.
moisture and dust
The air intake filter should be replaced?
Every six months
To clean an air compressor and it’s storage tanks use?
A soap and water solution.
A permit is required for any air compressor that compresses air at pressures above______________. The permit is issued by __________________
100 psi
The bureau of fire prevention
A permit is also required for any air compressor that has a total air receiver capacity of_______________. The permit is issued by________________
30 cubic ft or more
The bureau of fire prevention
The cooling system should be tested every?
Six months
The water supply valves should always be_______________ when the air compressor is in operation.
Open
The air intake filter should be inspected and cleaned?
Weekly
The level of lubricating oil should be checked _____________ using a _______________
Weekly
Dipstick
Lubricating oil should be replaced every?
Six months
The automatic low level indicator should be tested every _____________ it is tested by______________.
3 months
manually draining the oil out of the compressor while it running
Water builds up in the moisture assembly and the air receiver must be?
Drained daily
All safety valves should be manually operated_____________to ensure they will work incase of an emergency.
Every week
The air tank receiver must be tested every?
5 years
