SACA 209 PRETEST STUDY GUIDE
EXAM QUESTIONS AND ANSWERS 2026
VERIFIED.
Muffler - ANS Which of the following "mutes" noise?
When oil level in the lubricator is below the minimum level line - ANS When should oil be
added to a pneumatic lubricator
air pressure drops as air flows through the system - ANS Which of the following is the impact
of air friction resistance in a pneumatic system?
element - ANS Smaller dirt particles are removed from the air by the filter's __________.
Pilot line - ANS What does a dashed line in a pneumatic schematic represent?
By installing a quick exhaust valve on the cylinder output - ANS How can you increase the
piston speed of a cylinder?
back pressure - ANS When a double acting cylinder is extending or retracting, the cylinder
load includes the load to be moved, internal mechanical friction of the cylinder, and what other
factor?
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, minimum pressure - ANS What setting on a compressor pressure switch must be adjusted to
keep the compressor from constantly cycling?
pressure difference between two points in a pneumatic system - ANS Which of the following
best describes Delta P?
lubricator - ANS In a branch pneumatic circuit containing DCV's and cylinders, which of the
following should be placed upstream of all branch components?
supply line - ANS Which of the following connects the compressed air source to the control
devices?
Piston movement - ANS How is air compressed in a small compressor?
1 port - ANS The body of a single acting cylinder has __________.
O rings - ANS Which of the following is placed between the valve and ports on a subplate to
prevent leakage when installing the subplate?
pressure switch - ANS Which of the following automatically turns off an air compressor when
air is no longer needed in a system?
valves - ANS The control devices used in pneumatics are called __________.
there is a frequent need to connect and disconnect a hose - ANS Industry uses quick connect
fittings when __________.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 5
EXAM QUESTIONS AND ANSWERS 2026
VERIFIED.
Muffler - ANS Which of the following "mutes" noise?
When oil level in the lubricator is below the minimum level line - ANS When should oil be
added to a pneumatic lubricator
air pressure drops as air flows through the system - ANS Which of the following is the impact
of air friction resistance in a pneumatic system?
element - ANS Smaller dirt particles are removed from the air by the filter's __________.
Pilot line - ANS What does a dashed line in a pneumatic schematic represent?
By installing a quick exhaust valve on the cylinder output - ANS How can you increase the
piston speed of a cylinder?
back pressure - ANS When a double acting cylinder is extending or retracting, the cylinder
load includes the load to be moved, internal mechanical friction of the cylinder, and what other
factor?
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 5
, minimum pressure - ANS What setting on a compressor pressure switch must be adjusted to
keep the compressor from constantly cycling?
pressure difference between two points in a pneumatic system - ANS Which of the following
best describes Delta P?
lubricator - ANS In a branch pneumatic circuit containing DCV's and cylinders, which of the
following should be placed upstream of all branch components?
supply line - ANS Which of the following connects the compressed air source to the control
devices?
Piston movement - ANS How is air compressed in a small compressor?
1 port - ANS The body of a single acting cylinder has __________.
O rings - ANS Which of the following is placed between the valve and ports on a subplate to
prevent leakage when installing the subplate?
pressure switch - ANS Which of the following automatically turns off an air compressor when
air is no longer needed in a system?
valves - ANS The control devices used in pneumatics are called __________.
there is a frequent need to connect and disconnect a hose - ANS Industry uses quick connect
fittings when __________.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 5
