HYDRAULIC AND PNEUMATICS TEST
QUESTIONS WITH CERTIFIED
ANSWERS
The fluid power devices that convert the energy of a pressurized fluid into mechanical
energy to do work are called what? - Answer-Actuators
According to the relationship between force, pressure and area, the force may be
calculated using what formula? - Answer-F=P*A
Fluid pressure gauges commonly measure pressure? - Answer-Above atmospheric
pressure.
The pressure at sea level is called? - Answer-Atmospheric pressure.
The annular area (A sub a) of a cylinder corresponds to? - Answer-The face area minus
the rod area.
A 3-way, 2-position directional control value cannot be used to? - Answer-Adjust
pressure in two branch circuits.
A 3-way, 2-position directional control value? - Answer-Can be spring return.
A 3-way, 2-position directional control value can have? - Answer-Two envelopes and
three fluid ports.
What is the purpose of an intensifier? - Answer-To produce a high pressure form a low
pressure source.
Which of the following determines the pressure multiplication possible with an
intensifier? - Answer-The ratio of areas.
How can two cylinders can be synchronized? - Answer-Connecting them in series.
The low pressure side of an intensifier is called? - Answer-Master cylinder.
If two cylinders connected in series are of the same size and stroke, the downstream
cylinder will extend. - Answer-Slower.
When calculating the total piston area for the rod end of a cylinder? - Answer-The rod
area must be subtracted from the piston area.
QUESTIONS WITH CERTIFIED
ANSWERS
The fluid power devices that convert the energy of a pressurized fluid into mechanical
energy to do work are called what? - Answer-Actuators
According to the relationship between force, pressure and area, the force may be
calculated using what formula? - Answer-F=P*A
Fluid pressure gauges commonly measure pressure? - Answer-Above atmospheric
pressure.
The pressure at sea level is called? - Answer-Atmospheric pressure.
The annular area (A sub a) of a cylinder corresponds to? - Answer-The face area minus
the rod area.
A 3-way, 2-position directional control value cannot be used to? - Answer-Adjust
pressure in two branch circuits.
A 3-way, 2-position directional control value? - Answer-Can be spring return.
A 3-way, 2-position directional control value can have? - Answer-Two envelopes and
three fluid ports.
What is the purpose of an intensifier? - Answer-To produce a high pressure form a low
pressure source.
Which of the following determines the pressure multiplication possible with an
intensifier? - Answer-The ratio of areas.
How can two cylinders can be synchronized? - Answer-Connecting them in series.
The low pressure side of an intensifier is called? - Answer-Master cylinder.
If two cylinders connected in series are of the same size and stroke, the downstream
cylinder will extend. - Answer-Slower.
When calculating the total piston area for the rod end of a cylinder? - Answer-The rod
area must be subtracted from the piston area.
