Pneumatics Flashcards
Air leaving the exhaust port of a direction control valve is vented where?
It is vented to the atmosphere
What is the output torque of a pneumatic motor directly too?
It is directly related to air pressure
The best location for a pressure regulating valve in a pneumatic system is?
As near as possible to operating equipment
Maximum system pressure is controlled by which of the following?
The compressor controls the pressure and the regulator regulates the pressure from the compressor
A pneumatic system teat is operated with excess airflow will usually be indicated by?
Fast operating cycles
What causes major problems for air dryers used on pneumatic systems?
Oil and dirt in the air causes major problems
Most air dryers are regenerated by what?
Heating the drying agent
What is the principle that cyclones operate on?
The operate on centrifugal forces
If air contains 50% moisture what is the relative humidity?
50%
Adsoption is what type of dryer?
It is a desiccant type of dryer and most common type of media is activated alumina and can be regenerated with using 10-15% of the dry air
Adsorption is what type of dryer?
They are chemical dryers (deliquescent) also known as solid dehydration dryers and can not be regenerated. The most common type of media is calcium chloride, also various salts
On vaccuum systems you should allow for what percentage of loss in seal friction?
5-10% approx. 2” HG
