Basics of Vacuum Systems

The advantage of a vacuum gauge over other vacuum measuring devices is ___.

• The needle runs backward

• It can withstand pressures above atmospheric without damage

• The total vacuum region covers the entire gauge of the face

• It does not have to be leveled

Vacuum pressures can be expressed in ___.

• Psia/kPa absolute

• BTUs

• Ounces/Ft

• RPM

To increase the holding force of a vacuum gripper ___.

• Increase the gripper size

• Decrease the vacuum level

• Remove any cup reinforcement to retain cup size and surface area

• All the answers are correct

In pneumatics any pressure below atmospheric is called a ___.

• Vacuum

• Partial Vacuum

• Vacuum Pressure

• All of the answers are correct

For laminar flow, pressure drops in the throat of the Venturi in accordance with ___.

• Pascal's Law

• Torricelli's Scale

• Law of Averages

• Bernoulli's Law

The advantage vacuum pumps have over vacuum generators is ___.

• Cost

• Size

• Capacity

• Easier maintenance

The well-type manometer uses a (n) ___ scale.

• Inclined

• Vertical

• Horizontal

• Curved

A ___is a vacuum cup, a Venturi or vacuum generator, check valve, and a muffler in one unit.

• Vacuum lifter

• Vacuum hoist

• Pressure hoist

• Pressure lifter

Vacuums are measured with a ___.

• Vacuum Transducer

• Venturi

• Manometer

• Vacuum Cup

Industry uses vacuums to ___.

• Lift heavy loads

• Form thin materials

• Stamp sheet metal

• Drill thin materials