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