Rotary Vane Vacuum Pump

Vacuum Pump is only available in positive displacement type of pump.

• True

• False

Which one of the following readings indicates the highest vacuum?

• 1.013 Bar

• 10.13 Bar

• 1013 mBar

• 10.13 mBar

The vane of most oil-less rotary vane vacuum pump is made of

• carbon

• rubber

• carbon steel

• stainless steel

Which one of the following parts is NOT found in rotary vane vacuum pump?

• Coupling

• Filter

• Rotor

• Silencer

Perfect vacuum can be achieved by any vacuum pump found in the industry.

• True

• False

Vacuum technology is NOT applicable to lifting technology.

• True

• False

Vacuum can be measured in units such as 'inHg', 'mmHg', 'Bar', 'Torr' and 'atm'

• True

• False

Viewing from the front, the correct direction of the pump rotation should be

• clockwise

• anti-clockwise

Refer to Figure. Identify the part indicated with an arrow.

• Air filter

• Air Lubricator

• Vacuum Relief Valve

• Pressure Relief Valve

What causes the vanes of the rotary vacuum vane pump to remain in contact with the housing?

• Air pressure

• Vacuum force

• Spring force

• Centrifugal force