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WorksheetsFLUID CONDITIONING ELEMENT
Total questions: 26
Worksheet time: 14mins
The functions of air receiver is/are
Provide larger system capacity
Increases the cycle time
Dampens pulsations from reciprocating compressors
All of the mentioned
Which are the general selection criteria for compressors?
Pressure and Capacity
Compressor configuration and cylinder geometry
Both of the mentioned
None of the mentioned
What is/are the functions of drain line?
Allows removal of condensed water
Clean compressed air
Remove impurities from air
All of the mentioned
Which of the following factors is considered while selecting a compressor?
Type of oil filter required
Volumetric efficiency
Viscosity of the liquids used
All of the mentioned
Which types of contamination are present in a compressed air system?
Atmospheric dirt
Water vapour and condensed water
Micro-organisms
All of the mentioned
Why intercooler used in a multi-stage compressor?
Reduce the temperature of compressed air
Reduce the pressure of compressed air
Both of the mentioned
None of the mentioned
In most plants, why the air compressor is positioned at a distance away from the main shop and installation area?
Due to noise problem
For machine safety and transmission of vibration to other
To maintain the pressure drop from the generating point to the point of consumption
All of the mentioned
What is/are the function of the air filter?
To remove foreign matter and enable clean
To condense and remove water from the air
To arrest fine particles and all solid contaminants in the air
All of the mentioned
The fine mesh wire cloth filter used for
To strain heavy foreign particles
To remove very small particles
Both of the mentioned
None of the mentioned
The synthetic material filter used for
To strain heavy foreign particles
To remove very small particles
Both of the mentioned
None of the mentioned
The air lubricator used to
Reduce wear on moving parts
Reduce frictional losses
Protect equipment from corrosion
All of the mentioned
In a pressure regulator the opening of the valve ______ proportional to the compression of the spring.
Directly
Inversely
Not
None of the mentioned
Which is/are factors affecting the selection of filters?
Size of particles to be filtered from the system
The capacity of the filter
Accessibility and maintainability
All of the mentioned
The function of the baffle plate is
To prevents turbulent air from splashing water onto the filter element
To provide air from splashing water onto the filter element
Both of the mentioned
None of the mentioned
Filters can block the particles of________.
Less than 1 μm
1 to 25 μm
25 to 150 μm
Greater than 150 μm
The filter cartridge is made of
Sintered brass
Bronze
Aluminium
Copper
The air entering the filter swirls around due to the
Filter cartridge
Deflector cone
Baffle plate
Drain plug
What is FRL ?
Filler, Regulator and Lubricator
Filter, Regulator and Liner
Filter, Regulator and Lubricator
Filter, Receiver and Lubricator
Air lines are usually lubricated to
avoid increasing pressure too much
reduce internal leaks and wear
create minimal air line flow
transport air contaminants and dirt
Select the correct order of process occurring in pneumatic system
Name the following symbol?
Filter
Regulator
Lubricator
Muffler
Name the following symbol?
Filter
Regulator
Lubricator
Muffler
Name the following symbol?
Filter
Regulator
Lubricator
Muffler
Name the following symbol?
Filter
Regulator
Lubricator
Muffler
FRL Unit is called as ----------
(a)
Name the following symbol?
Air Filter
Air Regulator
Air Lubricator
Air Dryer
